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Instruction Manual
NDIR TYPE
INFRARED GAS
ANALYZER
TYPE: ZKJ-2
INZ-TN2ZKJ-E
PREFACE
We are grateful for your purchase of Fuji Electric’s Infrared Gas Analyzer, TYPE:ZKJ.
• First read this instruction manual carefully until an adequate understanding is acquired, and then proceed to installation, operation and maintenance of the analyzer. Wrong handling may cause an accident or injury.
• The specifications of this analyzer are subject to change without prior notice for further product improvement.
• Modification of this analyzer is strictly prohibited unless a written approval is obtained from the manufacturer. Fuji Electric will not bear any responsibility for a trouble caused by such a modification.
• This instruction manual shall be stored by the person who actually uses the analyzer.
• After reading the manual, be sure to store it at a place easier to access.
• This instruction manual should be delivered to the end user without fail.
Manufacturer:
Type:
Fuji Electric Instruments Co., Ltd.
Described in Fuji Electric’s company nameplate on main frame
Date of manufacture: Described in Fuji Electric’s company nameplate on main frame
Product nationality: Japan
Delivered Items
Name
Analyzer main frame
Input/Output terminal module
Connection cable
Power cable
Fuse
Cell window mounting tool
Slide rail
Instruction manual
Quantity
1
1
1
1
2
1
2
1
Remarks
250V AC/3A delay type
With mounting block cell
Option
Request
• It is prohibited to transfer part or all of this manual without Fuji
Electric’s permission in written format.
• Description in this manual is subject to change without prior notice for further improvement.
© Fuji Electric Instruments Co., Ltd. 2001
Issued in September, 2001
INZ-TN2ZKJ-E i
ii
CAUTION ON SAFETY
First of all, read this “Caution on safety” carefully, and then use the analyzer in the correct way.
• The cautionary descriptions listed here contain important information about safety, so they should always be observed. Those safety precautions are ranked in 3 levels, “DANGER”, “CAUTION” and
“PROHIBITION”.
DANGER
CAUTION
PROHIBITION
Wrong handling may cause a dangerous situation, in which there is a risk of death or heavy injury.
Wrong handling may invite a dangerous situation, in which there is a possibility of medium-level trouble or slight injury or only physical damage is predictable.
Items which must not be done are noted.
Caution on installation and transport of gas analyzer
DANGER
• This unit is not explosion-proof type. Do not use it in a place with explosive gases to prevent explosion, fire or other serious accidents.
CAUTION
• For installation, observe the rule on it given in the instruction manual and select a place where the weight of gas analyzer can be endured.
Installation at an unsuited place may cause turnover or fall and there is a risk of injury.
• For lifting the gas analyzer, be sure to wear protective gloves.
Bare hands may invite an injury.
• Before transport, fix the casing so that it will not open. Otherwise, the casing may be separated and fall to cause an injury.
• The gas analyzer is heavy. It should be transported carefully by two or more persons if manually required.
Otherwise, body may be damaged or injured.
• During installation work, care should be taken to keep the unit free from cable chips or other foreign objects. Otherwise, it may cause fire, trouble or malfunction of the unit.
INZ-TN2ZKJ-E
INZ-TN2ZKJ-E
DANGER
CAUTION
DANGER
CAUTION
Caution on piping
In piping, the following precautions should be observed.
Wrong piping may cause gas leakage.
If the leaking gas contains a toxic component, there is a risk of serious accident being induced.
Also, if combustible gas is contained, there is a danger of explosion, fire or the like occurring.
• Connect pipes correctly referring to the instruction manual.
• Exhaust should be led outdoors so that it will not remain in the locker and installation room.
• Exhaust from the analyzer should be relieved in the atmospheric air in order that an unnecessary pressure will not be applied to the analyzer. Otherwise, any pipe in the analyzer may be disconnected to cause gas leakage.
• For piping, use a pipe and a pressure reducing valve to which oil and grease are not adhering. If such a material is adhering, a fire or the like accident may be caused.
Caution on wiring
• Wiring work must be performed with the main power set to
OFF to prevent electric shocks.
• Enforce construction of class-D grounding wire by all means.
If the specified grounding construction is neglected, a shock hazard or fault may be caused.
• Wires should be the proper one meeting the ratings of this instrument. If using a wire which cannot endure the ratings, a fire may occur.
• Be sure to use a power supply of correct rating. Connection of power supply of incorrect rating may cause fire.
Caution on use
• For correct handling of calibration gas or other reference gases, carefully read their instruction manuals beforehand.
• Before leaving unused for a long time or restarting after left at such a status for an extended length of time, follow the directions of each instruction manual because they are different from normal starting or shutdown. Otherwise, the performance may be poor and accidents or injuries may be caused.
• Do not operate the analyzer for a long time with its door left open. Otherwise, dust, foreign matter, etc. may stick on internal walls, thereby causing faults.
iii
iv
PROHIBITION
Caution on use
• Do not allow metal, finger or others to touch the input/output terminals in the instrument. Otherwise, shock hazard or injury may occur.
• Do not smoke nor use a flame near the gas analyzer. Otherwise, a fire may be caused.
• Do not allow water to go into the gas analyzer. Otherwise, hazard shock or fire in the instrument may be caused.
DANGER
CAUTION
Caution on maintenance and check
• When doors are open during maintenance or inspection, be sure to purge sufficiently the inside of the gas analyzer as well as the measuring gas line with nitrogen or air, in order to prevent poisoning, fire or explosion due to gas leak.
Be sure to observe the following for safe operation avoiding the shock hazard and injury.
• Remove the watch and other metallic objects before work.
• Do not touch the instrument wet-handed.
• If the fuse is blown, eliminate the cause, and then replace it with the one of the same capacity and type as before. Otherwise, shock hazard or fault may be caused.
• Do not use a replacement part other than specified by the instrument maker. Otherwise, adequate performance will not be provided. Besides, an accident or fault may be caused.
• Replacement parts such as a maintenance part should be disposed of as incombustibles.
CAUTION
Others
• If the cause of any fault cannot be determined despite reference to the instruction manual, be sure to contact your dealer or Fuji
Electric’s technician in charge of adjustment. If the instrument is disassembled carelessly, you may have a shock hazard or injury.
INZ-TN2ZKJ-E
CONTENTS
NAME AND DESCRIPTION OF EACH UNIT ............................................. 2-1
Installation of analyzer main frame ............................................................ 3-2
Mounting input/output terminal module .................................................... 3-3
Example configuration of gas sampling system ......................................... 3-8
DESCRIPTION OF DISPLAY AND OPERATION PANELS ....................... 5-1
SETTING AND CALIBRATION .................................................................... 6-1
INZ-TN2ZKJ-E v
vi
Setting of auto calibration component ........................................................ 6-8
Forced stop of auto zero calibration ......................................................... 6-19
Cleaning method for sample cell (pipe cell)............................................... 7-2
Cleaning method for sample cell (block cell)............................................. 7-4
Optical zero adjustment method (optical balance adjustment)................... 7-6
Moisture interference compensation adjustment method ........................... 7-7
Replacement of fuse on analyzer unit ........................................................ 7-8
8 TROUBLE SHOOTING FOR ANALYZER....................................................... 8-1
INZ-TN2ZKJ-E
1. OVERVIEW
This infrared gas analyzer (type: ZKJ) measures the concentration of NO, SO
2
, CO
2
, CO and CH
4 contained in sampling gas on the principle that different atomic molecules have an absorption spectrum in the wave band of infrared rays, and the intensity of absorption is determined by the Lambert-Beer law.
Since this instrument incorporates a compact paramagnetic O
2
sensor, it allows measuring up to 5 components simultaneously by using the built-in O
2
sensor (up to 4 components if O
2
sensor is excluded).
Furthermore, use of a microprocessor or large sized liquid crystal display realizes improvement of operability, accuracy and multi-functions.
This instrument is optimum for measuring combustible gas exhausted from boilers or incinerators, and it is effective for steel gas analysis (blast furnace, steel converter, thermal treatment furnace, sintering
(Pellet equipment), coke furnace), storage and maturity of vegetable and fruit, biochemistry (microbe),
[fermentation], air pollution [incinerator, exhaust gas desulfurization, denitration], automotive emission
(excluding tester), protection against disasters [detection of explosive gas and toxic gas, combustion gas analysis of new building material], growth of plants, chemical analysis [petroleum refinery plant, petroleum chemistry plant, gas generation plant], environment [landing concentration, tunnel concentration, parking lot, building management] and various physical and chemical experiments.
INZ-TN2ZKJ-E
1 - 1
2. NAME AND DESCRIPTION OF EACH UNIT
2.1 Name and description of main unit
POWER
DISPLAY
〈 Rear panel 〉
Fig. 2-1 q
Name
Handle
Description
Used for withdrawing the main unit from the panel.
w Power switch e Switch for back light
Used for ON/OFF the analyzer.
Used for ON/OFF the back light of display.
r Display/operation panel t Sampling gas inlet
Liquid crysral diaplay and keys for setting various functions
For connecting to the measuring gas tube y Sampling gas outlet
Connect to the exhaust line. (A pair of sampling gas inlet/outlet is provided for each measuring unit. When ordered with purge, the piping to measuring unit 2 is built inside. In this case, the sample gas outlet for measuring unit 2 is used for purge gas inlet.) u
Name
Sector motor
Description
For driving the rotation of sector i Light source cover Infrared light source is arranged in the cover.
o Input/output terminal connector For connecting to the external input/output terminal module
!0
Power inlet
For connecting the power cable
INZ-TN2ZKJ-E
2 - 1
2.2 Input/Output terminal module
This analyzer provides input/output of various signals from the supplied input/outpt terminal module by connecting the instrument to this module.
Fig. 2-2 q
Name
Mounting hole w Input/output terminal block
(TN 1 to TN 5)
Description
Used for mounting input/output terminal module.
φ
4.5, 6 places
Name e Calibration solenoid valve drive signal output connector
Input/output terminal for signals of analog output, range identification contact, alarm contact output, etc.
r Input/output terminal module connection cable
Description
Provides outputs of solenoid valve drive signal during auto calibration.
Transistor output
(5V, 50mA, 1 contact)
Used for connecting the analyzer main unit to the input/output terminal module.
t Communication connector
Connect communication cable.
*Please refer to another manual
(INZ-TN513327-E) about communication function.
2 - 2
INZ-TN2ZKJ-E
3. INSTALLATION
DANGER
This unit is not explosion-proof type. Do not use it in a place with explosive gases to prevent explosion, fire or other serious accidents.
CAUTION
• Entrust the installation, movement or re-installation to a specialist or the supplier. A poor installation may cause accidental tipover, shock hazard, fire, injury, etc.
• The gas analyzer is heavy. It should be installed with utmost care. Otherwise, it may tip over or drop, for example, causing accident or injury.
• For lifting the gas analyzer, be sure to wear protective gloves. Bare hands may invite an injury.
• This unit should be installed in a place which conforms to the conditions noted in the instruction manual. Otherwise, it may cause electric shocks, fire or malfunction of the unit.
• During installation work, care should be taken to keep the unit free from entry of cable chips or other foreign objects. Otherwise, it may cause fire, trouble or malfunction of the unit.
INZ-TN2ZKJ-E
3 - 1
3.1 Installation
3.1.1 Installation of analyzer main frame
Installation methods for the analyzer main unit are divided into 2 types;
Type
19 inch rack mounting guide rail method
External dimensions Mounting dimensions Mounting method
19 inch rack mounting slide rail method
429
483
M6
450 or more
465
Slide rail
(Supports mass)
Slide rail
(Supports mass)
Note 1 Check and maintenance of the analyzer main unit may be carried out with the top cover detached.
The guide rail method may be used if a space accessible for maintenance is provided at the top of the main unit. If maintenance space is not provided specially, it is recommended to use the slide rail method.
Recommended slide rail: Product No.: 305A-24 manufactured by Accuride International Co.
Note 2 For 19 inch rack mounting, the weight of the analyzer is supported with the bottom of the case
(with the side of the case in case of slide rail method). For mounting dimensions of the slide rail, see “Item 9.3 External diagram”.
Don’t install the analyzer at a place which is exposed to direct sunlight.
The analyzer should be installed at a place where ambient temperature is within 0 to 40
°
C, and temperature fluctuation during use is minimum.
3 - 2
INZ-TN2ZKJ-E
3.1.2 Mounting input/output terminal module
Mount the input/output terminal module on the panel; observing the following method.
(Note) To avoid the effect of noise generated from external units, mount the I/O terminal module mounting plate on the panel for continuity at the mounting surface and connect the panel to the same ground as the analyzer main unit.
External dimensions Mounting dimensions Mounting method
Panel plate
4.5 mounting hole (x 6 places) M4 screw
150 150
Terminal
Connection cable
316 302
Cut a hole at 6 places.
Drill a 302 x 142 rectangular hole in the center.
To analyzer rear panel
Screwed to panel
Note) How to ground analyzer main unit and I/O terminal module
To avoid the effect of noises, etc. from external units, it is recommended to ground them by the procedure described below.
Bring I/O terminal module sheet metal and panel into continuity at ///// portion.
Bring analyzer main unit and panel into continuity at ///// portion or rail mounting portion.
(No grounding is required at the power terminal).
Mount the analyzer and I/O terminal module on the same panel.
Ground the panel casing.
INZ-TN2ZKJ-E
* Don’t separate the analyzer and I/O terminal module, and be sure to
ground them together.
3 - 3
3.2 Piping
Piping should be connected to the gas inlets and outlets of the front panel of the analyzer.
•
Use a corrosion resistant tube of Teflon, stainless or polyethylene to connect the instrument to a sampling system. Even if there is a danger of corrosion, refrain from using a tube of rubber or soft vinyl. The instrument provides inaccurate indication due to gas absorption by piping materials.
