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SET

Operational Instruction Manual

Single-Phase

Digital Combined Meter

Please read through the manual before installment and operation

Chapter 1. Technical parameters

--1

Single-Phase Digital Combined Meter

1.1 Measuring range

1.1.1 Voltage: Direct measurement:AC 0~600V

Accessory device:AC 0~9999KV(PT */ 100V)

1.1.2 Current:Direct measurement:AC 0~10A

Accessory device:AC 0~9999A(CT */ 5A)

1.1.3 Ffrequency:45~65Hz

1.1.4 Active Power:0~9999KW,Reacitve Power 0~9999KVar

1.1.5 Power Factor:0 000C~0 500C~1 000~0 000L~0 500L

1.2 Accuracy rating :±0 5 FS±1 digit

1.3 Sampling rate: about 1 times/s

1.4 Measuring display mode: RMS measurement, four-digit LED nixietube display

1.5 Display resolution: Max. display resolution 0.001A,0.1V,0.01Hz

1.6 Input circuit consumption: current<0.5VA,voltage<1VA

1.7 Auxiliary power supply: AC 220V,50/60Hz Can customize other values

1.8 Auxiliary supply consumption:< 3VA

1.9 Overflow indication: Displaying character”HHHH”

1.10 Alarm Output: Higher and lower limit alarm output by two groups of reply, contact

rating is AC250V/2A DC30V/2A

1.11 Transmitting output: can be set freely as DC 0~10mA 0~20mA or 4~20mA,

accuracy rating is ±0.5 % FS,electrical isolation between the signal input and

auxiliary power supply

1.12 Transmitting output load resistance 500

1.13 Communication interface RS485 serial communication applying MODBUS_RTU

communication protocol

1.14 Operational environment: free of corrosive gas with temperature of -10~50°C ,

and humidity 85%RH

：

.....

、

：

、

：，

()

≤Ω

Note: communication output, alarm output, transmitting output are additional functions.Note: communication output, alarm output, transmitting output are additional functions.

Chapter 2. Installment and connection

--2

SET

120×120Square

96×96Square

80×80Square

72×72Square

48×48Square

120 120

96 96

80 80

7272

4848

110 110

90 90

74 74

66 66

44 44

112112

92 92

76 76

68 68

45 45

21. Shape and cutout hole dimension(unit mm):

Shape

Panel dimension Case dimension

Cutout hole dimension

WHW WHHD

2.2 Method of installation

Choose the corresponding hole cutout dimension from the table above , make

a hole in the installation screen, insert the instruments into the hole, place the

four clamping pieces into the clamping holder and push and tighten them by hand.

2.3 Wiring instructions

2.3.1 Terminal arrangement and function declaration of instrument(please accord

to the one of instrument case)

Auxiliary power supply (POWER) AC 220V,50/60Hz(Can customize other values)

Electrical quantity signal input(INPUT) : U* andI * represent live wire terminal

of AC voltage input signal and inlet wire terminal of AC current input signal.When

the voltage is higher than the rated input voltage of the product,you should consider

of using PT and installing fuse of 1A at the voltage input port; while the current is

higher than rated input current of the product, you should consider of using the

exterior CT

--3

Chapter 3. Programming and usage

3.1 Panel description

SET

Voltage display screen

Current display screen

Other Parameters

display screen

Set key

Shift key

Up key

Down key

3.2 Key function

Set key Press this key 2s to enter the programmable mode Under the

programmable mode it is used to save and return to the menu

Shift key Under the programmable mode it is used to left shift the cursor

one digit,and quit the programmable mode and return to the measuring

value display interface.

Down key: under the programmable mode,it is used for degression of parameter

value or enter the next menu.

Up key:under the programmable mode,it is used for progressive increase of

parameter value or enter the previous menu.

