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LamaPLC: XTM35SC Modbus communication

XTM35SC Other unit names:


The XTM35SC is an inexpensive current meter that can be purchased (e.g. on Amazon). It measures consumption, voltage and current on one phase. It does not require an external measuring ring. Suitable for home automation and smaller equipment. Of course, it is not MID compliant. The measurement results can also be queried remotely via Modbus RTU communication.

Description:

Specification:

Wiring

XTM35SC Wiring

Modbus maps

RS485 communication interface, MODBUS RTU protocol:

32 bit (2 words) input registers

The registers are read-only.

Register Nr32 bit addressDescriptionNote
300000Voltage (V)
300084Current (A)
300189Power (W)
3002613Volt-ampere reactive (var)
3004221Power factor - Leistungsfaktor (pf - W/VA)
3005427Frequency - Frequenz (Hz)
30256128Energy - Energie (kWh)

32 bit (2 words) holding registers

The registers are read / write.

Register Nr32 bit addressDescriptionNote
400000BaudrateDefault value: 9600
400084--
400126--
400168Modbus RTU AddressDefault value: 45
4002412-Default value: 1000
4003216--


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