•
Pipe connection port is Rc1/4 female thread (or NPT1/4). Piping should be cut as short as possible for a quick response. About 4 mm inner diameter is recommended.
•
Entry of dust into the instrument may result in defective operation. Use a clean piping or coupling.
Connect the gas tube by the following method.
Sampling gas outlet
For measuring unit 1
Sampling gas inlet
Sampling gas inlet
Sampling gas outlet
(Purge gas inlet)
For measuring unit 2
Sampling gas inlet: Attach the gas tube to introduce gas to be measured such as one that has completed dehumidification process and standard gases for zero and span calibration to this inlet.
Gas flow to be introduced should be constant within the range of 0.5 L/min
±
0.2 L/min.
Sampling gas outlet: Exhaust measured gas through the outlet. Attach the tube to exhaust measured gas outdoors or to the atmosphere.
Purge gas inlet: It is used for purging the inside of the total gas analyzer . When the analyzer must be purged, refer to Item 3.3.4 Purging of instrument inside.
Use dry gas N
2
or instrumentation air for purge gas. (flow rate of 1L/min or more should be used and no dust or mist is contained).
3 - 4
INZ-TN2ZKJ-E
Internal piping diagram
Measuring unit 2
Measuring unit 1
Built-in
O
2
sensor
Sampling cell
Note)
2 cells may be used by combination of range.
OUTLET INLET OUTLET INLET
Sampling gas inlet
Sampling gas outlet
Sampling gas inlet
Sampling gas outlet
For measuring unit 2
For measuring unit 1
Note) When the purge gas inlet is provided, the piping to measuring unit 2 is built inside.
Correspondence of measured components and measuring units
Measuring components
1-component meter for
NO, SO
2
, CO
2
, CO and
CH
4
2-component meter for
NO/SO
2
and CO
2
/CO
2-component meter for
NO/CO
3-component meter for
NO/SO
2
/CO
4-component meter for
NO/SO
2
/CO
2
/CO
Measuring unit 1
Each component
NO/SO
2
CO
2
/CO
NO
NO/SO
2
NO/SO
2
Measuring unit 2
None
None
CO
CO
CO
2
/CO
Note) When the built-in O
2
sensor is provided, it must be connected to the measuring unit 1.
INZ-TN2ZKJ-E
3 - 5
Example of connecting each measuring unit
• One pair of gas inlet/outlet
Sampling gas
Filter
Flow meter
0.5L/min
ZKJ
Sampling gas inlet
Sampling gas outlet
Exhaust
Release to atmosphere.
• Two pair of gas inlet/outlet - (1)
Sampling gas
NO
2
/NO converter
Filter
Flow meter
0.5L/min
Filter
Flow meter
0.5L/min
ZKJ
Sampling gas inlet
Sampling gas outlet
For measuring unit 1
Sampling gas inlet
Sampling gas outlet
For measuring unit 2
Note) The NO
2
/NO converter is used when NO measurement is used for NOx measurement.
Exhaust
Release to atmosphere.
• Two pair of gas inlet/outlet - (2)
Sampling gas
Filter
Flow meter
0.5L/min
NO
2
/NO converter
Filter
ZKJ
Sampling gas inlet
Sampling gas outlet
For measuring unit 1
Sampling gas inlet
Sampling gas outlet
For measuring unit 2
3 - 6
Note) The NO
2
/NO converter is used when NO measurement is used for NOx measurement.
Exhaust
Release to atmosphere.
INZ-TN2ZKJ-E
3.3 Sampling
3.3.1 Conditions of sampling gas q Dust contained in the sampling gas should be completely removed with a filter. For the final stage filter, use a filter that allows removing dust particles of 0.3
µ m.
w Dew point of sampling gas must be lower than the ambient temperature to avoid occurrence of drain in the gas analyzer. If vapor is contained in the sampling gas, dew point should be lowered to 0
°
C by using a dehumidifier.
e If SO
3
mist is contained in the sampling gas, use a mist filter or cooler to remove SO
3 mist.
Other mists should be removed by using a mist filter or cooler.
r Corrosive gases such as Cl
2
, F
2
and HCl, if they are contained in the sampling gas in considerable amounts, will shorten the life of instruments.
t Temperature of sampling gas should be within 0 to 50
°
C. Provide a means that prevents entry of hot gas directly into the instrument.
3.3.2 Sampling gas flow
Flow of sampling gas should be 0.5L/min
±
0.2L/min.
Avoid flow fluctuation during measurement.
Observe the flow reading by a flowmeter provided as shown in the example of the sampling system configuration (Item 3.3.6).
3.3.3 Preparation of standard gas
Routine calibration is required by standard gas for keeping this instrument under normal operation condition (once a week). Prepare a standard gas cylinder for zero calibration and span calibration.
Zero gas
Analyzer without O
2 measurement
N
2 gas
Analyzer with builtin O
2 sensor
N
2
gas
Analyzer with external zirconia O
2 sensor
Dry air or atmospheric air (Eliminated with CO
2
provided)
Span gas other than for O
2 measurement
Span gas for O
2 measurement
Gas with concentration of 90% or more of full scale
Gas with concentration of 90% or more of full scale
Gas with concentration of 90% or more of full scale
Gas with concentration of 90% or more of full scale
1 to 2% O
2
3.3.4 Purging of instrument inside
The inside of instrument need not be purged generally except for the following cases.
q A combustible gas component is contained in sample gas.
w Corrosive gas is contained in the atmospheric air at the installation site.
e The same gas as the sample gas component is contained in the atmospheric air at the installation site.
In such cases as above, the inside of analyzer should be purged with the air for instrumentation or N
2
.
Purging flow rate should be about 1L/min.
If dust or mist is contained in purging gas, it should be eliminated completely in advance.
INZ-TN2ZKJ-E
3 - 7
3.3.5 Pressure at sampling gas outlet
Pressure at the sampling gas outlet should be adjusted to atmospheric pressure.
3.3.6 Example configuration of gas sampling system
The following illustrates a typical system configuration for five component gas measurement for monitoring combustion exhaust gas from boiler, refuse incinerator, etc.
Contact Fuji Electric for system configuration matching the particular use or further information.
q w
Name
Gas extractor
Gas conditioner e Gas aspirator r Electronic gas cooler t Solenoid valve y Membrane filter
Description
Gas extractor with a heating type stainless steel filter of standard mesh 40
µ m
For separation of drain, prevention of drain from being sucked through secondary filter and composite operation of constant-pressure bubbler
For aspiration of sample gas
Dries the moisture in sample gas to a dew point of approx.
2
°
C.
Used for introducing calibration gas.
PTFE filter used to eliminate fine dust particles and permit monitoring of dust adhering condition on the front panel of the gas analyzer.
u i
Name
Flowmeter
Standard gas o Zirconia O
2
sensor
!0
NO
2
/NO converter
Description
Adjusts and monitors the flow rate of sample gas.
Reference gas used for calibrating zero and span of the analyzer. Total 6 cylinders required for zero gas air, span gas NO,
SO
2
, CO, CO
2
and O
2
.
External zirconia oxygen sensor used for measuring the oxygen concentration (0 to
25%) in sample gas.
(This is not necessary in case when O
2
sensor is built-in.)
Added to NOx analyzer.
A special catalyst material for efficient conversion of NO
2 gas to NO is used.
3 - 8
INZ-TN2ZKJ-E
3.4 Wiring
3.4.1 Power inlet
The power inlet is provided at the rear panel.
Connect supplied power cable to this power inlet (Commercial power of 85V AC to 264V AC is available).
Rear panel
Power inlet
Input/output terminal connector
Grounding 2-pole plug
When noise source is in the vicinity
•
Avoid installing this instrument near an electrical unit (high frequency furnace or electric welder) that generates much electrical noise. If using the instrument near such a noise generating unit is unavoidable, use a different power line to avoid noise.
Main unit power supply
Varistor or spark killer
•
Mount a noise suppressor such as varister (ENA211-2 by
Fuji Elctric) or spark killer (S1202 by OKAYA) to the noise generating unit when noise is generated from relays or solenoid valves.
Mount the suppressor near the noise generating source, or it will have no effect.
Install (connect) near the source.
Noise generating source
3.4.2 Input/output terminal module
This analyzer should be connected to the input/output terminal module by supplied exclusive cable.
Plug this cable connector into the receptacle at the rear panel of the analyzer and the receptacle on the PC board of the input/output module.
INZ-TN2ZKJ-E
Analyzer Exclusive cable
(1 meter long)
Input/output terminal module
3 - 9
(1) Analog output signal (AO): terminal block 1 q to @0 , terminal block 2 e to y
Output signal: 4 to 20 mADC or 0 to 1 VDC (selected when ordering)
Non-insulated output
Allowable load: 4 to 20 mADC, 550
Ω
or less
0 to 1 VDC, 100k
Ω
or less
•
Analog output is provided from each terminal corresponding to the channel displayed in the measurement screen.
All of analog output signals for the instrument are not isolated. It is recommended to isolate signals individually to prevent interference from unnecessary signals or to prevent external interference.
(2) O
2
sensor input: terminal block 2 q – w
Input signal:
External zirconia O
2
analyzer: Zirconia O
2
External O
2
analyzer:
sensor signal (Fuji ZFK7 output)
0 to 1 VDC (DC input resistor of 1M
Ω
or more)
•
It is used when the external zirconia O
2
analyzer or external O
2
analyzer is specified as order.
•
To connect to the output of the external Zirconia analyzer or external O
2
analyzer prepared separately.
•
In case of an external O
2
analyzer, input a signal of 0 to 1 VDC with respect to O
2
full scale of the analyzer.
•
In case of built-in O
2
analyzer, do not use the terminals.
O
2
sensor input is not isolated. It is recommended to isolate when an external O
2
analyzer is installed apart from this analyzer.
(3) Contact input (DI): terminal block 2 !1 to @0 , terminal block 3 t to !0
•
It is for a contact input at no voltage. An input is provided when switching to short circuit
(on) or open (off).
•
No voltage is applied to the terminals.
(4) Contact output (DO): terminal block 3 !1
to @0 , terminal block 4 and terminal block 5
•
Contact rating: 250VAC/2A, load resistance
•
An output is for a relay contact output. An output is provided when switching to conductive
(on) or open (off).
Wiring of analog output signal, O
2
sensor input and contact input should be fixed separately from the wiring of power supply and contact output.
Note) To avoid the effect of noise generated from external units, be sure to ground the analyzer main unit. Continue between the I/O module mounting plate and the panel and connect the panel casing to the same ground as the analyzer.
3 - 10
INZ-TN2ZKJ-E
(5) List of terminal blocks
Terminal block 1
<TN1>
CH5 output –
(CH5_OUT) +
1
2
11
12
–
+
CH10 output
(CH10_OUT)
CH4 output
(CH4_OUT)
–
+
3
4
13
14
–
+
CH9 output
(CH9_OUT)
CH3 output
(CH3_OUT)
–
+
5 15
–
+
CH8 output
(CH8_OUT)
6
7
16
17 CH2 output
(CH2_OUT)
–
+
–
+
CH7 output
(CH7_OUT)
8 18
CH1 output
(CH1_OUT)
–
+
9 19
10 20
(M3.5 screw)
–
+
CH6 output
(CH6_OUT)
Unassigned
Terminal block 3
<TN3>
1 11 CH5 range identification contact output (RNG_IDCH5)
2 12
Unassigned
3
4
13
14
CH4 range identification contact output (RNG_IDCH4)
Remote hold input
(R_HOLD)
Average value reset
input (RESET)
Auto calibration
remote start
input (R_CAL)
7
8
5
6
9
15
16
17
18
19
10 20
(M3.5 screw)
CH3 range identification contact output (RNG_IDCH3)
CH2 range identification contact output (RNG_IDCH2)
CH1 range identification contact output (RNG_IDCH1)
Note 1
O
2
sensor input
(O
2
_IN)
Terminal block 2
<TN2>
–
+
1
2
11
12
CH5 remote range changeover input
(R_RNG_CH5)
CH12 output
(CH12_OUT)
CH11 output
(CH11_OUT)
3
4
5
13
14
15
CH4 remote range changeover input
(R_RNG_CH4)
CH3 remote range changeover input
(R_RNG_CH3) 6 16
Unassigned
Unassigned
7
8
9
17
18
19
CH2 remote range changeover input
(R_RNG_CH2)
CH1 remote range changeover input
(R_RNG_CH1) 10 20
(M3.5 screw)
Note 1 : For external O
2
sensor input.