;

SET

2.3.2 Typical connection

UU*II*

Voltage≤600V,input directly

Current≤5A,input directly

Voltage≤600V,input directly

Current 5A,input via CT

Voltage 600V,input via PT>

Current 5A,input via CT>

--4

(Display value)

SET

SET SET

SET

SET SET

SET

SET SET

SET

3.4 Menu framework

Press

(

)

multiplying power of voltage

transformer 1~9999：

(

：)

multiplying power of current

transformer 1~9999

(：)RS485 communication address 1~247

()Communication baud rate

:， : ， )

1st channel relay alarm fuction settings

OFF off AH high alarm AL: low alarm

(:.)1st channel relay alarm value setting 0 150 0~%

:，， )

Analog quantity output fuction settings

OFF off 4 20:4 20mA 0 20 0 20mA-- -:-

(

)

Analog quantity output value settings,

20mA corresponds to the full range,

range: 0~150.0%, the default 100%

()1st relay alarm object selection

()Analog quantity output object selection

SET

Press When the parameters were modified

--5

3.5 Menu significations

Under the programmable mode, four menu setting items including of signal

input, communication, switching value output annlog quantity output.Signal

input code: ;communication code: ;switching value output code: ;

annlog quantity output: .

0001 0002 0003

0004

0001, 0002

0003, 0004

1 9999~

1 247~

1200, 2400

4800, 9600

OFF

0 150 0~.%

OFF

Menu Parameter Description

Signal input code: ;Communication code: ;

Switching value output code: ;

Annlog quantity output: .

0001 0002

0003

0004

Set multiplying power of voltage transformer:PT

(Primary value/second value of voltage transformer)

for example PT=10KV/100V=100:

Set multiplying power of current transformer:CT

(Primary value/second value of current transformer)

for example CT=300A/50A=60:

RS485 communication address 1~247：

Communication baud rate

1st channel relay alarm fuction settings

OFF off AH high alarm AL:low alarm

::，，

1st channel relay alarm value setting 0 150 0:.~%

1st channel relay alarm object selection

U:voltage I current F frequency

P:active power H:power Factor

,: , : ,

2nd channel relay alarm fuction settings

OFF off AH high alarm AL low alarm

::，，:

,, , ,UIFPH

0 150 0~.%

OFF

020

420

UIFPH,, , ,

0 150 0~.%

2nd channel relay alarm object selection

U:voltage I current F frequency

P:active power H:power Factor

,: , : ,

2nd channel relay alarm value setting 0 150 0:.~%

Analog quantity output fuction settings

OFF off 4 20:4 20mA 0 20 0 20mA

:，，-- -:-

Analog quantity output value settings,

20mA corresponds to the full scale,

range: 0~150.0%, the default 100%

Analog quantity output object selection

U:voltage I current F frequency

P:active power H:power Factor

,: , : ,

,, , ,UIFPH

--6

3.6 Programming operation examples

The measuring range of instruments has been set as the same parameters

provided by users at the factory. Users should check if the input network, voltage/

current measuring range and transformer multiplying power are consistent with

the actual input again before use.

SET SET SET

SETSETSET

SET SET

SET

Example 1 The factory default parameter is AC 5A( ) If the current transformer

is 100A 5A should modify the CT multiplying power as 20(100/5)

:CT 1

Press

Display

value

Display

value

Display

value

--7

Example 1 The factory default parameter is AC 5A( ) If the current transformer

is 1000A 5A should modify the CT multiplying power as 200(1000/5)

:CT 1

SET SET SET

SETSETSET

SET SET

SET

Display

value

Display

value

Display

value Press

Chapter 4.Cautions

4.1 Please confirm if the power supply, input signal and each terminal wiring of

the meter are correct and reliable before applying the power.

4.2 The instrument must be preheated for 15 minutes to guarantee the precision

of measurement.

4.3 The instrument should not be rapped, knocked and vibrate excessively and

its using environment should meet the technical requirements.

4.4 The meter has been calibrated according to the measuring range required

by the customer upon order. The user should check once again if the measuring

range of the meter is fit with the specifications of the transformer and set the

measuring range again if not.

Chapter 5. Packing and Storage

The instrument and accessories with packing should keep storage conditions

cool and dry and free of wet and corrosive gas with temperature not more than

70°Cand not less than -40°C,and relative humidity≤85%RH.

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