Note: SDM630MCT-ML has 2 modes of communication address. The modes can be set by pressing the buttons on
the meter or via RS485 Modbus.
Mode 1: Single communication address mode. Under this mode, the register address of different channels (CH01-
CH04) will be showed in segments. Channel 1(CH01) will be matched to 0~2999; Channel 2(CH02) 3000~5999;
Channel 3(CH03) 6000~8999, and Channel 4(CH04) 9000~11999.
Mode 2: Multi communication addresses mode. Under this mode, each meter will have 4 different modbus
addresses. Each channel (CH01-CH04) matches to one modbus address and all the channels share the same
registers. The measurement data will be distinguished by different Modbus addresses. Therefore, each
SDM630MCT-ML can be used as 4 normal meters.
Please check the protocol for detailed explanation of register codes.
2.4 Performance criteria
◆ Operation humidity: ≤90%
◆ Storage humidity: ≤95%
◆ Operating temperature: -25℃~+55℃
◆ Storage temperature: -40℃~+70℃
◆ International standard：GB-T 17215/ IEC62053-21/ EN50470-1/3
◆ Accuracy class: Class 1
◆ Installation category: CATIII
◆ Protection against penetration of dust and water: IP51 (indoor)
◆ Insulating encased meter of protective class: II
◆ Altitude: ≤2000m
2.5 Dimensions
Front View: Side View:
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