Eastron SDM120 Modbus User Manual

Eastron SDM120Modbus User Manual
Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 83698882Fax: 0086-573-83698883
Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn email: steven@eastron.com.cn
SDM120Modbus
Single-Phase Multifunction DIN rail Meter
 Measures kWh, Kvarh, KW, Kvar, KVA, PF, Hz, dmd, V, A, etc.
 Di-directional measurement IMP & EXP
 Two pulse outputs
 RS485 Modbus
 Din rail mounting 17.5mm
 45A direct connection
 Better than Class 1 / B accuracy
User Manual V2.2
2014

Eastron SDM120 Modbus Specifications

General

Model	SDM120 Modbus
Communication Protocol	Modbus RTU
Display	LCD
Mounting	DIN Rail
Accuracy	Class 1
Standards	IEC 62053-21
Measurement Parameters	Voltage, Current, Power, Energy
Power Supply	230V AC
Baud Rate	2400, 4800, 9600 bps
Operating Temperature	-25°C to 55°C
Storage Temperature	-40°C to +70°C
Humidity	≤ 95% non-condensing
Voltage Range	230V
Weight	Approx. 0.2 kg

Summary

Application

General Specifications

Accuracy

Environment

Output

Pulse Output

The meter provides two pulse outputs. Both pulse outputs are passive type.

RS485 output for Modbus RTU

The meter provides a RS485 port for remote communication. Modbus RTU is the protocol applied.

Mechanics

Initialization Display

Scroll Display by button

Set-up Mode

Wiring diagram

Dimensions

Installation