BJ194E-9SY Multi-function Power Meter User Manual

BJ194E-9SY Multi-function Power Meter User Manual
Chongqing Blue Jay Electronic Co.,Ltd
Product Manual
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BJ194E-9SY Multi-function Power Meter
User Manual
Version:
:1.1
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Chongqing Blue Jay Electronic Co.,Ltd
Product Manual
Read me
When you use BJ194E-9SY series Power Meter, be sure to carefully read this user
manual, and be able to fully understand the implications, the correct guidance of
operations in accordance with user manual, which will help you make better use
BJ194E-9SY series Power Meter, and help to solve the various problems at the scene.
1. Before the meter turning on the power supply, be sure that the power supply within the
provisions of the instrument;
2. When installation, the current input terminal must non-open, voltage input terminals must
Non-short circuit;
3. Communication terminal (RS232 or RS485) is strictly prohibited to impose high pressure;
4. Be sure the instrument wiring consistent with the internal system settings;
5. When communicating with the PC, instrument communication parameters must be consistent
with the PC
● Please read carefully before using this user manual
● Please save this document
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Directory
CONTENTS
Page
1. SUMMARIZE------------------------------------------------------------------------------------------------------- 3
2. APPLICATIONS --------------------------------------------------------------------------------------------------- 3
3. FEATURES --------------------------------------------------------------------------------------------------------- 4
3.1. - Electricity metering ---------------------------------------------------------------------------------------- 4
3.2. - Specifications ----------------------------------------------------------------------------------------------- 5
4.- INSTALLATION AND START-UP ------------------------------------------------------------------------- 7
4.1. – Installation ------------------------------------------------------------------------------------------------ 7
4.2. - Connection Terminal (see label on the rear part) -------------------------------------------------- 8
4.3. - Connection Drawing for the BJ194E-9SY ----------------------------------------------------------- 10
5. SCREEN DISPLAY
------------------------------------------------------------------------------------------- 12
5.1. - Panel Diagram --------------------------------------------------------------------------------------------- 12
5.2. - Display Summary ----------------------------------------------------------------------------------------- 12
6. OPERATING INSTRUCTIONS ------------------------------------------------------------------------------- 14
7. SETUP PROCEDURE ------------------------------------------------------------------------------------------ 15
7.1. - Password Enter -------------------------------------------------------------------------------------------- 15
7.2. - System Display Settings --------------------------------------------------------------------------------- 15
7.3. - Input Signal Selection ------------------------------------------------------------------------------------ 17
7.4. - Communication Preferences --------------------------------------------------------------------------- 21
7.5. - Menu Structure -------------------------------------------------------------------------------------------- 23
7.6. - Display Character instructions ------------------------------------------------------------------------- 24
8. SAFETY CONSIDERATIONS -------------------------------------------------------------------------------- 25
9. MAINTENANCE -------------------------------------------------------------------------------------------------- 25
10. TECHNICAL SERVICE --------------------------------------------------------------------------------------- 26
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1. - SUMMARIZE
BJ194E-9SY Series Power Meter is used for power quality monitoring, factory automation
and building automation.
It can measure all of the power parameters in power grid:
Current,
Voltage,
Frequency,
Active power,
Reactive power,
Apparent power,
Energy,
Power factor,
Also can transmit the parameter into 1 route analog outputs or 1 route pulse output. For
transformers, generators, capacitor banks and motors of the distributed detection, automatic
control system, on-line monitoring display.
It can replace the traditional analog or many digital measurement instruments (such as
ammeter, voltmeter, power meter, power factor meter, frequency meter, etc.), greatly reduce
system cost, convenient on-site wiring, improve system reliability. BJ194E-9SY Power Meter has
serial port, can connection to PC; Uses Modbus to set programming and read the data.
Based on this power meters, can simply set up a monitoring system, that only use the IPC
and central software.
2. - APPLICATIONS
◆ All power parameter measurement;
◆ Power factor measurement and control;
◆ Energy Measurement;
◆ Replace the three-phase power meter, three phase electricity transmitter;
◆ Transformers, generators, capacitors and electric motors distributed detection;
◆ Medium and low pressure systems;
◆ SCADA, EMS, DCS integrators.
