smart-me electricity meter / Modbus TCP Template

Installation

1. 1Connect the smart-me meter to the local network via Ethernet or Wi-Fi and confirm that Modbus TCP is enabled in the smart-me device settings.
2. 2Note the IP address assigned to the smart-me meter and verify connectivity by pinging it from a device on the same network.
3. 3Connect your ModbusCloud gateway (MCG or MLP series) to the same local network as the smart-me meter.
4. 4Import the smart-me electricity meter Modbus TCP template into your ModbusCloud project and enter the meter IP address and Modbus TCP port (default 502).
5. 5Apply scaling factors in ModbusCloud to convert milliwatts, millivolts, milliamps, and millivar-hours to standard units (divide raw values by 1000).
6. 6Verify that live readings appear on the ModbusCloud dashboard and match the values shown on the meter display or smart-me cloud portal.

Things to watch for

01

Why do the readings in ModbusCloud show very large numbers instead of normal values?

smart-me meters report values in milli-units. Voltages are in millivolts, currents in milliamps, and power in milliwatts. Apply a scaling factor of 0.001 (divide by 1000) in ModbusCloud to convert to volts, amps, and watts.

02

Which Modbus TCP port does the smart-me meter use?

The default Modbus TCP port is 502. Ensure this port is not blocked by any firewall rules on your local network.

03

Do I need to set a Modbus slave address for the smart-me meter?

Modbus TCP typically uses unit ID 1 by default. Check the smart-me device configuration or the official Modbus TCP wiki if your setup uses a different unit ID.

04

Can I use this template for single-phase smart-me meters?

This template is designed for 3-phase smart-me models (Telstar 80A, Telstar CT, Kamstrup Module). Single-phase meters may use a different register map and are not guaranteed to work with this template without modifications.

Registers (30)

30 read / 0 write

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