LT470 Digital Indicating Controller

LT470 Digital Indicating Controller
DIGITAL INDICATING CONTROLLER
LT470 SERIES
LT470 series, 1/4 DIN size, new digital indicating
controllers feature all functions including 5-digit
display, newly developed PID algorithms and the
new learning type overshoot suppression function
JyroNavi which are convenient in various control
applications.
„ MODEL (The figure of 1 in … shows a standard specification.)
LT47… … … …
1 …
1 …-………
Input signal
0: Universal input
Control output 1 (Heating)
1: On-off pulse type
2: On-off servo type
3: Current output type
5: SSR drive pulse type
6: Voltage output type
U: Multiple control output type
(On-off pulse type/current output
type/SSR drive pulse type)
Control output 2 (Cooling) (option)
(This option cannot be applied to the Control output 1 of
on-off servo type or multiple output type.)
0:
1:
3:
5:
6:
Not provided
On-off pulse type
Current output type
SSR drive pulse type
Voltage output type
Remote contacts input (standard)/
Communications interface (option)
1: Remote contacts input 4 points (std)
R: RS-232C (option)
A: RS-422A (option)
S: RS-485 (option)
0: Not provided (option)
(The remote contacts input is equipped as standard
when you select a communications interface.)
„ FEATURES
y High accurate setting by 5-digit display
y Universal input
y New PID algorithms built-in
y New learning type overshoot suppression function
JyroNavi built-in
y MODBUS protocol communications for easy
system configuration
y Remote contacts input and retransmission output
are built-in as standard.
y Various functions are built-in for easy control.
y Only 7mm thickness of the front panel
y Conformance to CE, UL and CSA
(UL, CSA: Approval pending)
y Water-proof conforming to NEMA250 4X
(equivalent to IEC529 IP66) (option)
„ MEASURING RANGES
Retransmission signal output
1: 4 to 20mA (standard)
2: 0 to 1V (option)
3: 0 to 10V (option)
0: Not provided (option)
Input type
Input range
B
0.0
to
1820.0ºC
32
to
3300 ºF
R
0.0
to
1760.0ºC
32
to
3200 ºF
S
0.0
to
1760.0ºC
32
to
3200 ºF
Remote signal input (option)
N
0.0
to
1300.0ºC
32
to
2350 ºF
(This option is combined with the option of 2-point
additional event. When you select the remote signal
input, please specify the code of additional event as 1
or 3.)
K
-200.0
to
1370.0ºC
E
-200.0
to
700.0ºC
0:
5:
6:
7:
Not provided
4 to 20mA
0 to 1V
0 to 10V
T/C
Additional event (option)/CT (option) *
0: Not provided
1: Event 2 points
2: Heater disconnection (CT)
3: Event 2-point + heater disconnection (CT)
RTD
Water-proof
0: Not provided
1: NEMA250 4X (IEC529 IP66)
DC
voltage
Power voltage
A: 100 to 240VAC (universal)
DC
current
* The heater disconnection (CT) is only applied to
the Control output 1 of on-off pulse type or SSR
drive pulse type.
1
-300
to
2450 ºF
-300.0
to
1250.0ºF
1650.0ºF
J
-200.0
to
900.0ºC
-300.0
to
T
-200.0
to
400.0ºC
-300.0
to
700.0ºF
U
-200.0
to
400.0ºC
-300.0
to
700.0ºF
L
-200.0
1650.0ºF
to
900.0ºC
-300.0
to
WRe5-WRe26
0
to
2310 ºC
32
to
4190 ºF
W-WRe26
0
to
2310 ºC
32
to
4190 ºF
PtRh40-PtRh20
0.0
to
1880.0ºC
32
to
3400 ºF
Platinel II
0.0
to
1390.0ºC
32
to
2500 ºF
-200.0
to
850.0ºC
-300.0
to
1500.0ºF
JPt100
-200.0
to
649.0ºC
-300.0
to
1200.0ºF
20mV
0 to 20mV (0.00 to 20.00)
5V
0 to 5V (0.000 to 5.000)
10V
0 to 10V (0.000 to 10.000)
20mA *
4 to 20mA (1.000 to 5.000
- Converted into voltage value)
Pt100
Scaling setting range:
-19999 to 20000
Decimal place can
adjusted.
be
Note: For the current input, a 250Ω shunt resistor (sold separately) is
required.