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3. - FEATURES
3.1. - Electricity metering
By means of an internal microprocessor it simultaneously measures:
Parameter
Symbol
A-phase
B-phase
C-phase
Average
Single phase voltage
V
x
x
x
*Phase-phase voltage
V
x
x
x
Current
A
x
x
x
Frequency
Hz
x
x
x
x
Power factor
Cos Φ
x
x
x
x
Active power
W
x
x
x
x
Reactive power
Var
x
x
x
x
Active energy
Wh
x
x
x
x
Reactive energy
Varh
x
x
x
x
Notes: Phase-phase voltage is Uab, Ubc, Uca, voltage data determined by the different wiring
Available: x: Display and communications.
The 194E-9SY delivers the visualization of above listed parameters by means of LCD display. All
the parameters can be simultaneously read in the screen.
OTHER FEATURES
- Low-size (96 x 96 mm), panel-mounting meter.
- True R.M.S. measuring system.
- Instantaneous, maximum and minimum values of each measured parameter.
- Energy measurement (indication through a lighting led)
- Have Analogue outputs, Standard output is 4~20 mA, 0~20mA, 0~5VDC (One of the above)
- RS-485 or RS-232 type communication to a PC (optional)
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3.2. - Specifications
1. - Reference standard:
Basic electricity: GB/T13850-1998 (IEC688-1992)
Active power: GB/T17215-2002 (IEC61036:2000)
Reactive power: GB/T17882-1999 (IEC61268:1995)
2- Accuracy standards
Parameter
Accuracy
A phase
B phase
C phase
Voltage
Current
Active Power
Reactive Power
Apparent power
Power Factor
Active Energy
Reactive Energy
Frequency
0.5%fs
0.5%fs
0.5%fs
0.5%fs
0.5%fs
0.5%fs
1%rd
2%rd
0.05%rd
V1
A1
W1
var1
VA1
PF1
V2
A2
W2
var2
VA2
PF2
V3
A3
W3
var3
VA3
PF3
All
Averag
e
VE
AE
W
var
VA
PF
Wh
varh
Hz
3. - Input
Voltage: Rated 400V (optional 100V)
Current: Rated 5A (optional 1A)
Frequency: 45-65Hz
4. - Load
Voltage: <0.5VA / phase (rated 220V)
Current: <0.5VA / phase (rated 5A)
5. - Overload
Current: 1.2 times rated continuous; 10 seconds for 10 times the rated
Voltage: 1.2 times the rated continuous; 10 seconds for 800V
6. - Dielectric strength
IEC 688 / IEC 255-3 (1989)
2kV AC RMS 1 minute, between input / output / case / power supply
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7. - EMC Test
Electrostatic discharge immunity
test:
Electrical fast transient burst
immunity test
Surge (Shock) immunity test
standard
Test voltage
IEC-61000-4-2
level 4
8Kv
IEC61000-4-4
level 3
Input 1kV; Power supply 2kV
IEC61000-4-5
level 4
common mode test voltage
4kV
8. - Work environment
Temperature: -20℃~ +60℃
Humidity: RH 20%~95%(No condensation)
9. - Protection
Panel: IP40
10. - Storage Conditions
Temperature: -25℃~+70℃
Humidity: RH 20%~95%
11. - Working Power
AC 80-265V, 45-65Hz, DC 80-380V
DC 20-60V (Optional)
Maximum power consumption 6W
12. - Dimensions
L × W × H =96mm×96mm×128mm
13. - Installation hole size
L × W = (91+0.8mm) × (91+0.8mm)
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4.- INSTALLATION AND START-UP
The manual you hold in your hand contains information and warnings that the user
should respect in order to guarantee a proper operation of all the instrument
functions and keep its safety conditions. The instrument must not be powered on and
used until its definitive assembly on the cabinet’s door.
If the instrument is not used as manufacturer’s specifications, the protection of the
instrument will be damaged.
When any protection failure is suspected to exist (for example, it presents external visible
damages),the instrument must be immediately powered off. In this case contact a qualified
service representative.
4.1.- Installation
Mounting
Instrument is to be mounted on panel (cut-out 91+0.8 x 91+0.8 mm). All connections keep inside
the cabinet.
Note that with the instrument powered on, the terminals could be dangerous to touching and
cover opening actions or elements removal may allow accessing dangerous parts.
Therefore, the instrument must not be used until this is completely installed.
Notes:
Input signal: BJ194E using a separate acquisition calculate for each measurement channel,
to ensure consistent in use, for different load forms, it’s a variety of connection mode.
A. Voltage input:
Input voltage should not exceed the rated input voltage products (100V or 400V),
Otherwise, should use external CT, the input voltage to be installed in the 1A fuse.