Peak count alarm output (PEAK_ALM)
Terminal block 4
<TN4>
1 11
2 12
Unassigned
Auto calibration status/ maintenance status contact output (ACAL/MNT)
3
4
13
14
Unassigned
Pump ON/OFF
contact output (PUMP)
Calibration error contact output
(CAL_ALM)
Instrument error contact output
(FAULT)
7
8
5
6
9
15
16
17
18
19
10 20
(M3.5 screw)
Unassigned
Unassigned
Unassigned
Unassigned
Terminal block 5
<TN5>
1 11 Unassigned
CH3 alarm output
(ALM_CH3)
CH2 alarm output
(ALM_CH2)
CH1 alarm output
(ALM_CH1)
4
5
2
3
6
7
8
17
18
9 19
10 20
(M3.5 screw)
12
13
14
15
16
Power disconnection alarm output
(POWER_OFF)
CH5 alarm output
(ALM_CH5)
CH4 alarm output
(ALM_CH4)
Connector
<CN3>
Solenoid valve drive signal output for calibration
(Transister output)
Contact output for sample gas selection
1
2
Contact output for zero calibration
3
Contact output for CH1 span calibration
4
Contact output for CH2 span calibration
5
6
7
8
Contact output for CH3 span calibration
Contact output for CH4 span calibration
Contact output for CH5 span calibration
9 5V DC relay drive power
<D-sub 9P>
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3 - 11
(6) Description on terminal block
Terminal block 1
<TN1>
CH5 output –
(CH5_OUT) +
1
2
11
12
–
+
CH10 output
(CH10_OUT)
CH4 output
(CH4_OUT)
–
+
CH3 output
(CH3_OUT)
–
+
CH2 output
(CH2_OUT)
–
+
CH1 output
(CH1_OUT)
–
+
3
4
13
14
–
+
CH9 output
(CH9_OUT)
5 15
–
+
CH8 output
(CH8_OUT)
6
7
16
17
–
+
CH7 output
(CH7_OUT)
8
9
18
19
10 20
(M3.5 screw)
–
+
CH6 output
(CH6_OUT)
Note 1
O
2
sensor input
(O
2
_IN)
Terminal block 2
<TN2>
–
+
1
2
11
12
CH5 remote range changeover input
(R_RNG_CH5)
CH12 output
(CH12_OUT)
CH11 output
(CH11_OUT)
Unassigned
Unassigned
8
9
6
7
3
4
5
13
14
15
16
17
18
19
CH4 remote range changeover input
(R_RNG_CH4)
CH3 remote range changeover input
(R_RNG_CH3)
CH2 remote range changeover input
(R_RNG_CH2)
CH1 remote range changeover input
(R_RNG_CH1) 10 20
(M3.5 screw)
Note 1: For external O
2
sensor input.
3 - 12
Terminal block 2 <TN2>
Terminal block for analog output (non-isolated output)
Between 1–2:
Between 3–4:
Between 5–6:
Between 7–8:
CH5 output
CH4 output
CH3output
CH2 output
Between 9–10: CH1 output
Between 11–12: CH10 output
Between 13–14: CH9 output
Between 15–16: CH8 output
Between 17–18: CH7 output
Between 19–20: CH6 output
Terminal block 2 <TN2>
Between 1–2:
Between 3–4:
O
2
sensor input
(For input of Fuji’s zirconia oxygen sensor and externally oxygen sensor. Must not be used unless external O
2
sensor is provided.)
CH12 output
Between 5–6:
Between 7–10
CH11 output
For internal connection. Must not be wired. (Must not be used as junction terminal).
Between 11–12: CH5 remote range changeover input
Between 13–14: CH4 remote range changeover input
Between 15–16: CH3 remote range changeover input
Between 17–18: CH2 remote range changeover input
Between 19–20: CH1 remote range changeover input
Action of remote range changeover
High range is selected when open. Low range is selected when short-circuited. For details of action, see “Item 6.7 Parameter
Setting, Remote Range”.
INZ-TN2ZKJ-E
Unassigned
Terminal block 3
<TN3>
1 11 CH5 range identification contact output (RNG_IDCH5)
2 12
Unassigned
Remote hold input
(R_HOLD)
Average value reset
input (RESET)
Auto calibration
remote start
input (R_CAL)
5
6
3
4
7
8
13
14
15
16
17
18
9 19
10 20
(M3.5 screw)
CH4 range identification contact output (RNG_IDCH4)
CH3 range identification contact output (RNG_IDCH3)
CH2 range identification contact output (RNG_IDCH2)
CH1 range identification contact output (RNG_IDCH1)
Terminal block 3 <TN3>
Between 1–4: For internal connection. Must not be wired. (Must not be used as junction terminal.)
Between 5–6:
Between 7–8:
Remote hold input. No hold when open. Output hold when short-circuited.
For details, refer to “Item 6.7
Parameter setting, Output Hold”.
Average value reset input. shortcircuitting the contact input (for at 1.5 sec min.) resets O
2
average and O
2 corrected average simultaneously. Opening it restarts the average value.
For details, refer to “Item 6.7
Parameter setting, Average Value
Resetting”
Between 9–10: Automatic calibration remote start input
After shorting for 1.5 sec. or more, automatic calibration is started by the opening input whether the automatic calibration setting is ON/OFF.
For details, refer to “Item 6.4
Setting of auto calibration”
Between 11–12: CH5 range identification contact output
Between 13–14: CH4 range identification contact output
Between 15–16 CH3 range identification contact output
Between 17–18: CH2 range identification contact output
Between 19–20: CH1 range identification contact output
Action of range identification signal
Range identification contact is conductive at low range and open at high range.
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3 - 13
Peak count alarm output (PEAK_ALM)
Terminal block 4
<TN4>
1 11
2 12
Unassigned
Auto calibration status/ maintenance status contact output (ACAL/MNT)
3
4
13
14
Unassigned
Pump ON/OFF
contact output (PUMP)
5 15
Unassigned
Calibration error contact output
(CAL_ALM)
Instrument error contact output
(FAULT)
8
9
6
7
16
17
18
19
10 20
(M3.5 screw)
Unassigned
Unassigned
Terminal 4 <TN4>
Between 1–2:
Between 3–4:
Peak count alarm contact output
It is conductive when peak count exceeds the setting time. It remains open below the setting time. For setting and operation, refer to “Item 6.6 Peak alarm setting”.
Contact output of auto calibration status and maintenance contact
When the auto calibration is carried out and remote hold is
ON, it is conductive. Remains open otherwise.
Between 5–6:
Between 7–8:
Pump ON/OFF contact output
Used when turning ON/OFF the pump. It is open during auto and manual calibration status and conductive during measurement.
Calibration error contact output
It is conductive when an error occurs during zero calibration or span calibration. It is normally open.
Between 9–10: It is conductive when an error occurs to the analyzer unit. It is normally open.
Between 11–20: For internal connection, wiring is not allowed. (Do not use it as junction terminal).
3 - 14
INZ-TN2ZKJ-E
Unassigned
Terminal block 5
<TN5>
1 11 Unassigned
CH3 alarm output
(ALM_CH3)
2
3
12
13
Power disconnection alarm output
(POWER_OFF)
CH2 alarm output
(ALM_CH2)
CH1 alarm output
(ALM_CH1)
6
7
4
5
8
9
14
15
16
17
18
19
CH5 alarm output
(ALM_CH5)
CH4 alarm output
(ALM_CH4)
10 20
(M3.5 screw)
Terminal 5 <TN5>
Between 2, 3 and 4:
CH3 alarm output
When the output exceeds the set value, it is conductive between 2 and 3, and open between 3 and 4. Otherwise, it is open between 2 and 3 and conductive between 3 and 4.
Between 5, 6 and 7:
CH2 alarm output
When the output exceeds the set value, it is conductive between 5 and 6, and open between 6 and 7. Otherwise, it is open between 5 and 6, and conductive between 6 and 7.
Between 8, 9 and 10:
CH1 alarm output
When the output exceeds the set value, it is conductive between 8 and 9, and open between 9 and 10. Otherwise, it is open between 8 and 9.
Between 12, 13 and14:
Analyzer unit power OFF output
When the analyzer unit is turned ON, it is conductive between 12 and 13, and open between 13 and 14. When the analyzer unit is turned OFF, it is open between 12 and 13, and conductive between 13 and 14.
Between 15, 16 and 17:
CH5 alarm output
When the output exceeds the set value, it is conductive between 15 and 16, and open between 16 and 17. Otherwise, it is open between 15 and 16, and conductive between 16 and 17.
Between 18, 19 and 20:
CH4 alarm output
When the output exceeds the set value, it is conductive between 18 and 19, and open between 19 and 20. Otherwise, it is open between 18 and 19, and conductive between 19 and 20.
For detailed action of the alarm contact, refer to “Item 6.3 Alarm setting”.
INZ-TN2ZKJ-E
3 - 15
Connector <CN3>
Solenoid valve drive signal output for calibration
Connector
<CN3>
(Transister output)
Contact output for sample gas selection
1
2
Contact output for zero calibration
3
Contact output for CH1 span calibration
4
Contact output for CH2 span calibration
5
6
7
8
Contact output for CH3 span calibration
Contact output for CH4 span calibration
Contact output for CH5 span calibration
9
5V DC relay drive power
<D-sub 9P>
Connector <CN3> provides outputs in combination with calibration action during auto calibration and manual calibration.
An output is from a transistor (ratings: 5V/50mA).
A transistor is turned ON before starting each calibration.
Sample selection output is ON during measurement and OFF during calibration.
If calibration is not performed, the other transistors are OFF.
In case of auto calibration, sequential output is ON/OFF according to the setting.
Refer to “Item 6.4 Setting of auto calibration”.
Note) No. 9 pin is for solenoid valve ON/OFF relay drive power (5V DC/0.5A, max).
Use No. 9 with reference to the diagram.
Example of using solenoid valve drive signal output for calibration
<Electrical system>
5V Contact relay
9
1
3
4
5
CN3
Cable
Relay board I/O terminal module
<Gas sampling system>
Membrane filter
SV1
SV2
SV3
SV4
Solenoid valve drive power
SV1 to SV4: solenoid valves
SV1 SV2 SV3 SV4
Refer to “Item 3.3.6 Example configuration of gas sampling system”.
Electronic gas cooler
Zero CH1 span
CH2 span
Standard gas for calibration
Relay board (TK7H2949C4) and exclusive cable (D-sub 9p straight cable: 1.5 meters) are available on request.
3 - 16
INZ-TN2ZKJ-E
(7) Timing of solenoid valve drive signal for calibration q Manual calibration (see “Item 6.9 Calibration”.)
• Zero calibration
Pump ON/OFFcontact
Sample selection output
Zero calibration output
CH1 to 5 span calibration output
Output hold function
(with hold ON setting)
ZERO ENT ENT Calibration end
Calibration gas flow off on off on off on off
Output signal hold
Hold extension time.
• Span calibration
Pump ON/OFFcontact
Sample selection output
Zero calibration output
CH1 to 5 span calibration output
For CH1 span calibration
Output hold function
(with hold ON setting)
SPAN When selecting
CH2 using
DOWN and UP keys.
ENT ENT
Calibration end
Calibration gas flow
Output signal hold
Hold extemsion time.
Note) The hold extension time depends on the gas flow time of the automatic calibration settings.
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3 - 17
w In case of automatic calibration (example shown in Item 6.4.1, Automatic calibration settings)
Pump ON/OFF contact
Automatic calibration start
CH1 span calibration
Zero calibration
CH2 span calibration
CH3 span calibration
CH4 span calibration
CH5 span calibration
Sample selection output
Zero calibration output
CH1 span calibration output
Zero gas
350
CH1 span gas
350 CH2 span calibration output
CH3 span calibration output
CH4 span calibration output
CH5 span calibration output
Automatic calibration contact
Output hold function
Hold extension time.
3 - 18
INZ-TN2ZKJ-E
4. OPERATION
4.1 Preparation for operation
(1) Tube and wiring check
Double-check if tubes of the gas sampling and exhaust ports are correctly connected.
Double-check for proper wiring.
4.2 Warm-up operation and regular operation
(1) Operation procedure q Turn ON the power switch on the front panel of the analyzer unit.
The measurement screen appears on the front display panel in 1 or 2 seconds.
w Wait for about 4 hours until the instrument is warmed up.
Since about 4 hours are required until the instrument allows accurate measurement, warm up the instrument with the power ON.
Note) When in warm-up, the concentration reading may be beyond.
upper limit of range or
lower limit of range.
But, it is not an error.
e Setting of various set values
Perform the various settings according to “Chapter 6. Setting and Calibration”.
r Zero calibration and span calibration
Perform zero calibration and span calibration after warm-up operation.
Refer to “Chapter 6.9. Calibration”.
t Introduction and measurement of measuring gas
Introduce the measuring gas into the analyzer unit before starting measurement.
INZ-TN2ZKJ-E
4 - 1
5.
DESCRIPTION OF DISPLAY AND OPERATION PANELS
This section describes the display unit and operation panel of the analyzer unit. It also explains the name and description of function on the operation panel.
5.1 Name and description of operation panel
POWER
DISPLAY
MODE ESC
ENT
ZERO
SPAN
Fig. 5-1 q
Name
MODE key
Description
Used to switch the mode.
w e
SIDE key
UP key r DOWN key
Used to change the selected item
(by moving the cursor) and numeral digit.
Used to change the selected item
(by moving the cursor) and to increase numeral value.
Used to change the selected item
(by moving the cursor) and to decrease numeral value.
t y
Name
ESC key
ENT key u ZERO key
Description
Used to return to a previous screen or cancel the setting midway.
Used for confirmation of selected items or values, and for execution of calibration.
Used for zero calibration.
i SPAN key
Used for span calibration.
Note) The switch for back light is used for turning ON/OFF the back light of display.
The life time of back light is 50000 hours.
Please turn OFF the switch when indication is not necessary, so the life time will be longer.
INZ-TN2ZKJ-E
5 - 1
5.2 Overview of display and operation panels
•
Measurement mode
* 1
MODE ESC
•
Measurement mode
MODE ESC
•
Measurement mode
MODE ESC
MODE
•
Menu mode
ESC
•
Menu mode
1. Changeover of Range
2. Setting about Calibration
3. Alarm Setting
4. Setting of Auto Calibration
5. Setting of Auto Zero calibration
6. Setting of Peak Alarm
7. Parameter Setting
* 2) The peak alarm setting is
added according to the
code symbol when CO
and O
2
components exist.
ESC
ESC
ESC
ESC
ESC
ESC
•
Changeover of
Range
•
Setting about
Calibration
•
Alarm Setting
ESC
•
Setting of Auto
Calibration
•
Setting of Auto
Zero calibration
•
Setting of
Peak Alarm
•
Parameter
Setting
* 1) The panel configuration is changed depending on the
display channel. (The measurement mode screen can
be viewed by scrolling the arrow key up and down).