PSEPSE-304A
Output specifications:
y On-off pulse type
Output signal … On-off pulse conductive signal
Contact ratings …
Resistive load 100VAC 5A, 240VAC 5A, 30VDC 5A
Inductive load 100VAC 2.5A, 240VAC 2.5A, 30VDC 2.5A
Electrical relay life … More than 100,000 times
Pulse cycle … Approx. 1 second to 180 seconds adjustable
Contact protection element … Not built-in [If required, add a
contact protection element (sold separately) externally.]
y Current output type
Output signal … 4 to 20mADC, Load resistance … 600Ω or less
y SSR drive pulse type
Output signal … On-off pulse voltage signal
At ON 12VDC ± 20% (load current … 20mA or less)
At OFF 0.8VDC or less
Pulse cycle … Approx. 1 second to 180 seconds adjustable
y On-off servo type
Output signal … On-off conductive signal
Feedback resistance… 100Ω to 2.5kΩ
Contact ratings …
Resistive load 100VAC 5A, 240VAC 5A, 30VDC 5A
Inductive load 100VAC 2.5A, 240VAC 2.5A, 30VDC 2.5A
Minimum load 5VDC or more, 10mADC or more
Electrical relay life … More than 100,000 times
Contact protection element … Not built-in [If required, add a
contact protection element (sold separately) externally.]
Combination adjustment … Manual or auto-tuning
y Voltage output type
Output signal … 0 to 10VDC
Output resistance … Approx. 10Ω
Load resistance … 50kΩ or more
Output limiter: 4 sets switching (interlocking to SV)
High limit … 0.0 to 105.0%, Low limit … -5.0 to 100.0%
Output variation limiter: 4 sets switching (interlocking to SV)
Rising … 0.1 to 100.0%, Falling … -100.0 to -0.1%
Output preset: -100.0 to 100.0%
PV error output: -5.0 to 105.0%
Run/Ready: Run/ready (control stop, output: preset output
value) selectable
Preset output: -5.0 to 105.0%
Control at power recovery: Continuous/ready selectable
Auto-output/man-output (AUTO/MANUAL): Balanceless bumpless
switching
„ SPECIFICATIONS
INPUT SPECIFICATIONS
Input signal:
Thermocouple … B, R, S, N, K, E, J, T, U, L, WRe5-WRe26,
W-WRe26, PtRh40-PtRh20, Platinel II
Resistance thermometer … Pt100, JPt100
DC voltage … 0 to 20mV, 0 to 5V, 0 to 10V
DC current … 4 to 20mA [By using a 250Ω shunt resistor (sold
separately) and 5V range (1 to 5V)]
Measuring range:
Refer to the list of measuring ranges.
Total of 20 kinds consisted of 14 kinds of thermocouple, 2 kinds of
resistance thermometer, 3 kinds of dc voltage, and 1 kind of dc current
Accuracy ratings:
±0.1% of measuring range ± 1 digit (at reference operation
conditions), exception PtRh40-PtRh20: ±0.3% ± 1 digit
Refer to the details of accuracy ratings.
Reference junction compensation accuracy:
±1.0ºC (23ºC ± 10ºC), ±2.0ºC (-10 to 50ºC)
Temperature unit: ºC or ºF
Sampling period: Approx. 0.2 second
Burnout: Up scale/down scale (selectable)
Allowable signal source resistance:
Thermocouple/mV input … 250Ω or less
V input … 1kΩ or less
Resistance thermometer input … 10Ω or less (per wire)
Input resistance: Thermocouple/DC voltage … 1MΩ or more
DC current … Approx. 250Ω
Measuring current: Resistance thermometer … 1mA ± 20%
Measuring input shift (sensor correction):
Can be set with the resolution of 0.1 times the setting resolution
of SV (-19999 to 20000)
Digital filter: 0.0 to 99.9 seconds
Scaling: Range/scale of DC voltage/current input (-19999 to
20000), optional setting
Scale decimal point: 0 to 4
Maximum allowable input range: DC voltage …±10VDC
RTD …±5VDC
Maximum common mode voltage: 30VAC
Common mode rejection ratio:
130dB or more (50/60Hz) (signal source resistance 1Ω or less)
Series mode rejection ratio:
50dB or more (50/60Hz) (signal source resistance 1Ω or less)
CONTROL SPECIFICATIONS
EVENT SPECIFICATIONS
Control cycle time: Approx. 0.2 second
Control system:
On-off pulse type PID system
Current output type PID system
SSR drive pulse type PID system
On-off servo type PID system
Voltage output type PID system
Multiple control type (on-off pulse type/current output type/SSR
drive pulse type) PID system
* 2-position control is selectable.