B. Current Input:
Standard input current is 5A, if greater than 5A should use external CT.
Even if you are using on the CT are connecting with other instruments, wiring methods should
be used in series. Before remove the current input connection, must be sure to disconnect the
primary circuit or shorted secondary circuit of CT. Suggest using the terminal block, please not
directly connect to CT, in order to facilitate disassembly.
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C. Please make sure that the input voltage and current corresponding to the same phase
sequence, and the same direction; Otherwise, the Values and symbols will wrong!!
(Power and Energy)
The input network configuration of instrument depends on the CT number of the system:
in the condition of 2 CT, select the three-phase, three-lines two components;
in the condition of 3 CT, select the three-phase, four-lines three component mode.
Instrument connection mode, set of the instrument (programming input network NET) should be
the same load wiring as measured wiring. Otherwise, the measurement instrument will lead to
incorrect voltage or power.
In three-phase three-wire mode, the measurement and shows the line voltage;
In three-phase four-wire mode, the measurement and shows the phase voltage.
Auxiliary power:
BJ194E Series Power Meter with universal (AC / DC) power input, if not for a special statement,
we provide the 220VAC/DC or 110VAC/DC power interface for standard products. Instruments
limit work power supply: AC / DC (80-270V), please ensure that the auxiliary power can match
for BJ194E series meter to prevent damage to the product.
A. Suggest install 1A fuse in the fire line side.
B. For the areas with poor power quality, suggest install lightning surge suppressor and rapid
burst suppressor to prevent lightning strikes.
4.2. - Connection terminal (see label on the rear part)
Terminal description
Upper connection terminal
1
2
Power supply
58
59
60
RS485A
RS485B
GUD
46
47
AP+ AP-
48
49
RP+
RP-
1. *Supply voltage input: 0 V
2. *Supply voltage input: 220 Va.c.
58. RS-485 ( + )
59. RS-485 ( - )
60. RS-485 ( GND )
46. Pulse output +
47. Pulse output 48. Analog output +
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Lower connection terminal
Three-phase network.- 4 wires
4
5
A-phase Current
6
7
B-phase Current
8
9
C-phase Current
11 12 13 14
Ua
Ub
Uc
Un
4. Current A-phase - S1 input
5. Current A-phase - S2 input
6. Current B-phase - S1 input
7. Current B-phase - S2 input
8. Current C-phase - S1 input
9. Current C-phase - S2 input
11. Voltage A-phase input
12. Voltage B-phase input
13. Voltage C-phase input
14. Neutral Voltage input
Three-phase network.- 3 wires
4
5
A-phase Current
6
7
B-phase Current
8
9
C-phase Current
11 12 13 14
Ua
Ub
Uc
Un
4. Current A-phase - S1 input
5. Current A-phase - S2 input
6. Current B-phase - S1 input
7. Current B-phase - S2 input
8. Current C-phase - S1 input
9. Current C-phase - S2 input
11. Voltage A-phase input
12. Voltage B-phase input
13. Voltage C-phase input
14. Neutral Voltage input
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4.3. - Connection Drawing for the BJ194E-9SY
a. - Three-phase network.- 4 wires (low voltage) :
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b. - Three-phase network.- 3 wires (low voltage) :
IMPORTANT REMARK!
If power = -0.01 is shown for any of the phases and voltage and current are not zero for this
phase, check out following points:
- Assure that A, B and C phases coincide in voltage and current.
- Correct polarity? Reverse the current transformer placed at this phase.
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5. SCREEN DISPLAY
5.1. - Panel diagram
5.2. - Display Summary
Four lines of “
”
digits in the metering area
Main display area: display metering data such as
voltage, current, power, power factor, frequency,
unbalance, phase angle, etc;
Nine “
Display energy data and real-time clock.
” digits in the bottom
One line "
" letter at
Display currant status
the top of display panel
Energy icon:
Imp, Exp
Net, Total
Imp: import energy;
Exp: export energy;
Net: algebraic sum of Imp and Exp energy;
Total: absolute sum of Imp and Exp energy
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: inductive load
Load nature
: capacitive load
No label: no communication
With label: communication
Communication indicator
Prompt
A-B, B-C, C-A,
Avg, SUM, N, Σ
Measuring power direction
and quadrant
A, B, C for 3 phase A, B, C;
A-B, B-C, C-A, for 3 phase line-to-line AB, BC, CA;
Avg for average;
N for neutral;
Σ means the total
reserved
4 route digital input state
Two route digital output state
Unit:
V
A
KVA
MKW
MKvar MKVA
MKWh MKvar
Hz PF
%
Units of measurement data:
Current A, KA;
Voltage V, KV;
Active power W, KW, MW;
Reactive power var, K var, M var;
Apparent power VA, KVA, MVA;
Active energy: KWh, MWh;
Reactive energy Kvarh, Mvarh
Frequency: Hz;
Percentage : %.