ZERO
ZERO Calibration
SPAN Calibration
SPAN
•
•
Selection of items
Calibration value
Zero calibration
Calibration range
Auto calibration component
Selection of items
Start Time
Cycle
Flow Time
Auto calibration ON/OFF
Stop Auto Calibration
•
Selection of items
Start Time
Cycle
Flow Time
ON/OFF
Stop Auto zero Calibration
•
Selection of items
Peak Alarm ON/OFF
Peak Value
Peak Count
Hysteresis
•
Selection of items
Current time
Key lock
Remote range
: Current time setting
: Key lock ON/OFF
: Remote range ON/OFF
Hold
Response time
: ON/OFF
: Response time (filter)
Average time : Average time setting
Average value reset : Average value resetting
Maintenance mode : Maintenance mode
(entry of password)
Fig. 5-2
5 - 2
INZ-TN2ZKJ-E
5.3 Outline of display screen
(1) Measurement mode screen (appears when the power is turned ON)
The measurement screen depends on the number of components. The following screen configuration as shown as an example is for NO, SO
2
, CO
2
, CO and O
2
(output: 12 channel).
* corrected instantaneous value ..... CV.
** correctted average value .............
CV.
AV.
Fig. 5-3 Name and function of measurement mode screen
No.
q w e r
* For outputs of more than 5 channels, scroll the arrow key or to view.
Name
Component display
Concentration display
Range display
Unit display
Function
Displays component of instantaneous value, corrected instantaneous value, corrected average value, etc.
Displays measured value of concentration.
Displays range values.
Displays unit with ppm and vol%.
No.
t
Name
Peak alarm component display y u i
Peak alarm concentration display
Peak alarm times
Peak alarm unit display
Description
Displays peak alarm component.
(Only CO)
Displays peak alarm concentration display.
(Upper limit value)
Displays the alarm times exceeding the peak value.
Displays units of peak alarm with times/H.
INZ-TN2ZKJ-E
5 - 3
•
Instantaneous value and concentration value:
The concentration display of CH (component) where sampling components such as “CO
2
”,
“CO” or “O
2
are displayed in the component display, indicates current concentration values of the measured components contained in gas that is now under measurement.
•
O
2
correction concentration values:
CH components where “cv**” is displayed as “cv CO” in the component display are calculated from the following equation, by setting sampling components, O
2
instantaneous/concentration values and O
2
correction reference value (see item 6.8).
Correction output=
21 - On
21 - Os
K
×
Cs
On: The value of the O
2
correction referance value
(Value set by application)
Os: Oxygen concentration (%)
Cs: Concentration of relevant measured component
K: The value of the fractional part.
where, K is When K 4, K = 4 . When K < 0, K = 4.
When Cs < 0, K = 0.
The converted sampling components are NO
X
, SO
2
and CO only.
•
O
2
correction concentration average value:
In the CH (component) and O
2
CV
average value where “ **” is displayed as “ CO” in the component display, a value obtained by averaging O
2
correction concentration value or O
2 correction value in a fixed time is output every 30 seconds.
Averaging time can be changed between 1 minute and 59 minutes or 1 hour and 4 hours according to the average time settings (See 6.7, Parameter setting).
(The set time is displayed as “1h” , for instance, in the range display.)
* The measurement ranges of O
2
correction concentration value and O
2
correction concentration average value are the same as that of the measuring components. Also, the measurement range of O
2 average value is the same as that of O
2
.
(2) Setting/selection screen
The setting/selection screen is configured as shown below:
• In the status display area, the current status is displayed.
• In the message display area, messages associated with operation are displayed.
• In the setting item and selection item display area, items or values to be set are displayed,
as required. To work on the area, move the cursor to any item by using UP, DOWN and
SIDE keys.
Message display area
• LCD screen
Status display area
Setting item/selection item display area
Cursor
Fig. 5-4
5 - 4
INZ-TN2ZKJ-E
(3) Contents of measured channel (CH)
The following table gives measurement channels and their contents according to the symbols.
B
E
P
A
M
N
G
L
F
E
F
H
Code symbol
5th digit 6th digit 21th digit
D
B
P
A
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A
A
A
A
Y
Y
Y
Y
A
Contents
CH1: NO
CH1: SO
2
CH1: CO
2
CH1: CO
CH1: CH
4
CH1: NO, CH2: SO
2
CH1: NO, CH2: CO
CH1: CO
2
, CH2: CO
CH1: NO, CH2: SO
2
, CH3: CO
CH1: NO, CH2: SO
2
, CH3: CO
2
, CH4: CO
CH1: NO, CH2: CH
4
, CH3: CO
2
, CH4: CO
CH1: NOx, CH2: O
2
, CH3: Corrected NOx, CH4: Corrected NOx average, CH5: O
2 average
CH1: SO
2
, CH2: O
2
, CH3: Corrected SO
2
, CH4: Corrected SO
2 average, CH5: O
2 average
H
G
L
M
L
M
B
B
H
G
H
G
L
M
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A, B, C
A
A
A
A
B
B
B
B
B
C
C
C
C
C
CH1: CO, CH2: O
2
, CH3: Corrected CO, CH4: Corrected CO average, CH5: O
2 average
CH1: CH
4
, CH2: O
2
, CH3: O
2 average
CH1: NOx, CH2: SO
2
, CH3: O
2
, CH4: Corrected NOx, CH5: Corrected SO
2
,
CH6: Corrected NOx average, CH7: Corrected SO
2 average, CH8: O
2 average
CH1: NOx, CH2: CO, CH3: O
2
, CH4: Corrected NOx, CH5: Corrected CO,
CH6: Corrected NOx average, CH7: Corrected CO average, CH8: O
2 average
CH1: CO
2
, CH2: CO, CH3: O
2
, CH4: Corrected CO, CH5: Corrected CO average,
CH6: O
2 average
CH1: NOx, CH2: SO
2
, CH3: CO, CH4: O
2
, CH5: Corrected NOx, CH6: Corrected SO
2
,
CH7: Corrected CO, CH8: Corrected NOx average, CH9: Corrected SO
2 average,
CH10: Corrected CO average, CH11: O
2 average
CH1: NOx, CH2: SO
2
, CH3: CO
2
, CH4: CO, CH5: O
2
, CH6: Corrected NOx,
CH7: Corrected SO
2
, CH8: Corrected CO, CH9: Corrected NOx average,
CH10: Corrected SO
2
average, CH11: Corrected CO average, CH12 : O
2 average
CH1: CO, CH2: O
2
, Peak alarm
CH1: NO, CH2: CO, CH3: O
2
, Peak alarm
CH1: CO
2
, CH2: CO, CH3: O
2
, Peak alarm
CH1: NO, CH2: SO
2
, CH3: CO, CH4: O
2
, Peak alarm
CH1: NO, CH2: SO
2
, CH3: CO
2
, CH4: CO, CH5: O
2
, Peak alarm
CH1: CO, CH2: O
2
, CH3: Corrected CO, CH4: Corrected CO average, CH5: O
2
average,
Peak alarm
CH1: NOx, CH2: CO, CH3: O
2
, CH4: Corrected NOx, CH5: Corrected CO,
CH6: Corrected NOx average, CH7: Corrected CO average, CH8: O
2 average, Peak alarm
CH1: CO
2
, CH2: CO, CH3: O
2
, CH4: Corrected CO, CH5: Corrected CO average,
CH6: O
2
average, Peak alarm
CH1: NOx, CH2: SO
2
, CH3: CO, CH4: O
2
, CH5: Corrected NOx, CH6: Corrected SO
2
,
CH7: Corrected CO, CH8: Corrected NOx average, CH9: Corrected SO
2 average,
CH10: Corrected CO average, CH11: O
2 average, Peak alarm
CH1: NOx, CH2: SO
2
, CH3: CO
2
, CH4: CO, CH5: O
2
, CH6: Corrected NOx,
CH7: Corrected SO
2
, CH8: Corrected CO, CH9: Corrected NOx average,
CH10: Corrected SO
2
average, CH11: Corrected CO average, CH12 : O
2 average, Peak alarm
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5 - 5
5.4 General operation
• Measurement mode
The measurement mode can be displayed up to 5 channels in a single screen. If 5 channels or more are to be displayed in a single screen, press the or key to scroll the channel one by one.
C H
C H
C H
C H
C H
NO
X
0-100
SO
2
0-100
CO
2
0-10
CO
0-100
O
2
0-25
C H
C H
C H
C H
C H
NO
X
0-100
SO
2
0-100
CO
2
0-10
CO
0-100
O
2
0-25 ppm ppm vol%
0 0 .
ppm vol% ppm ppm vol%
0 0 .
ppm vol%
ZERO
SPAN
Zero calibration
See 6.9.1.
Span calibration
See 6.9.2.
C H CV.
0-100
NO
X ppm
C H
0-100
SO
2 ppm
C H
0-100
CO ppm
C H
AV.
O
2
0-25
PEARK COUNTER
CO 500ppm 0 times/H vol%
5 - 6
• Menu mode displays;
Changeover of Range
Setting about Calibration
Alarm Setting
Setting of Auto Calibration
Setting of Auto Zero Calibration
Setting of Peak Alarm
Parameter Setting.
For the setting contents, refer to
“Chapter 6. Setting and calibration”.
ESC MODE
Measurement Mode
ESC MODE
INZ-TN2ZKJ-E
6. SETTING AND CALIBRATION
6.1 Changeover of range
This mode is used to select the ranges of measured components.
q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Changeover of
Range”. Press the
ENT
key.
MODE
( )
ENT e The “Channel Selection” screen appears.
Press the or key until the “ ” cursor moved selects a desired CH
(component).
r After selection, press the
ENT
key.
Note) The range of O
2 correction instantaneous values and O
2
correction average values is automatically switched by changing the range of instantaneous value of each CH
(component).
t In the Range Setting screen that appears, move the cursor by pressing the or
key to select the range. (The range with a mark of is currently selected.) y After selection, press the
ENT
key.
u Measurement is conducted within the selected range. The range identification contact is closed with the low range
(Range 1), and open with the high range
(Range 2).
Note) If the Remote Range is set to ON, the changeover of range cannot be performed on the screen.
To close “Changeover of Range”
To close Changeover of Range, or cancel
A previous screen will return.
INZ-TN2ZKJ-E
( )
ENT
( )
ENT
End of Range Selection
6 - 1
6.2 Calibration setting
This mode is used to set calibration concentration and actions. The calibration setting involves calibration concentration, zero calibration, calibration range and auto calibration component.
6.2.1 Setting of calibration concentration
It allows you to set concentrations of the standard gas (zero and span) of each channel used for calibration.
MODE q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Setting about Calibration” by pressing the or key.
Press the
ENT
key.
ENT e In the “Setting about Calibration” screen that appears, point the cursor to “Calibration Value” by pressing the or key. Press the
ENT
key.
r In the “Calibration Concentration CH
Selection” screen that appears, point the cursor to CH you want to set by using the
or key. Press the
ENT
key.
( )
ENT
6 - 2
( )
ENT
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t In the “Calibration Concentration Selection” screen that appears, select any concentration item you want to set by pressing the ,
key.
y In the “Calibration Concentration Value
Setting” screen that appears, enter calibration gas concentration values (zero and span).
For value entry, press the or key, and a 1-digit value increases or decreases. By pressing the , the digit moves.
After setting, save the entry by pressing the
ENT
key. The saved value becomes valid from the next calibration process.
Note) Enter the set values corresponding to each range. When the O
2
measurement uses atmospheric for the zero gas, set the concentration value to 20.60. When the cylinder air is used, set to the concentration value as indicated on the cylinder.
To close the setting
To close the calibration concentration value setting process or cancel this mode midway,
( )
ENT
Cursor for setting value
ENT
End of Calibration
Concentration Setting
A previous screen will return.
Setting range of values
NOx, SO
2
, CO
2,
CO, CH
4
, external O
2 measurement and buit-in paramagnetic O
2 sensor
Span gas: 1 to 100% of full scale
(Full scale (FS) is the same as each range value.)
External Zirconia O
2
measurement
The setting cannot be performed beyond the range.
Zero gas: 5 to 25 vol%
Span gas: 0.01 to 5 vol%
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6 - 3
6.2.2 Setting of manual zero calibration
When zero calibration is made manually, set either all measurement components should be calibrated simultaneously or each component should be calibrated while selecting one by one.
MODE q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Setting about Calibration” by pressing the or key.
Press the
ENT
key.
e In the “Setting about Calibration” screen that appears, point the cursor to “About
ZERO Calibration” by pressing the or
key. Press the
ENT
key.
( )
ENT r In the “Manual Calibration CH Selection” screen that appears, point the cursor to CH you want to set by using the or
key. Press the
ENT
key.
( )
ENT
6 - 4
( )
ENT
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t In the “Manual Calibration Selection” screen that appears, select “at once” or
“each” by pressing the or key.
When selecting “at once”, the CH (components) to be set can be zero-calibrated at the same time. When selecting “each”, either of the CH (components) to be selected is zero-calibrated. After setting, press the
ENT
key.
To close “About ZERO Calibration”
To close “About ZERO Calibration” setting or to
A previous screen will return.
( )
ENT
End of Manual Calibration Setting
Example
Whether “each” or “at once” can be determined for each CH (component).
•Setting “each”
Select the CH (component) on the manual zero calibration screen and then perform
zero calibration.
•Setting “at once”
At a manual zero calibration, zero of CH (components) for which “at once” was selected can simultaneously be calibrated.
* When the cylinder air or atmospheric air is used for the zero gas, select “At once”.
Manual Calibration screen
•
When setting all components to “each”:
•
When setting all components to “at once”:
A single cursor will appear.
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Cursors will appear at all components where “at once” is set.
6 - 5
6.2.3 Setting of calibration range
This mode is used to set if the range of each CH (component) at the calibration (manual calibration or auto calibration) should be calibrated with a single range or 2 ranges.