Control setpoint: 4 sets switching, 5-digit setting
Setpoint limiter: Within measuring range
Setpoint ramp function:
Setpoint ramp unit … ºC/second, ºC/minute, ºC/hour (common to
rising/falling)
Setpoint rising ramp: 0 to 20000 (0 = no operation)
Setpoint falling ramp: 0 to 20000 (0 = no operation)
PV start function … At SV change, power-on, MAN to AUTO, etc.
Control setpoint accuracy ratings:
Relative error to displayed value … ± 1 digit
Auto-tuning: Standard (Manual setting of PID constants enabled)
PID constants:
4 sets switching (interlocking to SV)
P … 0.1 (0.0) to 999.9% (0 = 2-position)
I … 0 to 9999 seconds
D … 0 to 9999 seconds
PID deadband (gap):
0.0 to 9.9% (4 sets switching, interlocking to SV)
Anti-reset windup:
High limit … 0.0 to 100.0%, Low limit … -100.0 to 0.0%
Overshoot suppression function:
On/off selectable (4 sets independent switching, interlocking to
SV, independent keeping of learned results)
Control operation:
With direct/reverse action switching
Event point: 2 points (Additional 2 points can be added. – option)
Event type:
Setting to each of Event 1/2
Absolute value alarm … High/low, standby enabled/disabled
Deviation alarm … High/low, standby enabled/disabled
Absolute value deviation alarm … High/low, standby enabled/disabled
Setpoint alarm … High/low, standby enabled/disabled
Output value alarm … High/low, standby enabled/disabled
Abnormal control loop, fail, heater disconnection alarm, timer function
Event setpoint: Event 1/2, 4 sets individual setting
Event deadband: Can be set by the resolution of 0.1 times the
setting resolution of SV, Setting to each Event 1/2
Event delay: 0 to 9999 seconds
Event output phase: Normal/reverse selectable
Event output at Ready: Off/computation selectable
Event output:
Output signal … Form A relay output
Contact ratings …
Resistive load 100VAC 3A, 240VAC 3A, 30VDC 3A
Inductive load 100VAC 1.5A, 240VAC 1.5A, 30VDC 1.5A
Minimum load 5VDC or more, 10mADC or more
Electrical relay life … More than 100,000 times
Contact protection element … Not built-in [If required, add a
contact protection element (sold separately) externally.]
RETRANSMISSION OUTPUT SPECIFICATIONS
Output signal being proportioned to the setpoint, the measured
value, control output value, etc.
Output signal:
1 kind to be specified from 4 to 20mADC (load resistance …
400Ω or less), 0 to 1VDC, or 0 to 10VDC (output resistance …
approx. 10Ω, load resistance … 50kΩ or more)
Output accuracy: ±0.2% of retransmission scale range
Output resolution: Approx. 1/30000
Retransmission scale: -19999 to 20000, optional setting
2
REMOTE CONTACTS INPUT SPECIFICATIONS
INTERNATIONAL STANDARDS
Following functions enabled by the remote contacts input
Input point: 4 points (No-voltage contacts or transistor open collector)
(Remote contacts rating …5VDC or more, 2mA or more)
Function:
The following functions are allocated by parameter settings.
CE: EN61326+A1 *, EN61010+A2
UL: UL3121-1 (approval pending)
CSA (C-UL): C22.2, No. 1010 (approval pending)
NEMA: NEMA250 4X (front panel: option) (equivalent to IEC529 IP66)
Note: Not available in closed-installation
* The display of the measured value and output may vary up to ±10% or ±2mV under the
(1) Setpoint external switching, (2) Auto/man external switching
(3) Run/ready switching, (4) Timer start-up, (5) Holding of the setpoint
ramp operation, (6) Resetting of the setpoint ramp operation,
(7) Remote/local switching
EMC test ambient.
„ ACCURACY RATINGS
Input
DISPLAY/SETTING SPECIFICATIONS
Accuracy ratings
B
Display type: 5-digit seven-segment LED display, two lines
Status display … 8 independent LEDs
Deviation display … 2-segment
Display content:
First LED (green) display …
At operation mode: Measured value (PV)
Decimal place of PV is optionally set in 0 to 4.
At setting mode: Parameter item
Second LED (red) display …
At operation mode: Setpoint (SV) or control output value (OUT)
At setting mode: Parameter or data monitoring (operation mode)
Status (red/green) …
EV1 (red): Lights when EV1 is activated.
EV2 (red): Lights when EV2 is activated.
MAN (red): Lights when the control output value is set manually.
SV1/2/3/4 (green): The number selected is lit.
OUT (green):Lights when the control output value is
displayed in the second display.