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6. - OPERATION MODE
When the 194E-9SY is powered up, all the character will on, and meter start self- test, after
some seconds, the meter is ready for operation and shows one of the available screens.
Parameters on display can be switch by pressing the key
indicates the parameters shown on screen at any moment.
or
. LED on the right
Whether the key
is press, the next led will be on, so indicating that for this screen
CURRENT values of each phase are now shown.
Pressing again the key
, the next led will be on, and the screen will shown following
parameters, and so successively.
At programming display mode, press
and
to increase or decrease the value,
pressing the key
and
or
and
the instantaneous at the same time, value
can increase or decrease number “x10”.
Pressing the "Manu" key the can open the programming menu and return to previous menu.
Pressing the “Enter” key, you exit it with saving any modification that you might have done,
in menu operation press “Enter” key ,user can go to the next menu.
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7. - SETUP PROCEDURE
The SETUP procedure of the BJ194E-9SY is performed by means of several SETUP options.
Once into the SETUP, use the keyboard to select different options and enter required variables:
1. Password enters;
2. Choice of default initial screen;
3. Input signal selection;
4. Communication preferences.
7.1. - Password enters
A 4-figure password is required to be entered (in case that this password is not correct, will
not be set on the meter).
At normal display mode, press
press
to enter the programming mode, meter display, then
;
Meter display “
”,
Ask for the password. Press
password. After password switch press
and
to increase or decrease the number, to switch
to confirm the input.
If password is correct, meter can enter next setting.
7.2. - System display settings
7.2.1. - Choice of default initial screen
This option allows choice among fixed or rotary screen:
After password, you will see the meter show “Set” like this:
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Press
to go to the level 2 menu, use
Product Manual
and
to choose item “DISP”,
You will see the meter show “Display” like this:
Press
, then enter the level 3 menu, user can use
0-6, meaning as the following:
and
to choose number
0. Rotary screen display:
Meter can show data as this cycle: Current; Voltage; Active power, Reactive Power, Power
factor; Frequency; Active Energy; Reactive Energy.
All 5 screens are successively shown at intervals of 5 s.
1-6 Fixed screen:
1. Three-phase current display:
Meter display always three-phase current data in main display. And positive active energy
shows in the bottom display.
2. Three-phase voltage display
Meter display always three-phase voltage data in main display. And positive reactive
energy shows in the bottom display
3. Power and negative active energy display:
Meter display always three-phase power data in main display. And negative active energy
shows in the bottom display.
4. Power factor and negative reactive energy:
Meter display always three-phase PF data in main display. And negative active energy
shows in the bottom display.
5. Apparent power display:
Meter display always three-phase apparent power data in main display
6. Reactive power and positive active energy display:
Meter display always three-phase reactive power data in main display.
And positive positive active energy shows in the bottom display
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7.2.2. - Clear energy counters
In “Set” menu, user can deleting energy counters.
Enter “Set” menu, in level 2 menu, use
like this:
Press
and
to choose item “CLr.E”, meter show
to confirm clear all the energy data, meter display:
And then press
again, to save the operation and exit.
7.3. - Input signal selection
Press
, return to level 1 menu.
In this section, user will set:
1. Input net mode;
2. Voltage measure range select;
3. Current measure range select;
4. Voltage transformation ratio;
5. Current transformation ratio.
7.3.1.- Choice the input net mode
In level 1 menu, use
and
to choose item “INPT”, meter show like this:
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then press
, enter the level 2 menu, choose “NET”, meter show:
then press
Use
Product Manual
again, enter the level 3 menu.
and
to select the right wiring mode, meter show like this:
Or
N.3.4: Three-phase four-wire, wiring reference section 4.3 a.
N.3.3: Three-phase three-wire, wiring reference section 4.3 b.
Note: Select the wiring mode must match actual wiring, or the reading data will go wrong.
7.3.2.- Choice voltage measure range
In level 1 menu of “INPT”.