MODE q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Setting about Calibration” by pressing the or key.
Press the
ENT
key.
e In the “Setting about Calibration” screen that appears, point the cursor to “About
Calibration Range” by pressing the or
key. Press the
ENT
key.
( )
ENT
6 - 6 r In the “Calibration Range CH Selection” screen that appears, point the cursor to the CH you want to set by pressing the
or key. Press the
ENT
key.
( )
ENT
( )
ENT
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t In the “Calibration Selection” screen that appears, select “both” or “current” by pressing the or key.
• When selecting “both”, Range 1 and
Range 2 of the set CH are calibrated together. When selecting “current”, the range alone displayed at the set CH is calibrated.
To close “Setting of Calibration Range”
To close “Setting of Calibration Range” or to cancel this mode midway, press the
( )
ENT
End of Manual Calibtation Setting
Example
CH1
NOx
Range 1: 0 to 100 ppm
Range 2: 0 to 2000 ppm both
CH2
SO
2
Range 1: 0 to 100 ppm
Range 2: 0 to 2000 ppm current
CH1: Range 1 and Range 2 are calibrated together with zero and span calibration.
CH2: Only currently displayed range is calibrated with zero and span calibration.
Caution
When calibrating the span gas in the interlocked ranges, the same values should be set in both ranges.
Manual Calibration screen
When setting NOx and CO to “both”
Two cursors will appear in both ranges (CH1 and CH4).
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6 - 7
6.2.4 Setting of auto calibration component
It sets the CH (component) to be calibrated in the auto calibration.
q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Setting about Calibration” by pressing the or key.
Press the
ENT
key.
MODE
( )
ENT e In the “Setting about Calibration” screen that appears, point the cursor to “Auto
Calibration Components” by pressing the
or key. Press the
ENT
key.
6 - 8 r In the “Auto Calibration Components” selection screen that appears, point the cursor to the CH you want to set by pressing the or key. Press the
ENT
key.
( )
ENT
( )
ENT
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t In the “Auto Calibration Selection” screen that appears, select “enable” or
“disable” by pressing the or key.
After setting, press the
ENT
key.
To close "Auto Calibration
Component" setting
To close “Setting of Auto Calibration
Component” or to cancel this mode midway, press the ESC key.
A previous screen will return.
Example
( )
ENT
End of Manual Calibtation Setting
Caution
The components which were set to “enable” is calibrated to Zero at once at the time of auto calibration regardless of setting in “6.2.2 Setting of manual zero calibration”.
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6 - 9
6.3 Alarm setting
6.3.1 Setting of alarm values
This mode is used to set the upper or lower limit value to provide an alarm output during measurement. Before changing the alarm setting, set the ON/OFF to OFF.
MODE q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Alarm Setting” by pressing the or key. Press the
ENT key.
( )
ENT e After the alarm setting CH selection screen has appeared, point the cursor to the CH you want to set by pressing or
key .
Press the
ENT
key.
ENT
6 - 10 r After the alarm item selection screen has appeared, operate the or key until the cursor is aligned with a desired item and press the
ENT
key.
Caution
Set the values so that upper limit value > lower limit value and that (upper limit value lower limit value) > hysteresis.
( )
ENT
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After setting, the alarm setting is now completed by pressing the
ENT
key.
Cursor for setting value
To close the "Alarm Setting"
To close the “Alarm Setting” or to cancel this mode midway, press the ESC key.
A previous screen will return.
( )
ENT
End of Alarm Setting
Description of setting items
Upper limit value: Sets the upper limit value (concentration) of alarm.
Lower limit value: Sets the lower limit value (concentration) of alarm.
Contact action: Selects one of upper limit alarm, lower limit alarm, and upper limit or lower limit alarm.
Upper ... Alarm contact closes when above upper limit alarm.
Lower ... Alarm contact closes when below lower limit alarm.
Upper or lower ... Alarm contact closes when above upper limit value or below lower limit value.
ON/OFF: Enables the alarm function if set at ON, or disables the alarm function if set at OFF.
* The upper limit value cannot be set below the lower limit value, and the lower limit value cannot be set above the upper limit value.
If it is desired to set the upper limit value below the lower limit value already stored in the memory, reduce the lower limit value beforehand, and vice versa.
Typical on-screen display when an alarm occurs
When an upper limit alarm has occurred, the “High alarm” message lights at CH (component)
(“Low alarm” at lower limit alarm).
C H NO
X
0-100
C H
SO
2
0-100
C H CO
2
0-10
C H
CO
0-100
C H O
2
0-25
- - - ppm ppm vol% ppm vol%
Caution
•
For 10 minutes after turning on power, the alarm judgment is inactive.
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6 - 11
6.3.2 Hysteresis setting
To prevent chattering of an alarm output near the alarm setting values, set the value of hysteresis.
q In the “Alarm Setting CH” Selection” screen that appears, point the cursor to
“Hysteresis” by pressing the or key. Press the
ENT
key.
w In the “Hysteresis Value Setting” screen that appears, enter hysteresis values.
For the value entry, 1-digit value is increased or decreased by pressing the
or key, and pressing the key moves the digit. After setting, press the
ENT
key.
To close "Hysteresis Setting"
To close the “Hysteresis Setting” or cancel the mode midway, press the
ESC
key.
A previous screen will return .
( )
ENT
Setting range
0 to 20% of full scale
A full scale means each range provides a full scale of width.
( )
ENT
End of Hysteresis Setting
Caution
The hysteresis is common to all CHs
(components).
Hysteresis (In case of upper limit alarm)
An alarm output is turned ON if measurement value exceeds the upper limit value as shown below. Once the alarm output has been turned ON, it is not turned OFF as long as the indication does not fall below the hysteresis width from the upper limit value.
Upper limit value
Hysteresis width
6 - 12
Alarm
ON (conductive)
OFF (open)
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6.4 Setting of auto calibration
6.4.1 Auto calibration
Auto calibration is automatically carried out at the time when zero calibration and span calibration are set.
Before changing the setting of auto calibration, set the ON/OFF to OFF.
q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Setting of Auto
Calibration” by pressing the or key. Press the
ENT
key.
MODE e In the “Setting of Auto Calibration” screen that appears, point the cursor to any item you want to set by pressing the
or key. Press the
ENT
key.
r In the “Auto Calibration Parameter
Setting” screen that appears, perform the value entry or the setting. For the value entry or setting change, use the or
key. To change the setting, use the
key to move the cursor to the right.
After setting, press the
ENT
key, and auto calibration is carried out by the entered setting value.
Description of setting items
• Start Time : Setting at the first calibration
(day of the week, hour, minute)
• Cycle : A period between the start time of one calibration and another
(unit : hour/day)
• Flow Time : The time required for the calibration gas
• ON/OFF to be replaced in the cell
: ON/OFF of auto calibration
To close "Setting of Auto calibration"
To close the "Setting of Auto calibration" or cancel this mode midway, press the ESC key.
A previous screen will return.
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( )
ENT
( )
ENT
ENT
End of Aoto Calibration Setting
6 - 13
“Auto calibration status” and “maintenance status” contact outputs are closed during auto calibration, and are open in other cases. When hold is set to ON, the contacts are closed during holding.
Example
Start Time
Cycle
Flow Time
ON/OFF
SUN
1
350
ON
12:00 day sec
In case where auto calibration is carried out at the above setting.
Sunday
12:00
Cycle
Monday
12:00
Tuesday
12:00
: Auto calibration
Zero calibration
CHI
Span calibration
CH2
Span calibration
CH3
Span calibration
CH4
Span calibration
CH5
Span calibration
350sec 350sec 350sec
Flow time
(An example of “CH1: through CH5: enable”, as given in Item 6.2.4 “Auto Calibration
Components”)
Setting range
Cycle
Flow time
: 1 to 99 hours or 1 to 40 days (initial value 7days)
: 60 to 599 sec (initial value 300sec)
•
•
Caution
When an auto calibration starts, the measurement screen automatically appears.
Any operation other than “Stop Auto Calibration” (see Item 6.4.2) is not permitted during auto calibration. “Stop Auto Calibration” cannot be performed with the key lock to ON. To cancel auto calibration forcedly, set the key lock to OFF and then execute “Stop Auto Calibration”.
Remote start
Whether the auto calibration is set at ON or OFF, an auto calibration is available by keeping the remote start input closed for at least 1.5 seconds.
Remote start input
Closed (keep at least 1.5 sec.)
Open
6 - 14
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6.4.2 Forced stop of auto calibration
This mode is used to cancel the auto calibration forcedly.
q In the User mode that is displayed, point the cursor to “Setting of Auto Calibration” by pressing the or key.
Press the
ENT
key.
( )
ENT w In the “Setting of Auto Calibration” item selection screen that appears, point the cursor to “Stop Auto Calibration” by pressing the or key. Press the
ENT key.
e “Stop Auto Calibration” is inverted. A message appears, prompting you to verify that you want to cancel or continue auto calibration. To cancel the auto calibration, press the
ENT
key. If you press the
ESC
key, auto calibration is not stopped.
( )
ENT
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6 - 15
“Auto Calibration” screen
Example
In case where setting the auto calibration components (see Item 6.2.4) to
“CH1: enable” and “CH2: enable”
• Zero calibration
A message, “Zero cal.” blinks at CH1 and CH2.
C H
C H
C H
C H
C H
NO
0-100
X
SO
0-100
2
CO
2
0-10
CO
0-100
O
2
0-25 ppm ppm vol% ppm vol%
• CH1 span calibration
A message, “Span cal.” blinks at CH1.
C H
C H
C H
C H
C H
NO
0-100
X
SO
2
0-100
CO
2
0-10
CO
0-100
O
2
0-25 ppm ppm vol% ppm vol%
• CH2 span calibration
A message, “Span cal.” blinks at CH2.
C H
C H
C H
C H
C H
NO
X
0-100
SO
0-100
2
CO
2
0-10
CO
0-100
O
2
0-25 ppm ppm vol% ppm vol%
Caution
During auto calibration, any key operation is not permitted other than operations such as key lock ON/OFF and “Stop Auto Calibration”.
When the key lock is set at ON, even the “Stop Auto Calibration” cannot be used.
To stop “Auto Calibration” forcedly, set the key lock to OFF and then execute
“Stop Auto Calibration”.
6 - 16
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6.5 Setting of auto zero calibration
6.5.1 Auto zero calibration
Auto zero calibration is automatically carried out at the time when zero calibration is set.
Components for which a calibration is to be made are determined by setting of auto calibration component in Item 6.2.4.
Before changing the setting of auto zero calibration, set the ON/OFF to OFF.
q During measurement, press the
MODE
key to display the User mode.
w Point the cursor to “Setting of Auto Zero
Calibration” by pressing the or key. Press the
ENT
key.
e In the “Setting of Auto Zero Calibration” screen that appears, point the cursor to any item you want to set by pressing the
or key. Press the
ENT
key.
r In the “Auto Zero Calibration Parameter
Setting” screen that appears, perform the value entry or the setting. For the value entry or setting change, use the or
key. To change the setting, use the
key to move the cursor to the right.
After setting, press the
ENT
key, and auto zero calibration is carried out by the entered setting value.
Description of setting items
• Start Time : Setting at the first calibration
(day of the week, hour, minute)
• Cycle : A period between the start time of one calibration and another
(unit : hour/day)
• Flow Time : The time required for the calibration gas
• ON/OFF to be replaced in the cell
: ON/OFF of auto zero calibration
MODE
( )
ENT
( )
ENT
To close "setting of Auto Zero Calibration"
To close the Setting of Auto Zero Calibration or cancel this mode midway, press the ESC key.
A previous screen will return.
ENT
End of Auto Zero Calibration Setting
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6 - 17
“Auto calibration status” and “maintenance status” contact outputs are closed during auto calibration, and are open in other cases. When hold is set to ON, the contacts are closed during holding.
Example
Start time
Cycle
Flow time
ON/OFF
SUN
1
300
ON
12:00 hour sec
In case where auto zero calibration is carried out at the above setting.
Sunday
12:00
Cycle
Monday
12:00
Tuesday
12:00
: Auto zero calibration
Zero calibration
300sec
Flow time
(An example of “CH1: through CH5: enable”, as given in Item 6.2.4 “Auto Calibration
Components”)
Setting range
Cycle
Flow time
: 1 to 99 hours or 1 to 40 days (initial value 7days)
: 60 to 599 sec (initial value 300sec)
Caution
•
•
When an auto zero calibration starts, the measurement screen automatically appears.
Any operation other than "Stop Auto Zero Calibration" (see Item 6.5.2) is not permitted during auto zero calibration. “Stop Auto Zero Calibration” cannot be performed with the key lock to ON. To cancel auto zero calibration forcedly, set the
• key lock to OFF and then execute “Stop Auto Zero Calibration”.
If the auto calibration period and auto zero calibration period have overlapped, the auto calibration is retained, ignoring the auto zero calibration of that period.
6 - 18
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6.5.2 Forced stop of auto zero calibration
This mode is used to cancel the auto zero calibration forcedly.
q In the User mode that is displayed, point the cursor to “Setting of Auto Zero
Calibration” by pressing the or key. Press the
ENT
key.
( )
ENT w In the “Setting of Auto Zero Calibration” item selection screen that appears, point the cursor to “Stop Auto Zero Calibration” by pressing the or key.
Press the
ENT
key.
e “Stop Auto Zero Calibration” is inverted.
A message appears, prompting you to verify that you want to cancel or continue auto zero calibration. To cancel the auto zero calibration, press the
ENT
key. If you press the
ESC
key, auto zero calibration is not stopped.
( )
ENT
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6 - 19
“Auto Zero Calibration” screen
Example
In case where setting the auto calibration components (see Item 6.2.4) to
“CH1: enable”, “CH2: enable” and “CH3 to CH5:disable”
• Zero calibration
A message, “Zero cal.” blinks at CH1 and CH2.