Deviation display (green) …
U or V lights in accordance with
deviation (settable).
Operation mode display:
No display function of the operation mode screen, 5 levels
Automatic return: Returns to operation mode if any key is not
pressed for more than 1 minute in setting mode.
Password: No display function of the setting mode screen by a
password, 3 levels
Key lock: Locking function of parameters, 5 levels
Eng. port: Communications enabled by connecting the exclusive cable
(Model: RZ-EC1) to the Eng. port at the upper side of the case.
Parameter programming software package available (release shortly)
T/C
R
S
N, K, E, J, T, U, L
WRe5-WRe26
W-WRe26
Platinel II
±0.1% ± 1 digit
exception:
±0.2% ± 1 digit
for -200ºC to 0ºC
PtRh40-PtRh20
±0.3% ± 1 digit
DC voltage
Pt100
JPt100
mV, V
DC current
mA
RTD
Details
Not specified for less than 400ºC
400ºC to 800ºC: ±0.2% ± 1 digit
0ºC to 400ºC: ±0.2% ± 1 digit
0ºC to 400ºC: ±0.2% ± 1 digit
0ºC to 400ºC: ±0.4% ± 1 digit
0ºC to 400ºC: ±2% ± 1 digit
400ºC to 800ºC: ±1% ± 1 digit
±0.1% ± 1 digit
±0.1% ± 1 digit
±0.1% ± 1 digit
By using the shunt resistor specified
for current input
„ OPTIONS
Option
Control output 2
(Heating/
cooling)
Communications
interface
(RS-232C,
RS-422A or
RS-485)
GENERAL SPECIFICATIONS
Rated power voltage: 100 to 240VAC 50/60Hz (universal)
Allowable power voltage: 90 to 264VAC
Power consumption: Approx. 16VA (max.)
Operation conditions:
Operation
Reference condition
Normal condition
Ambient
23ºC ± 2ºC
-10 to 50ºC
temperature
(Max.
40ºC
for
closed-installation)
Ambient humidity
55% ± 5%RH
20 to 90%RH
Power supply
100VAC ± 1%
90V to 264VAC
Power frequency
50Hz/60Hz ± 1%
50Hz/60Hz ± 2%
Mounting angle
Forward/backward
Forward/backward
±3 degrees or less
±10 degrees or less
Vibration/impact
0m/s2 / 0m/s2
2m/s2 / 0m/s2
Ambient temperature change ratio: 10ºC/H or less
Warm-up time: 30 minutes or more
Power interruption: Parameters are memorized by EEPROM
(Writing: Approx. 100,000 times)
Insulation resistance:
Between primary side terminals (*1) and secondary side
terminals (*2) 20MΩ or more at 500VDC
Dielectric strength:
Between primary side terminals (*1) and secondary side
terminals (*2) 1 minute at 1500VAC
*1 = Terminals of power supply, control output event relay output
*2 = Terminals except above
Front and case: Front … Non-flammable ABS
Case … Non-flammable polycarbonate resin
Color: Gray
Installation: Flush panel installation
Weight: Approx. 350 to 500g (max.)
Transportation/storage condition (with packing at shipment):
Ambient temperature … -20 to 60ºC
Ambient humidity … 5 to 95%RH (no dew condensation)
Vibration … 0 to 4.9m/s2 (10 to 60Hz)
Impact … 400m/s2 or less
Remote
input
signal
Heater
disconnection
detection
Water-proof
3
Contents
Control calculation:
Matching
computation/cooling
proportion
computation switching
Matching computation parameters
y Split direct … 0.0 to 60.0%
y Split reverse … 40.0 to 100.0%
Cooling proportion computation parameters
y Cooling proportional band coefficient …
0.00 to 10.00
y Deadband … -50.0 to 50.0%
Pulse cycle: 1 second to 180 seconds (cooling side)
The setpoint and the measured value can be
transmitted to a master CPU, and the parameters can
be set by the master CPU.
Protocol: MODBUS, RTU mode/Ascii mode switching,
and private protocol
Address: 01 to 99
Communications function: 1 kind to be specified from
setpoint/data transmission, digital transmission, or
digital remote
Remote input function
By the remote contacts, Remote or Local can be
selected, and the setpoint can be set in Remote.
This function can be used in a secondary controller
for cascade control.
