Regmet PFLM - Air velocity sensor

Installation

1. 1Mount the PFLM12 in the air conditioning duct or the PFLM111 on the building facade according to the Regmet installation manual.
2. 2Wire the RS485 A and B terminals of the sensor to the corresponding terminals on the ModbusCloud gateway (MCG or MLP series), observing correct polarity and using a twisted-pair cable with optional termination resistor.
3. 3Set a unique Modbus slave address on the PFLM sensor using the configuration method described in the Regmet documentation, ensuring no address conflicts on the RS485 bus.
4. 4Configure the gateway serial port for Modbus RTU at 19200 baud with odd parity (parity setting 1).
5. 5Import the Regmet PFLM template in the ModbusCloud platform and assign it to the corresponding gateway and slave address.
6. 6Verify that air velocity readings appear on the ModbusCloud dashboard and confirm values are plausible for current conditions.

Things to watch for

Registers (2)

1 read / 1 write

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