C H
C H
C H
C H
C H
NO
0-100
X
SO
0-100
2
CO
2
0-10
CO
0-100
O
2
0-25 ppm ppm vol% ppm vol%
Caution
During auto zero calibration, any key operation is not permitted other than operations such as key lock ON/OFF and “Stop Auto Zero Calibration”.
When the key lock is set at ON, even the “Stop Auto Zero Calibration” cannot be used.
To stop “auto zero calibration” forcedly, set the key lock to OFF and then execute
“Stop Auto Zero Calibration”.
6 - 20
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6.6 Peak alarm setting
When the peak number of times CO concentration exceeds the upper limit value during measurement exceeds the set number, an alarm is provided.
The peak alarm and this setting screen appear only when an option is added.
MODE q Press the
MODE
key in the Measurement mode, and the User mode appears.
w Point the cursor to “Setting of Peak
Alarm” by pressing the or key.
Press the
ENT
key.
e In the “Peak Alarm Setting” item selection screen that appears, point the cursor to any item you want to set by pressing the or key. Press the
ENT
key.
( )
ENT r Then, enter numeric values and perform the setting.
Entering the numeric values or setting the items should be carried out by using the or key.
After setting, press the
ENT
key, and the set values are saved.
Description of setting items
• Peak Alarm : ON/OFF of peak alarm
• Alarm Value : If measuring value exceeds the set alarm value, a peak counter counts
1 time.
• Alarm Count : When a peak in excess of the setting
time occurs, a peak count alarm output is provided.
• Hysteresis : To prevent possible chattering when the measuring value may exceed the set peak concentration by only
1 time, the peak count has an allowance in the hysteresis width.
( )
ENT
ENT
End of Peak Alarm Setting
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6 - 21
Action of peak alarm
Example
If CO concentration exceeds the alarm value, counting will begin. If the number of peaks is over the set times per hour, a peak alarm contact output becomes closed (ON). If it is less than the set times per hour, it is open (OFF). Since 5 times of peaks /hour is marked at q section from the above graph, the peak count alarm is turned ON. Since peaks of more than 5 times per 1 hour occur at the interval between q and w , the peak count alarm remains ON. Since at w , peaks are reduced to 4 times per hour, it is turned OFF.
Like the hysteresis of the alarm setting , the hysteresis prevents possible chattering when measured gas is fluctuated near the alarm value.
* For 10 minutes after the power is turned ON, a peak alarm counting is not carried out.
Releasing peak alarm
To release the peak alarm, set the peak alarm to OFF.
Turning on the peak alarm initiates counting from 0.
6 - 22
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6.7 Parameter setting
It allows you to carry out the parameter setting such as time, key lock, etc., as required. Items to be set are as follows:
Description of setting items
• Current Time
• Key Lock
• Remote Range
• Output Hold
• Average Value Reset
• Response time
• Average Period
• Maintenance mode
: Sets the current day of the week, hour and time.
: Sets with ON/OFF so that any key operation except the key lock OFF cannot be performed.
: Sets with ON/OFF whether the Range Selection is made valid or invalid by external input.
: Sets whether Calibration Output is held or not.
: Resets the average value.
: Sets the response time of electrical system.
: Sets the moving average time.
: Enters passwords to switch to the Maintenance mode.
* For the maintenace mode, see Item 6.8.
MODE q To display the User mode, press the
MODE key in the measurement mode.
w Point the cursor to “Parameter Setting” by pressing the or key. Press the
ENT
key.
( )
ENT e In the “Parameter Setting” screen that appears, point the cursor to any item you want to set by pressing the or key. Press the
ENT
key.
( )
ENT
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6 - 23
r In the Parameter Setting screen that appears, enter the numeric values and set the items. Entering the numeric values or setting the items should be carried out by using the or key. To move the cursor to the right, press the key.
After setting, press the
ENT
key, that the parameter setting is carried out with the value you set.
To close Parameter Setting screen
To close the “Parameter Setting” screen or cancel this mode midway, press the
A previous screen will return.
Setting Range
• Response time
• Average period
• Maintenance mode
: 1 to 60sec.
: 1 to 59 min or 1 to 4 hours
ENT
End of Parameter Setting
When setting the unit of 1 to 59 minutes is terms of minute
or 1 to 4 hours with hour
: 0000 to 9999
(Initial value: 15 sec)
(Initial value: 1 hour)
(Initial value: 0000)
Remote Range
A range can be switched via an external input by setting the Remote Range to ON (The switching action affects all of instantaneous value, O
2
correction value, O
2 correction average value and O
2 average value.) If the Remote Range is set to OFF, the external input becomes invalid.
Opening the input gives the High range, or shorting the input gives the Low range.
For the terminal input, refer to Item 3.4, Wiring.
Switching the range cannot be performed by on-screen operation when the Remote Range is set to
ON.
Note) In case of 1 range meter, this function is overridden.
Output Hold
By setting an output hold to ON, an output signal of each channel are held during the calibration
(manual calibration and auto calibration) and for the gas flow time (refer to Item 6.4, Setting of
Auto Calibration). Regardless of Hold ON/OFF setting, an output signal can be held via an external input.
(1) Manual calibration
ZERO or
SPAN
Calibration
6 - 24
Output hold
Hold extending time.
Time set to gas flow time (See Item 6.4 Auto Calibration.)
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(2) Auto calibration
Auto calibration start
Calibration
Auto calibration end
Output hold
(3) External hold
Remote hold
Hold extending time.
Time hold set to the gas flow time
Close
Open
Output hold
Note) With the external hold input, auto calibration status and maintenance status contact are conductive.
(4) Screen display during Holding
The “Holding” message blinks on the measuring screen.
Since the screen displays the process of calibration is displayed during the manual calibration,
“Holding” is not displayed even if the output signal is held, but the screen is displayed with the hold extending time.
(5) If calibration is cancelled after the calibration gas is supplied regardless of during manual calibration or auto calibration, the holding extending time will be performed.
Average value reset
This mode is used to clear all average values O
2
correction average and O
2
average, and restarts averaging. All average values are reset at a time. The indication value and output value is 0 ppm, vol% or so at the time of the reset input (Refer to the average peripd).
Close (hold at least 1.5 sec.)
Open Reset input
So long as close, resetting lasts.
At the edge of changing from closing to opening, the average action restarts.
Response time
The response time of the electrical system can be changed.
Setting is available by components.
Note) It does not provide exact seconds for the setting time, but it gives a guide of the setting time.
The setting value can be modified as
requested by the customer.
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6 - 25
Average period
It allows you to set an average period of the average value of O
2 correction and O
2 average.
It enables you to set an average time of 1 to 59 minutes (1-minute step) or 1 to 4 hours (1-hour step).
Changing the setting resets the average value of
O
2 correction and O
2
average value. (Pressing the
ENT
validates the resetting only for components whose setting was changed.)
Example of average action
In case the average period was set to 1 hour.
Reset
Average value
Time
1 Time
· Sampling occurs every 30 seconds.
·
Every 30 seconds, the average for last 1 hour (time setting) is output.
· At the instant of resetting, zero is assumed for all past values. It means that the average value will not be correct for 1 hour after resetting.
Maintenance mode
To open the maintenance mode, enter a password. After entering the password, press the
ENT
key.
The password can be set for the Password Setting in the Maintenance mode. A password is set to
“0000” before factory-shipment. This value is available for the Maintenance mode.
6 - 26
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6.8 Maintenance mode
This mode is used for check of sensor input values, display of error log files or setting of passwords, etc. First, enter a password and then use it from the next operation. This mode is displayed by selecting the Maintenance Mode from “Item 6.7 Parameter Setting”.
q Select the Maintenance mode from the
Parameter Setting screen to display the
Password Setting screen.
w Enter the password, and the Maintenance
Mode item selection screen will be displayed. Point the cursor to the item you want to set by pressing the or key and press the
ENT
key.
e Next, each Maintenance screen is displayed.
Note) “To Factory Mode” is used for our service engineers only. Refrain from using this mode.
( )
ENT
Each “Maintenance” screen
• Sensor Input Value screen
Description of Sensor Input Value screen
•
NOx M
•
NOx C
: NOx sensor input value
: NOx interference compensation sensor input value
•
SO
2
•
SO
2
M
C
: SO
: SO
2
2
sensor input value
interference compensation sensor input value
•
CO
2
M
•
CO
2
C
: CO
: CO
2
2
sensor input value
interference compensation sensor input value
•
CO M
•
CO C
: CO sensor input value
: CO interference compensation sensor input value
•
Temperature: temperature sensor input value
•
O
2
: O
2
sensor input value
• Error Log screen
Description of Error Log screen
Error history
For error number, date and time (days, period) of occurrence, channel and other details of error, refer to Item 8.1 Error message.
INZ-TN2ZKJ-E
6 - 27
• Password Setting screen
Description of Password Setting screen
It enables you to set a password to be used when switching the parameter setting mode to the maintenance mode.
Note) The password set herein must be managed for safety. Failure to enter the correct password will not open the Maintenance mode.
Caution
If the following operation is maladjusted, the measurement may be adversely and excessively affected. Carry out the operation with utmost attention.
. Optical adjustment screen
For details of this item, refer to “Item 7.3.3
Optical zero adjustment method”.
The selenoid valve driving signal for zero gas is turned ON by pressing the
ENT
key.
. Moisture interference adjustment screen
For details of this item, refer to “Item 7.3.4
Moisture interference adjustment method”.
Description of moisture interference adjustment screen
In values on the right side of screen, the moisture interference for each component is already offset.
By “ ” or “ ” key, move “ ” cursor to a desired CH (component).
Make sure the gas for moisture interference flows. By “ “ or “ ” key, get the value after moisture interference offset will get near 0 and press the “
ENT
” key to register the moisture interference corrected value into the memory.
6 - 28
ENT
INZ-TN2ZKJ-E
Caution
Since an interference compensation detector is not provided if the 1st range is beyond 0 to
10 vol%, no interference adjustment can be performed (no need).
• Setting of O
2
correction reference value
Set the O
2
correction reference value by selecting a numerical value by or key or shifting a digit by key.
Calculated value shoud be referred to O
2
correction values given in “Item 5.3 Outline of display screen”.
Setting range
01 to 19%
• Setting of station No. for communication function
Set the station NO. by selecting a numerical value by or key or shifting a digit by key.
00 to 31
Setting range
(Initial = 00)
* Please refer to another manual (INZ-TN513327-E) about the communication function.
INZ-TN2ZKJ-E
6 - 29
6.9 Calibration
6.9.1 Zero calibration
It is used for zero point adjustment. For zero calibration gas, suited for an application should be used according to “(3) Standard gas in Item 3.3 Sampling”.
q Press the
ZERO
key on the Measurement screen to display the Manual Zero Calibration screen.
w Select the CH (component) to be calibrated by pressing the or key.
After selection, press the
ENT
key, and zero gas will be supplied.
Caution
For the CH (components) that is set to
“both” in the “Zero Calibration” of the
Calibration Setting mode, zero calibration is also carried out at the same time.
e Wait until the indication is stabilized with the zero gas supplied. After the indication has been stabilized, press the
ENT
key. Zero calibration in range selected by the cursor is carried out.
To close "Zero Calibration"
To close the Zero Calibration or cancel this mode midway, press the ESC key. A previous screen will return.
ZERO
( )
ENT
ENT
6 - 30
ENT
To Measurement screen after executing Manual Zero Calibration
INZ-TN2ZKJ-E
6.9.2 Span calibration
It is used to perform a span point adjustment. Supply calibration gas with concentration set to the span value to perform the span calibration. For the span calibration gas for the NO
X
, SO
2
, CO
2
,
CO measurement, use the standard gas with a concentration of 90% or more of the range value.
For the span calibration gas for the O
2
measurement, use the standard gas with a concentration of
90% or more of the range value when measuring with the built-in O
2
sensor, and use the standard gas of about 2 vol% when measuring with an external zirconia O
2
sensor.
SPAN q Press the
SPAN
key on the Measurement screen to display the Manual Span Calibration screen.
( )
ENT w Select CH (component) to be calibrated by pressing the or key and press the
ENT key. The calibration gas is supplied.
Caution
When “both” from “Calibration Range” of the
Calibration Setting mode is set, span calibration is performed together with 2 Ranges.
e Wait until the indication is stabilized in the state where the calibration gas is supplied.
After the indication has been stabilized, press the
ENT
key. Span calibration of
Range selected by the cursor is performed.
To close "Span Calibration"
To close the “Span Calibration” or cancel
A previous screen will return.
INZ-TN2ZKJ-E
ENT
ENT
To Measurement screen after executing Manual Span Calibration
6 - 31
7. MAINTENANCE
7.1 Daily check
(1) Zero calibration and span calibration q Perform zero calibration. For the calibration procedures, refer to “Item 6.9.1 Zero calibration”.
w Then, perform span calibration. For the calibration procedures, refer to “Item 6.9.2 Span calibration”.
e Zero calibration and span calibration should be carried out once a week, as required.
(2) Flow rate check q Sampling gas flow and purge gas flow are as follows:
•
Sampling gas flow:
•
Purge gas flow:
0.5L/min
±
0.2L/min
About 1L/min w Check and maintenance should be carried out every day, as required.
7.2 Daily check and maintenance procedures
Table 7.1 Maintenance and check table
INZ-TN2ZKJ-E
7 - 1
7.3 Maintenance of analyzer unit
7.3.1 Cleaning method for sample cell (pipe cell)
This section is strictly factory adjusted. Handle it with utmost attention.
If it is absolutely required, contact us.
q Turn off the power switch, stop the sample gas, and allow the zero gas to flow for several minutes to purge the cell interior.
