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SOMMY EW9L Series Operation Manual

3 phase energy meter

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EW9系列三相智能电量仪表操作说明书
EW9L Series 3 Phase Energy Meter Operation Manual
The energy meters are widely applied to control system, SCADA system and energy management system, transformer substation automation,
distributing net automation, community electrical power monitor, industrial automation, intelligent construction, intelligent switchboard, switch
cabinet, etc. It is esay to install and maintain, simple connection, filed programmable setting input parameters.
Features:
Measurement Parameters: 3 phase Voltage/Current/Active power/Reactive power/Frequency/Power factor ect , 28 parameters.
⊙Four switch signal input, two switch signal output; isolation for input and output.
Ture effective value measuring;
With programmable analog output function , analog output for voltage/current/active power/reactive power/fequency/power factor.
With RS485 connection and Modbus RTU communication protocol.
With 2 loops active power/reactive power energy pulse output, 2 programmable alarm, display programmable setted parameters
With power failure function for display menu select/KWH/KvarH
Optional tariff statistics function, with demand statistics function.
Optional harmonic analysis funtion (including the total harmonic).
With neutrual line measurement function.
Warning: any operation not following the manual will cause accident and damage to the product.
Statement: Information provided in this manual can be modified without prior notice.
The company reserves the right of interpretation of the information.
Model
E W 9 L
□ □
Model Illustration
Model
Alarm
-
-
EW9L
C
-
-
EW9L
S
-
-
EW9L
F
-
-
EW9L
H
Technical Parameters
Connection
Voltage Range
Voltage Overload
Voltage Consumption
C/S/F/H
Extensions: C: 4~20mA analog output
there would be two less DI connection) F: With Multi-tarrif rate function
measurement
Measuring Range: A: 100V/5A Blank: 400V/5A (default range) C: custom range
Measurement type: W: 3 phase integrated measurement
S: 3 phase voltage/ current
Display: L: LCD display
Dimension: 9: 96H×96W×104.6L(mm)
EW Series 3 phase energy meter
Transformed analog output
2
4 ~ 20mA
2
No
2
No
2
No
3 phase 3 wires, 3 phase 4 wires
AC 3x57.7V / 3X220V (note: Direct input volt: L-N: 0~600V, L-L: 0~1000V)
Continuous: 1.2 times Instantaneous: 2 times/10S
<1VA
(each phase)
page 1/15
S: two loops RS485 communication (If select this function,
T: TFT color LCD display
Communication
1 loop RS485
2 loop RS485
1 loop RS485
1 loop RS485
H: Harmonics measurement
P: 3 phase voltage/ current/ active power
Harmonic
Tariff
No
No
No
No
No
Yes
Yes
No
KKEW9LC05-A/0-20160901
.

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Summary of Contents for SOMMY EW9L Series

  • Page 1 EW9系列三相智能电量仪表操作说明书 EW9L Series 3 Phase Energy Meter Operation Manual The energy meters are widely applied to control system, SCADA system and energy management system, transformer substation automation, distributing net automation, community electrical power monitor, industrial automation, intelligent construction, intelligent switchboard, switch cabinet, etc.
  • Page 2: Panel Indication

    ≥300KΩ Voltage impedance Voltage Accuracy RMS measurement , Accuracy : 0.5 AC 0.025 ~ 5A Current Range Current Overload Continuous: 1.2 times Instantaneous: 10 times/10S Current Consumption <0.4VA (each phase) <20mΩ Current impedance Current Accuracy RMS measurement , Accuracy : 0.5 Frequency 30-500Hz , Accuracy: 0.1Hz Power...
  • Page 3 Shift measurement interface operation : Total power / power factor power factor , frequency 3 phase volt ( phase volt or line volt) 3 phase current Total voltage Total current harmonics harmonics percentage maximum demand demand percentage A Phase B Phase C Phase parameters parameters...
  • Page 4 Meter’s address range flash Communication parameters Baud Rate flash Data format flash 1st Alarm mode flash switch signal setting 1st Alarm unit flash 1st alarm value setting flash 1st alarm Hysteresis value setting flash 1st alarm relay output choice flash 1st alarm start delay flash 1st alarm finish delay...
  • Page 5 1st transmition high limit value flash 1st transmition low limit value flash year flash Time setting Month flash flash Hour flash Minute flash Second flash Period 1 tarrif rate flash Tariff rate setting Period 2 tarrif rate flash Period 12 tarrif rate flash period 1 start time flash...
  • Page 6 Menu Operation Illustration Under user menu status 1. Press key more than 5 seconds to enter user menu; if the user password is set, it will pop up the password input box, enter the correct password to enter the user menu, and then set the parameters. 2.
  • Page 7: Output Function

    transmit mode Please refer to table 1 selection 1: means international standard unit, K: means 1000 transmit value times of international standard unit, M: means1000000 unit times of international standard unit. Analog transmit high Transmit output 20mA output limit transmit low limit Transmit output 4mA Year Year...
  • Page 8: Communication Protocol

    一、MODBUS serial communication protocol EW9L series energy meter adopts Modbus RTU communication protocol RS485 half duplex communication , read function code 0x03, write function code 0x10 , adopts 16 digit CRC check, the energy meter does not feedback the check error.
  • Page 9 Host request Slave address Read function code Register address (variable) Register quantity CRC check code Start address CRC code CRC code Start address High bit Low bit Meter address Function code low bit low bit high bit high bit 0x01 0x03 0x40 0x00...
  • Page 10 Host request (Write multi-register) Start Start Data byte Data byte Data byte CRC code Function Data 1 CRC code Meter Data 1 length address length address length low bit high bit code high bit low bit address high bit low bit low bit high bit 0 x0 1...
  • Page 11 active power maximum demand 0x4048 long reactive power demand 0.001 long 0x404A reactive power maximum demand long 0x404C A phase voltage harmonic content 0x4052 long B phase voltage harmonic content long 0x4054 C phase voltage harmonic content 0x4056 long A phase current harmonic content 0x4058 long Note...
  • Page 12 extend 0x4980 1st transmit mode (refer to table 1) No decimal point 0x4981 1st transmit unit note ④ extend Link mode note 0x4a00 ① Communication address No decimal point 0x4a01 Baud rate 0x4a02 note ② 0x4a03 Data format note ⑧ switch output note 0x4a07...
  • Page 13 reactive power maxi demand happen time: day 0x4c0E 0x4c0F reactive power maxi demand happen time: hour no decimal point 0x4c10 reactive power maxi demand happen time:minute reactive power maxi demand happen time: second 0x4c11 Reference table 1: Reference table for alarm output and transmit output Parameter transmit output code 4-20mA switch output code low alarm...
  • Page 14 Note: 1. Connection mode Note:2. Baud rate Note: 4. Alarm/Analog Unit Communication Communication Communication value value value Menu display 3-4 3-3 Menu display 4.8 9.6 Menu display Note : Measure Satus Indication (switch output) ③ AL1 status 0: No alarm 1: Alarm AL2 status 0: No alarm 1: Alarm Note ⑤: measure status indication(switch input) S1 status: 0:close 2: disconnect...
  • Page 15: Wire Connection

    Wire Connection SCOM Note: 1. For voltage input connection terminal,bracket terminals (Ua) (Uc) (Ub) shows 3 phase 3 wire connection method, 2. Current input is current input terminal , all the inputs and outputs must be coherent Model 1: (3pcs CT) 3 phase 4 wire working mode Model 2: (2pcs CT): 3 phase 3 wire working mode Current input Voltage input...

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