MR-DI-4 Hi digital input expansion module
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  • MR-DI-4 Hi digital input expansion module
  • MR-DI-4 Hi digital input expansion module with MODBUS RTU output
  • MR-DI-4 Hi Digital Input Expansion Module

MR-DI-4 Hi Expansion Module

MAX-MR-DI-4HI, 5908312598374

A module with 4 high-voltage digital inputs featuring Modbus RTU communication.
4 independent digital inputs.
Input voltage range: 160–265 V AC/DC.
Trigger configuration.
Input time filter.
Communication interface: RS-485.

MR-DI-4 Hi 4-input digital module, Modbus RTU

Why choose the MR-DI-4 Hi?

The MR-DI-4 Hi expands the system with four digital inputs designed to read high-voltage signals and makes their status available via Modbus RTU.

What does this mean in practice?

  • There are 4 independent digital inputs available.
  • The input voltage range is 160–265 V AC/DC.
  • You can configure the active state and the trigger method for each input.
  • A time filter for input signals is available.
  • Status reading and configuration are carried out via RS-485 Modbus RTU.

MB Config
The programme enables test readings of values and the setting of communication and configuration parameters for the MR-DI-4 expansion module.



Communication between the module and a PC via theCN-USB-485 USB converter

The programme is free of charge.

MAX-MR-DI-4HI
Power supply voltage
9÷30 V DC
Communication protocol
MODBUS RTU
Stop bits
1 / 1.5 / 2
Inputs - voltage tolerance
160÷265 V AC/DC
ports
RS-485
Number of digital inputs
4
The type of work
SLAVE
Baudrate
1200÷115200 bit/s
Data bits
8
Bits of parity
EVEN / ODD / NONE
Address
1÷247
Terminal
pluggable terminal blocks 2,5 mm²
Tightening torque
0,4 Nm
Power consumption
0,3 W
Working temperature
-20÷50°C
Dimensions
1 module (18 mm)
Assembly
on rail 35 mm
Ingress Protection Marking
IP20
I/O connection scheme





Implementation of connection of counting and digital inputs

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Reset of communication settings

MODBUS RTU protocol parameters


  


  

 
   




Table of input triggering options and logical states assigned to them TRUE (1) i FALSE (0)

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