Loosen the setscrew (2 pieces) from the top cover and remove it.
w Remove the internal gas inlet tube.
e Loosen both right and left screws for cell holding plate.
•
Remove the sample cell only.
r Turn to the left the sample cell window and remove it from the sample cell (see
Fig. 7-1).
t For cleaning the window and cell inside surface, first eliminate coarse dust by soft brush or the like and then wipe them by soft rag.
The window is easy to get scratched.
Pay utmost attention so as not to damage it.
y After the end of sample cell cleaning, mount the cell in place and proceed to running.
After cleaning sample cell, be sure to perform optical zero adjustment (see
Item 7.3.3) and moisture interference compensation adjustment (see Item
7.3.4).
Top cover
Screw
Cell holding plate
Gas outlet
Sample cell
Screw
Cell holding plate
Gas inlet
Reference cell
Caution
A slightly corroded infrared transmission window or sample cell can be remedied by gently rubbing with chromium oxide powder on cleaning cloth but an excessively corroded one must be replaced.
When cleaning, do not exert an excessive stress.
7- 2
INZ-TN2ZKJ-E
INZ-TN2ZKJ-E
Infrared transmission window
Window holder
O ring
Bonded together
Sample gas inlet
Cell
Sample gas outlet
Fig. 7-1 Structure of sample cell (pipe cell)
7 - 3
7.3.2 Cleaning method for sample cell (block cell) q Turn off the power switch, stop the sample gas, and allow the zero gas to flow for several minutes to purge the cell interior.
Loosen the setscrew (2 pieces) from the top cover and remove it.
w Remove the internal gas inlet tube.
e Loosen the 2 detector set bolts.
Note) The distribution cell, block cell and detector are fastened by the same bolts.
r Using the furnished cell mounting tool, turn the window fixture to the left and remove it from the cell. (See the structure of sample cell (block cell) in
Fig. 7-2.) t For cleaning the infrared transmission window and cell inside surface, first eliminate coarse dust by soft brush or the like and then wipe them by soft rag.
The window is easy to get scratched.
Pay utmost attention so as not to damage it.
y After the end of sample cell cleaning, mount the cell in place and proceed to running.
After cleaning sample cell, be sure to perform optical zero adjustment (see
Item 7.3.3) and moisture interference compensation adjustment (see Item
7.3.4).
Top cover
Gas inlet tube set cap nut
Detector set bolt
Infrared transmission window
Inner O ring
Outer O ring
O ring holder
Window fixture
Caution
A slightly corroded infrared transmission window or sample cell can be remedied by gently rubbing with chromium oxide powder on cleaning cloth but an excessively corroded one must be replaced.
When cleaning, do not exert an excessive stress.
7- 4
INZ-TN2ZKJ-E
Cell mounting tool
Window fixture
O ring holder
Outer O ring
Inner O ring
Infrared transmission window
Sample gas outlet
Sample cell unit
Sample gas inlet
Reference cell unit
Hole for bolt for fixing together with distribution cell and detector
Structure of sample cell (of 32, 16, 8, 4, 2 mm long)
(sample cell and reference cell are integrated)
Note) Use the dedicated cell mounting tool (furnished).
Fig. 7-2 Structure of sample cell (block cell)
INZ-TN2ZKJ-E
7 - 5
7.3.3 Optical zero adjustment method (optical balance adjustment)
Caution
If the following operation is maladjusted, the measurement may adversely be affected. If you are not trained for adjustment, do not carry out this operation but contact the distributor or our serviceman.
The adjustment is performed at reassembly after removing the sample cell, etc. for cleaning, etc.
q Remove the top cover. Allow dry N
2 or air to flow through the analyzer unit sample gas inlet until the reading stabilizes. The sample gas is introduced directly to the INLET of analyzer unit through the gas cylinder.
Piping at optical balance adjustment
Optical system 2
(measuring unit 2)
Short
(not required for measuring unit 1 only)
Open
Optical system 1
(measuring unit 1)
Introduce directly from cylinder w Proceed to an optical adjustment in the maintenance mode. The display on the operation panel of the main unit is as illustrated on the right. (If values are within
±
50, the balance adjustment is unnecessary.) a b c d e f g h
7- 6
<Correspondence between measurement detector and indicated position>
No. of components to be measured
1-component meter a b c d e
– f
– g
– h
–
NO/SO 2
CO 2 /CO
Main
NO
Main
CO 2
Main
Comp
NO
Comp
CO 2
Comp
–
SO 2
Main
CO
Main
–
SO 2
Comp
CO
Comp
–
–
–
–
–
–
–
–
NO/CO
NO
Main
NO
Comp
– –
CO
Main
CO
Comp
– –
3-component meter
NO/SO 2 /CO
NO
Main
NO
Comp
SO 2
Main
SO 2
Comp
CO
Main
CO
Comp
– –
4-component meter
NO/SO 2 /CO 2 /CO
NO
Main
NO
Comp
SO 2
Main
SO 2
Comp
CO 2
Main
–
CO
Main
CO
Comp
* O 2 is excluded from the number of components.
* “Main” is signal input value from the main detector of each component.
“Comp” is signal input value from interference compensation detector of each component.
If low range exceeds the range of 0 to 10vol%, detector signal of “comp” is not usable.
Sensor values of which are not included in measuring components should be ignored.
INZ-TN2ZKJ-E
e Carry out the adjustment in the procedure in r and subsequent.
•
When optical system 1 is adjusted. Get the values at a to d in 1-1 and 1-2 within ±
50 and as near 0 as possible.
•
When optical system 2 is adjusted. Get the values at e to h in 2-1 and 2-2 within ±
50 and as near 0 as possible.
Optical zero adjustment knob r Operate the optical zero adjustment knob to change the value displayed at a (or e ).
Optical system 2 t Move the beamadjustment plate sideview to change the value displayed at b (or f ).
y Move the beam adjustment plate sidewise to change the value displayed at c (or g ).
u Move the beam adjustment plate sidewise to change the value displayed at d (or h ).
i Sequentially repeat steps r to u so that all values will be within
±
50 and as near 0 as possible.
Detector set bolt
Optical system 1
* Adjust the beam adjustment plate which is the nearest to the zero adjustment knob first, and sequentially.
Beam adjustment plate o After the optical balance adjustment, mount the top cover of the analyzer unit, then carry out a moisture interference compensation adjustment, and perform zero and span calibrations.
* Before moving the beam adjustment plate, loosen the detector set bolts (just enough to make the plate movable for snug adjustment).
7.3.4 Moisture interference compensation adjustment method
Caution
If the following operation is maladjusted, the measurement may adversely be affected. If you are not trained for adjustment, do not carry out this operation but contact the distributor or our serviceman.
Proceed to an adjustment if excessively
(beyond
±
2% FS) affected by moisture inteference.
After the end of optical balance adjustment, be sure to carry out moisture inteference compensation adjustment.
q After warm-up, select the low range, allow dry gas (N
2
, air) to flow at 0.5 L/min and carry out zero calibration.
N
2
or air
Water Bubbler
INZ-TN2ZKJ-E
7 - 7
w Display the moisture interference compensation screen of the analyzer unit (see “6.8 Maintenance mode”). Then, introduce bubbled N
2
or air gas to the analyzer (shown on right).
e On the screen, select a CH (component) by
“
ENT
” key, press the “ ” or “ ” key until the analytical value is within
±
10 (as near 0 as possible), and press the “
ENT
” key to register it in the memory. (Exiting by “
ESC
” cancels the adjustment.)
Or, selecting the ALL CH and pressing the
“
ENT
” key, zeroes all components integrally.
(First, adjust all components by selecting
ALL and then perform fine adjustment for components one by one using UP and
DOWN keys.)
* If any components exceed the range of 0 to 10vol%, no adjustment can be performed (No interference compensation is required).
r After the end of adjustment for all components, return the piping to the original status and carry out zero and span calibrations.
7.3.5 Replacement of fuse on analyzer unit
Note) Before the following work, be sure to remove the cause of blown fuse (short, etc) and repair.
q Turn OFF the main power supply SW of the analyzer.
w Loosen setscrews (4 pcs.) from the top of the analyzer and remove the top cover.
e Turn the fuse holder (shown in Fig. 7-3) counterclockwise and put it out, and the cap will be removed. Remove the fuse
(250V AC/3A) from the holder. Replace it with a new one .
r Mount the fuse holder cap and cover for analyzer indication unit in the reverse procedure. Turn ON the power supply SW.
The work will be completed if the analyzer is normally worked.
Fuse holder
Front
Fig. 7-3
7- 8
INZ-TN2ZKJ-E
8 TROUBLE SHOOTING FOR ANALYZER
8.1 Error message
If errors occur, the following contents are displayed.
Error display
Error No.1
Error No.4
Error No.5
Error No.6
Error No.7
Error No.8
Error No.9
Error No.10
Error contents Probable causes
Motor rotation detection signal faulty
Zero calibration is not within.
Amount of zero calibration
(indication value) is over 50% of full scale.
• Motor rotation is faulty or stopped.
• Motor rotation detector circuit is faulty.
Note) Sector motor is a consumption part.
It is recommendable to exchange the motor once two years.
• Zero gas is not supplied.
• Zero is deflected much due to dirty cell.
• Detector is faulty.
• Optical balance is maladjusted.
Span calibration is not within the allowable range.
• Span gas is not supplied.
• Calibrated concentration setting does not
Amount of span calibration
(difference between indication value
match cylinder concentration.
• Zero calibration is not performed normally.
• Span is deflected much due to dirty cell.
and calibrated concentration) is over
50% of full scale.
• Detector sensitivity has deteriorated.
Measured values fluctuate too much during zero and span calibration.
• Calibration gas is not supplied.
• Time for flowing calibration gas is short.
Calibration is abnormal during auto calibration.
• Error corresponding to No. 4 to No. 8
occurred during auto calibration.
Output cable connection is improper.
• Wiring is detached between analyzer and
interface module.
• Wiring is disconnected between analyzer and
interface module.
When errors No. 1 and No. 10 occur, analyzing block error contact output is closed.
When errors No. 4 to No. 9 occurs, calibration error contact output is closed.
Screen display and operation at the occurrence of error
In case of Error No. 1 to No. 4, No. 6, No. 8 to No. 10
Display of error contents
Measurement screen
C H
NO
0-25
2
C H
SO
2
0-100
C H CO
2
0-10
C H CO
0-100
C H
O
2
0-25 ppm ppm vol% ppm vol%
ENT
ESC
the cause of an error, the error will be
displayed again.
• When more than one error occurs, pressing
the key moves to another error display.
INZ-TN2ZKJ-E
8 - 1
In case of Error No. 5 and No. 7
ENT
ENT
Calibrated forcedly
Calibration is continued. Unless another calibration error occurs, calibration is carried out to the end, the
Measurement screen returns.
C H
C H
C H
C H
NO
2
0-25
SO
2
0-100
CO
2
0-10
CO
0-100
C H
O
2
0-25
ESC ppm ppm vol% ppm vol%
Error log file
If error occurs, the history is saved in an error log file. The error log file exists in the maintenance mode.
Error log screen
Day of the week and time when an error occurred.
New
Component with which the error occurred.
Errors that occurred
Old
* Up to 14 errors can be saved in the error history; the oldest error will be deleted one by one every time a new occurs.
* If the power supply is turned OFF, the contents in the error log file will not be lost or damaged.
Deletion of error history
Press the
ENT
key on the above screen, and the “Error Log Clear” will be inverted. Further pressing the
ENT
key will clear the error history.
8 - 2
INZ-TN2ZKJ-E
9.
SPECIFICATIONS
9.1
General specifications
1. Standard specifications
Measurable component and measurement range:
NO
SO
2
CO
2
CO
CH
4
O
2
(built in)
O
2
(external zirconia)
Minimum range Maximum range
0 to 100 ppm 0 to 5000 ppm
0 to 100 ppm
0 to 50 ppm
0 to 10 vol%
0 to 100 vol%
0 to 100 ppm 0 to 100 vol%
0 to 500 ppm 0 to 100 vol%
0 to 5 vol% 0 to 25 vol%
Measured values can also be displayed from externally mounted O
2
analyzer. In case of Zirconia O
2
sensor, measurable range is shown above.
Max. 5 components including O
2
sensor can be measured and 2 measuring ranges are available. For measurable components and possible combinations of measuring range, refer to Tables 1 to 5.
Principle of measurement: No, SO
2
, CO
2
, CO, CH
4
Non-dispersion infrared-ray absorption method, Single light source and double beams (double-beam system)
O
2
; Paramagnetic method (Built-in O
2
meter)
Measured value indication:
Digital indication in 4 digits
(LCD with back light)
Instantaneous value of each component
Display of instantaneous value of each component measurement concentration, O
2 corrected instantaneous value, O
2
correvted average value and O
2
average value
(O
2 average value when only O
2
sensor is connected. Instantaneous value converted into O
2
and average value converted into O
2 are added with measurement of NO, SO
2 and CO only. Display is selectable.
Analog output signals:
4 to 20mA DC or 0 to 1V DC, non-isolated output ; 12 points max.
Analog output corresponds to measured value indication in 1:1.
Permissible load resistance;
550
Ω
max. for 4 to 20 mA
DC100k
Ω
min. for 0 to 1V DC
Analog input signal:
For signal input from externally mounted zirconia O
2
sensor (when ZFK7 is used)
For signal input from externally mounted O
2 analyzer.
0 to 1 VDC from an O
2
analyzer.
Input section is not non-isolated. This feature is effective when an O
2
sensor is not built in.
Input signal triggers measured concentration indication and O
2
correction.
Contact output:
1a contact (250V AC/2A, resistive load)
Instrument error, calibration error, range discrimination, auto calibration status and maintenance status, pump ON/OFF, peak alarm.
