Metz Connect MR-DI4 Modbus RTU

Installation

1. 1Mount the Metz Connect MR-DI4 on a DIN TH35 rail inside the electrical distribution cabinet.
2. 2Wire the potential-free contacts or voltage inputs to the four digital input terminals of the module.
3. 3Set the Modbus address and baud rate (default 9600) using the two rotary switches on the front panel, or configure them via the Mbus configuration tool.
4. 4Connect the RS-485 A and B lines from the MR-DI4 to the Modbus RTU port on your ModbusCloud gateway (MCG or MLP series).
5. 5Import the Metz Connect MR-DI4 template in the ModbusCloud platform and assign the correct Modbus slave address.
6. 6Verify that all four digital input states appear correctly on the ModbusCloud dashboard before completing the installation.

Things to watch for

Registers (4)

4 read / 0 write

More Metz Connect templates

Metz Connect MR-AO4 Modbus RTU

Metz Connect

Modbus RTU

Controls 4 analog outputs for decentralized switching tasks via Modbus RTU

4 registers12

Metz Connect MR-AI8 Modbus RTU

Metz Connect

Modbus RTU

Reads 8 configurable resistance or voltage inputs via Modbus RTU

16 registers8

More RTU templates

Alnor HRU

Alnor Systemy Wentylacji Sp. z o. o.

Modbus RTUCertified

Controls and monitors Alnor heat recovery ventilation units via Modbus RTU.

29 registers13

Heidelberg Wallbox Energy Control

AMPERFIED GmbH

Modbus RTUCertified

Controls and monitors Heidelberg Wallbox Energy Control EV charger via Modbus RTU.

22 registers67

connecdoor.controller

connecdoor

Modbus RTUCertified

Controls and monitors smart door access points via RS485

0 registers53

Wattsonic - Schmachtl Sun Energy Box

Wattsonic

Modbus RTUCertified

Monitors Schmachtl Wattsonic hybrid inverter via Modbus RTU

92 registers72

Alnor HRU-P

Alnor Systemy Wentylacji Sp. z o. o.

Modbus RTUCertified

Controls Alnor HRU-P heat recovery ventilation units via Modbus RTU.

49 registers7

E+E Elektronik EE600 - Differential Pressure Sensor

E+E Elektronik

Modbus RTU

Measures differential air pressure for HVAC and filter monitoring applications.

1 registers21