Input signal:
1 kind to be specified from 4 to 20mADC (input
resistance approx. 50Ω), 0 to 1VDC (input
resistance approx. 500kΩ or more), or 0 to
10VDC (input resistance approx. 100kΩ or
more)
Input accuracy: ±0.3% of input range ± 1 digit
Input resolution: Approx. 1/40000
Remote scale:
Optional setting from –19999 to 20000
Remote shift:
Can be set by the resolution being 0.1 times the
setting resolution of SV (-19999 to 20000)
Cascade primary controller function
Cascade calculation:
SV2 = (a + d x SV1/100) x MV1 + b + c x SV1
SV2 … SV (%) of secondary controller
SV1 … SV (%) of primary controller
MV1 … PID constants (%) of primary controller
Cascade parameters:
a = primary ratio fixed parameter … 0.01 to 1.00
b = primary bias fixed parameter …
-100.0 to 100.0%
c = Primary bias variable parameter … 0.00 to 1.00
d = Primary ratio variable parameter… 0.00 to 1.00
Function to detect the heater disconnection by CT
input (CT: separate purchase required)
Input signal: 5.0 to 50.0AAC (50/60Hz)
Input accuracy: ±5% of full scale ± 1 digit
Resolution: Approx. 1/400
Recommended CT: Model CTL-6-S-H
For water-proofing of the front panel, a rubber packing
is inserted between a controller and a panel board.
NEMA250 4X (equivalent to IEC529, IP66)
This option cannot be applied for closed-installation.
„ TERMINAL BOARD
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
6
16
26
7
17
27
8
28
18
35
36
37
38
45
46
56
47
57
48
1
+
58
9
19
29
39
49
59
10
20
30
40
50
50
Note) 1. All terminal screws are M3.5.
2. For Y-tip or O-tip, use it with
the outside dimension of 7mm
or less.
T/C
No. RS-232C RS-422A RS-485
RTD
+
2
A
B
3
B
4
55
* For current input
SD
11
12
RD
13
SDA
SA
SDB
SB
RDA
RDB
14
15
SG
16
DI1+
17
DI2+
18
DI3+
SG
SG
Connect a shunt resistor (250Ω, sold separately) to + and – terminals.
Control output 1 (heating)
25
15
No.
Communications interface
21
No.
On-off pulse type
multiple output 1
(On-off pulse output)
SSR drive pulse type
Current output type
Voltage output type
6
H (NC)
+
7
C (COM)
8
L (NO)
9
L (live)
10
N (Neutral)
On-off servo type
See
Line C
Remote contacts input
11
Voltage
(current *)
Measuring input
1
5
Line B Communications/remote contacts input
Line A Measuring input/control output 1/power supply
E
C
Power
B
A
19
DI4+
20
DI-COM
Line C Retransmission output/control output 2/CT/event output … differs on output type of heating control.
Line E Remote contacts input, etc.
No.
No.
21
Standard
+
H (NC)
24
C (COM)
25
L (NO)
+
Control output 2
(cooling)
No.
R1 (open)
23
RC (common)
24
R2 (close)
25
M3 (close)
26
M2 (open)
27
M1 (common)
CT
27
CT
28
EV1
Buffer relay
28
29
EV2
Buffer relay
30
COM12
Power
CT input
21
22
26
Note) The retransmission output is in
On-off servo type
21
Retransmission
output
22
23
No.
Multiple type
+
22
100 to
2kΩ
Multiple output 2
(SSR drive pulse)
24
26
Multiple output 3
(Current output)
26
R/L+
Remote/Local
27
R/L-COM
*
22
23
+
25
M
21
23
24
+
+
Retransmission
output
+
Retransmission output
(On-off servo type only)
Remote input
25
Power
27
EV1
Buffer relay
28
EV1
Buffer relay
28
EV3
Buffer relay
29
EV2
Buffer relay
29
EV2
Buffer relay
29
EV4
Buffer relay
30
COM12
Power
30
COM12
Power
30
COM34
Power
Line E for on-off servo type and in
Line C for other types.
* R/L: Analog remote/local switching
(ON: Remote, OFF: Local)
„ DIMENSIONS AND PANEL CUTOUT (Steel plate with thickness of 1 to 10mm is recommended for installation.)
„ ACCESSORIES (Separate purchase is required.)
Accessory
CT (current transformer)
Terminal cover
Shunt resistor for current input (250Ω )
Remarks
Recommendation: Model CTL-6-S-H
The depth is extended to 132mm by the terminal cover.
For measurement by DC current of 4 to 20mA
Specifications subject to change without notice. Printed in Japan (I)
32-8, KUMANO-CHO, ITABASHI-KU, TOKYO 173-8632
PHONE: +81-3-3956-2171
FAX: +81-3-3956-0915
E-mail: [email protected]
Website: http://www.chino.co.jp
4
2002.1
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