1c contact (250V AC/2A, resistive load)
Upper/lower alarm contact output.
(for each channel)
Power disconnection alarm.
* All relay contacts are isolated mutually and from the internal circuit.
Contact input: No-voltage contact (ON/0V, OFF/5V DC,
5mA flowing at ON).
Remote range changeover, auto calibration remote start, remote holding, average value resetting, pump ON/OFF.
Isolated from the internal circuit with photocoupler. Contact inputs are not isolated from one another.
Transmission output:
Solenoid valve drive signal for automatic calibration; open collector output (50 mA or less), used in combination with sampling module.
Rated operating conditions:
Power supply; 85 to 264 V AC, 50/60Hz (3pin inlet terminal used)
Power consumption; 60VA
Ambient temperature; -5˚C to 45˚C
Ambient humidity; 90% RH max.
Storage conditions:
Ambient temperature; -5˚C to 45˚C
Ambient humidity; 100% RH max., non-condensing
Dimensions (H
×
W
×
D):
19
″
rack nounted type: 177
×
483
×
690mm
(Analyzer main unit)
164
×
318
×
55mm
(Input/output terminal module;)
Mass: Approx. 22 kg
Finish color: Front panel; Off-white (Munsell 10Y7.5/0.5 or equivalent)
Casing; Steel-blue (gray)
Enclosure: Steel casing, for indoor use
Material of gas-contacting parts:
Gas inlet/outlet; SUS304
Infrared-ray sample cell;
SUS304/neoprene rubber
Infrared-ray transmitting window;
CaF
2
O
2 sensor sample cell : SUS316
Internal piping; Toaron tube,
Teflon tube
Gas inlet/outlet: Rc1/4 or NPT1/4 internal thread
Purge gas flow rate: 1L/min ( when required)
INZ-TN2ZKJ-E
9 - 1
2. Standard Functions
Output signal holding:
Output signals are held during manual and auto calibrations by activation of holding (turning "ON" its setting).
The values to be held are the ones just before start calibration mode.
Indication values will not be held.
Remote output holding:
Output signal is held at the latest value by short-circuiting the remote output holding input terminals.
Holding is maintained while the terminals are short-circuited. Indication values will not be held.
Remote range changeover:
Measuring range can be changed according to an external signal when remote range changeover input is received.
Changeover is effective only when remote range setting is turned on. In this case, measuring range cannot be changed manually.
When the contact input terminals for each component are short-circuited, the first range is selected, and it is changed over to the second range when the terminals are open.
Range identification signal:
The present measuring range is identified by a contact signal.
The contact output terminals for each component are shortcircuited when the first range is selected, and when the second range is selected, the terminals are open.
Auto calibration:
Auto calibration is carried out periodically at the preset cycle.
When a standard gas cylinder for calibration and a solenoid valve for opening/closing the gas flow line are prepared externally by the customer, calibration will be carried out with the solenoid valve drive contacts for zero calibration and each span calibration turned on/off sequentially at the set auto calibration timing.
Auto calibration cycle setting:
Auto calibration cycle is set.
Setting is variable within 1 to 99 hours (in increments of
1 hour) or 1 to 40 days (in increments of 1 day).
Gas flow time setting:
The time for flowing each calibration gas in auto calibration is set.
Settable within 60 to 599 seconds (in increments of 1 second)
Auto calibration remote start:
Auto calibration is carried out only once according to an external input signal. Calibration sequence is settable in the same way as the general auto calibration.
Auto calibration is started when a no-voltage rectangular wave is applied to the auto calibration remote start input terminals (opened after short-circuiting for 1.5 seconds or longer).
Auto zero calibration:
Auto zero calibration is carried out periodically at the preset cycle.
This cycle is independent on “Auto calibration” cycle.
When zero calibration gas and solenoid valve for opening/ closing the calibration gas flow line are prepared externally by the customer, zero calibration will be carried out with the solenoid valve drive contact for zero calibration turned on/ off at the set auto zero calibration timing.
Auto zero calibration cycle setting:
Auto zero calibration cycle is set.
Setting is variable within 1 to 99 hours (in increments of 1 hour) or setting is variable within 1 to 40 days (in increments of 1 day).
Gas flow time setting:
The timing for flowing zero gas in auto zero calibration is set. Settable 60 to 599 seconds (in increments of 1 second)
Upper/lower limit alarm:
Alarm contact output turns on when measurement value is reached to the preset upper or lower limit alarm value.
Contacts close when the instantaneous value of each component becomes larger than the upper alarm limit value or smaller than the lower alarm limit value.
Instrument error contact output:
Contacts close at occurrence of analyzer error No. 1, 3 or
10.
Calibration error contact output:
Contacts close at occurrence of manual or auto calibration error (any of errors No. 4 to 9).
Auto calibration status and maintenance status contact
outputs: Contacts close during auto calibration and during input of the remote hold signal.
CO concentration peak count alarm:
(added only for CO/O
2
measurement)
Alarm output turns on according to the preset concentration and count.
Whenever the instantaneous concentration value of CO exceeds the preset concentration value, count increments. If the count exceeds the preset value in one hour, the alarm contacts close.
3. Optical functions
O
2
correction:
Correction of measured NO, SO
2
and CO gas concentrations into values at reference O
2
concentration
Correction formula:
21-O n
C = –––––––– x Cs
21-O s
C: Sample gas concentration after O
2
correction
Cs: Measured concentration of sample gas
Os: Measured O
2
concentration
On: Reference O
2
concentration
(value changeable by setting)
* The upper limit value of the fractional part in this calculation is 4.
The result of calculation is indicated and output in an analog output signal.
Average value after O
2
correction and O
2
average value calculation:
The result of O
2
correction or instantaneous O
2
value can be output as an average value in the determined period of time.
Used for averaging is the moving average method in which sampling is carried out at intervals of 30 seconds.
(Output is updated every 30 seconds. It is the average value in the determined period of time just before the latest updating.)
Averaging time is settable within 1 to 59 minutes (in increments of 1 minute) or 1 to 4 hours (in increments of 1 hour).
9 - 2
INZ-TN2ZKJ-E
Average value resetting:
The above-mentioned output of average value is started from the initial state by applying a no-voltage rectangular wave to the average value resetting input terminals
(opened after short-circuiting for 1.5 seconds or longer).
Output is reset by short-circuiting and restarted by opening.
Pump ON/OFF contact output:
During measurement, this contact closes. While calibration gas is flowing, this contact opens. This contact is connected in power supply of pump, and stop the sample gas while calibration gas flowing.
Communication function:
RS-232C (9pins D-sub)
Half-duplex bit serial
Start-stop synchronization
Modbus TM protocol
Contents:
Read/Write parameters
Read measurement concentration and instrument status
Remark:
When connecting via RS-485 interface, an RS-232 RS-485 converter should be used.
6. Installation Requirements
• Select a place where the equipment does not receive direct sunshine, draft/rain or radiation from hot substances.
If such a place cannot be found, a roof or cover should be prepared for protection.
• Avoid a place where receives heavy vibration.
• Select a place where atmospheric air is clean.
4.
Performance
Repeatability:
±
0.5% of full scale
Linearity:
±
1% of full scale
Zero drift:
Span drift:
±
2% of full scale/week
±
2% of full scale/week
Response time (for 90% FS response) :
Within 60 seconds including replacement time of sample gas (when gas flow rate is
0.5L / min).
5.
Standard Requirements for Sample Gas
Flow rate: 0.5L / min
±
0.2L / min
Temperature: 0 to 50˚C
Pressure: 10 kPa or less (Gas outlet side should be open to the atmospheric air.)
100
µ g/Nm 3 in particle size of 1
µ m or Dust: less
Mist:
Moisture:
Unallowable
Below a level where saturation occurs at
2˚C (condensation unallowable).
Corrosive component:
HCl 1 ppm or less
Standard gas for calibration:
Zero gas; Dry N
2
Span gas; Each sample gas having concentration 90 to 100% of its measuring range (recom mended).
In case a zirconia O
2
analyzer is installed externally and calibration is carried out on the same calibration gas line:
Zero gas; Dry air or atmospheric air
(provided without CO
2
sensor)
Span gas; For other than O
2
measure ment, each sample gas having concentration 90 to 100% of its measuring range.
For O
2
measurement, O
2
gas of 1 to 2 vol%.
INZ-TN2ZKJ-E
9 - 3
9.2 Code symbols
Digit
4
Description
<Custom specifications>
Standard
5
6
7
8
9
<Measurable component (SO
2
,CO
2
,CO,CH
4
)>
NO
SO
2
CO
2
CO
CH
2
NO+SO
2
NO+CO
CO
2
+CO
NO+SO
2
+CO
NO+SO
2
+CO
2
+CO
Others
<Measurable component (O
2
)>
None
External zirconia type sensor
External O
2
analyzer
Built-in paramagnetic type O
2
sensor
<Power supply and gas inlet/outlet>
85 to 264V AC Rc1/4
85 to 264V AC Rc1/4, with purging
85 to 264V AC NPT1/4
85 to 264V AC NPT1/4, with purging
<Revision code>
<Structure>
19-inch rack mounting type
19-inch rack mounting type with side rail
10
11
12
<Indication>
In Japanese
In English
<Measuring range> 1st component, 1st range
0 to 50ppm
0 to 100ppm
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
<Measuring range> 1st component, 2nd range
None
0 to 100ppm
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
Basic type: ZKJ M M M M 2 M M M M M M M M M M M M M M M
ZKJ
4 5 6 7 8 9 10 11 12
2
F
E
F
H
G
L
M
Z
P
A
D
B
Y
A
B
C
2
3
0
1
2
B
C
J
E
W
P
X
R
Q
L
M
N
J
K
G
H
C
D
E
F
Y
B
W
P
X
R
Q
L
M
N
G
H
J
K
C
D
E
F
A
B
Digit
13
14
15
16
13 14 15 16
Description
<Measurable component> 2nd component, 1st range
None
0 to 100ppm
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
<Measurable component> 2nd component, 2nd range
None
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
<Measurable component> 3rd component, 1st range
None
0 to 100ppm
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
<Measurable component> 3rd component, 2nd range
None
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
E
F
G
H
J
C
D
Y
B
K
Q
L
M
N
W
P
X
R
L
M
N
W
P
X
R
E
F
G
H
Y
C
D
J
K
Q
N
W
P
X
R
K
Q
L
M
H
J
F
G
Y
C
D
E
G
H
J
E
F
C
D
Y
B
K
Q
L
M
N
W
P
X
R
9 - 4
INZ-TN2ZKJ-E
Digit
17
18
19
20
21
22
23
Description
<Measurable range> 4th component, 1st range
None
0 to 100ppm
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
<Measurable range> 4th component, 2nd range
None
0 to 200ppm
0 to 250ppm
0 to 500ppm
0 to 1000ppm
0 to 2000ppm
0 to 5000ppm
0 to 1%
0 to 2%
0 to 3%
0 to 5%
0 to 10%
0 to 20%
0 to 40%
0 to 50%
0 to 70%
0 to 100%
<O
2
analyzer, 1st range>
None
0 to 5%
0 to 10%
0 to 25%
<O
2
analyzer, 2nd range>
None
0 to 10%
0 to 25%
<Output>
4 to 20mA DC
0 to 1V DC
4 to 20mA DC + Communication function
0 to 1V DC + Communication function
<O
2
correction and O
2
average value output>
None
With O
2
correction output
With peak count alarm
With O
2
correction and O
2
average value
<Adjustment>
For combustion exhaust gas
Others
17 18 19 20 21 22 23
Y
B
C
D
E
F
G
H
J
K
Q
L
M
N
W
P
X
R
A
B
C
D
L
M
N
W
P
X
R
G
H
E
F
Y
C
D
J
K
Q
M
V
Y
L
Y
M
V
Y
A
B
C
A
Z
INZ-TN2ZKJ-E
9 - 5
9.3 Outline diagram
<Analyzer main unit>
<Upper> <Side>
M4(for mounting slide rail)
9 - 6
Power switch
DISPLAY
465
483
Switch for back light
429
Connector for input/output
terminal module Power inlet
<Rear>
38
Sample gas outlet Rc1/4 or NPT1/4
Sample gas inlet Rc1/4 or NPT1/4
<Front>
INZ-TN2ZKJ-E
<Input/output terminal module>
150
316
6-
φ
4.5
hole
150 8
<Cable for connecting input /output terminal>
TN1 TN2 TN3 TN4 TN5
(280)
CN3
8
1000
±
30
INZ-TN2ZKJ-E
9 - 7
Outline diagram of accessory slide rail (unit: mm)
* The slide rails are attached to this equipment when designated.
Closed
Model: 305A-24/Accuride International Inc.
Cabinet member
1.5t
Intermediate member
Drawer member
1.5t
632
(22.7)
15.9
±
0.3
12.7
±
0.3
The same or less
Open
577.8
±
0.3
577.8
±
0.3
111.1
±
0.3
609.6
±
0.3
577.8
±
0.3
12.7
±
0.3
Reinforcement plate
19.1
±
0.3
12.7
±
0.3
15.9
±
0.5
123.8
±
0.3
288.9
±
0.3
4.5
466.7
±
0.3
606.6
±
0.8
×
5.3
4.5
×
5.3
19 inch rack mounting method:
The instrument weight should be supported at the base (at the sides in case of slide rail method).
For easy maintenance, it is recommended to select the method to allow withdrawing along the slide rail.
Slide rail mounting method Guild rail mounting method
Rack dimensions Rack dimensions
450 or more
465
Mounting dimensions
450 or more
465
Mounting dimensions
Slide rail Guide rail
9 - 8
Guide rail
In selecting the guide rail mounting method, provide a maintenance space (200 mm or more) at top of the rack.
INZ-TN2ZKJ-E
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