Choose item “U.SCL”, meter show like this:
then press
, enter the level 3 menu, user can change the voltage range:
Or
400V: Maximum measured value is 400V
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100V: Maximum measured value is 100V
Note: Select a different range will affect the accuracy of measurements, if the accuracy is 0.5.
Select 100V range, means the minimum scale value is 0.5V (100 x 0.5%);
Select 400V range, means the minimum scale value is 2V (400 x 0.5%).
7.3.3.- Current measure range select
In level 1 menu of “INPT”.
Choose “I.SCL”, meter show like this:
then press
, enter the level 3 menu, user can change the current range:
Or
5A: Maximum measured value is 5A.
1A: Maximum measured value is 1A.
Note: Select a different range will affect the accuracy of measurements, if the accuracy is 0.5.
Select 1A range, means the minimum scale value is 0.005A (1 x 0.5%);
Select 5A range, means the minimum scale value is 0.025A (5 x 0.5%).
7.3.4- Voltage transformation ratio
In level 1 menu of “INPT”.
Choose item “T.U” , meter show like this:
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then press
Product Manual
, enter the level 3 menu, allowing us to set the current transformer.
To write or modify the value just repeatedly press
or
, pressing the key
and
or
and
the instantaneous at the same time, value can increase or
decrease the number “x10”, Input value is 1~9999.
Note: The input values represent the voltage transformer (primary side voltage) / (secondary
side voltage).
Secondary side voltage is 100V or 400V; user set it at section 7.3.2
7.3.5. - Current transformation ratio
In level 1 menu of “INPT”.
Choose the item “T.I”, meter show like this:
then press
, enter the level 3 menu, allowing us to set the current transformer.
To write or modify the value just repeatedly press
or
, pressing the key
or
and
the instantaneous at the same time, value can increase or
decrease the number “x10”, Input value is 1~9999.
and
Note: The input values represent the current transformer (primary side voltage) / (secondary
side current).
Secondary side current is 1A or 5A; user set it at section 7.3.3.
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7.4. - Communication Preferences
Press
, return to level 1 menu.
In this section, user will set:
1. Meter communication address;
2. Baud rate;
3. Communication format.
Note: Not all the meter have communication function, please make sure your purchase
meter first, if no communication mode, you can skip this section.
7.4.1. - Meter communication address setting
One or some BJ194Umeter can be connected to a P.C. With this system we can get all the
parameters in one central point of reading. The BJ194..., has a serial RS-485 or RS-232 type
output (according to the model). If we connect more than one device to the same communication
line (RS-485), we have to assign to each of them a different code or direction (from 1 to 247),
since the P.C. needs the identification of every measuring point.
In level 1 menu, choose the item “CONN”, the meter show like this:
Then press
, enter the level 2 menu, choose the item “SN”, meter show like this:
Then press
to level 3 menu, to write or modify the value just repeatedly press
or
,pressing the key
and
or
and
the instantaneous at the same
time, value can increase or decrease the number “x10”, Input value is 1~247.
7.4.2.- Communication Baud rate setting
In level 1 menu of “CONN”.
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Choose item “BAUD”, meter show like this:
then press
, enter the level 3 menu, allowing us to set the Baud rate 4800 or 9600.
Or
7.4.3.- Choose communication format
In level 1 menu of “CONN”.
Choose item “Protocol”, meter show like this:
then press
, enter the level 3 menu, allowing us to set the Word communication or Byte
communication. (Factory setting word communication)
Tel: +0086-023-86850812
Email:[email protected]
Fax:+0086-023-67636974
Add: Building 13, 2-8, Jialing third village Pioneer Park, Jiangbei District, Chongqing
- 22 -
Chongqing Blue Jay Electronic Co.,Ltd
Product Manual
7.5. – Menu Structure
level 1
Level 2
——
(Password) CODE
Level 3
Password data
9999
Description
Only when the correct password
to enter programming)
(The default password is 0001)
(System set) SET
(Signal input)
INPT
(Communication
Parameters)
CONN
DISP
0-10
Select the display mode,
automatic or individual
CLR.E
——
Energy will clear after confirmed
(Net) NET
N.3.4 and N.3.3
Select the input signal network
measurement
(Voltage Range)
U.SCL
400V and 100V
Select the range of measured
voltage signal
(Current Range)
I.SCL
5A and 1A
Select the range of measured
current signal
(Voltage
transformation ratio)
T.U
1-9999
Setting voltage signal
transformation ratio = 1 / 2 scale
(Current
transformation ratio)
T.I
1-9999
Setting current signal
transformation ratio = 1 / 2 scale
(Address) SN
1-247
Instrument address range 1-247
(Communication
speed) BAUD
4800~9600
Baud Rate 4800、9600
Protocol PROT
Word or Byte
communication
Factory default communication
mode for the word
Tel: +0086-023-86850812
Email:[email protected]
Fax:+0086-023-67636974
Add: Building 13, 2-8, Jialing third village Pioneer Park, Jiangbei District, Chongqing
- 23 -
Chongqing Blue Jay Electronic Co.,Ltd
Product Manual
7.6. - Display Character instructions
Tel: +0086-023-86850812
Email:[email protected]
Fax:+0086-023-67636974
Add: Building 13, 2-8, Jialing third village Pioneer Park, Jiangbei District, Chongqing
- 24 -
Chongqing Blue Jay Electronic Co.,Ltd
Product Manual
8. - SAFETY CONSIDERATIONS
All installation specification described at the previous chapters named:
INSTALLATION AND STARTUP, INSTALLATION MODES and
SPECIFICATIONS.
Note that with the instrument powered on, the terminals could be dangerous to touching and
cover opening actions or elements removal may allow accessing dangerous parts. This
instrument is factory-shipped at proper operation condition.
9. - MAINTENANCE
The 194E does not require any special maintenance. No adjustment, maintenance or
repairing action should be done when the instrument open and powered on, should those actions
are essential, high-qualified operators must perform them.
Before any adjustment, replacement, maintenance or repairing operation is carried out, the
instrument must be disconnected from any power supply source.
When any protection failure is suspected to exist, the instrument must be immediately put out
of service. The instrument’s design allows a quick replacement in case of any failure.
Tel: +0086-023-86850812
Email:[email protected]
Fax:+0086-023-67636974
Add: Building 13, 2-8, Jialing third village Pioneer Park, Jiangbei District, Chongqing
- 25 -
Chongqing Blue Jay Electronic Co.,Ltd
Product Manual
10. - TECHNICAL SERVICE
FAQ’s
1. The BJ-194E Power Meter, once cabled and connected is seen to give a correct voltage and
current reading, but shows negative values for active power (generation).
This is an error with the cabling for the current transformer secondary; the direction of the
transformer current has to be respected as shown in the connection diagram. The current
transformers have a two face primary; the current must pass from P1 to P2 giving the result in
secondary (S1 and S2) of 5 amps.
The error stems from:
a). The current transformers have been incorrectly installed. As a result it gives the
direction of the current as passing from P2 to P1; to resolve this problem, the current
transformer does not have to be dismantled and installed again, but the transformer
secondary (S1 and S2) just has to be inverted.
b). The connection of the current secondary in the current transformers have been
incorrectly connected; to resolve this problem just connect the S1 transformer secondary to
the S1 on the meter and the S2 on the current transformer to the S2 on the meter
2. The BJ-194E, once cabled and connected, is seen to give an incoherent Power factor and
CosΦ reading (-0.01 or similar).
This is again a current transformer and voltage phase connection error phase A, must
correspond to the current transformer installed in phase A; phase B, must correspond to the
current transformer installed in phase B; and phase C, must correspond to the current
transformer installed in phase C.
This connection is clearly shown on the back of the analyzer.
3.
The BJ-194E is measuring in average voltage and is displaying the secondary voltage (for
example 110 volts).
Ensure that the voltage Transformer ratio has been correctly set (see section on 7.3.4).
Tel: +0086-023-86850812
Email:[email protected]
Fax:+0086-023-67636974
Add: Building 13, 2-8, Jialing third village Pioneer Park, Jiangbei District, Chongqing
- 26 -
Chongqing Blue Jay Electronic Co.,Ltd
4.
Product Manual
The BJ-194E does not correctly display the current reading. It shows values varying between
0 to 5 amps of current.
Ensure that the Transformer ratio has been correctly set; once correctly set the current
measurement shall be shown correctly (see section on 7.3.5).
For any inquiry about the instrument performance or whether any failure happens, please contact
to Blue Jay’s technical service.
Blue Jay - After-sales service
Redstone Road 2# 17-3
Jiangbei District , 400020 Chongqing
Tel - + 0086 023 67636974
Fax - + 0086 023 67636974
E-mail: [email protected]
Tel: +0086-023-86850812
Email:[email protected]
Fax:+0086-023-67636974
Add: Building 13, 2-8, Jialing third village Pioneer Park, Jiangbei District, Chongqing
- 27 -
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