Modbus module with 14 digital inputs

With the EX9041 Modbus module, the inputs of M2M control telecontrol systems can be expanded easily and completely transparent to the application.


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The EX9041 has 14 digital inputs. The inputs are isolated up to 3,750 V.

The module is connected via the RS-485 interface and can be easily configured with the integrated development environment (IDE) as an I/O extension. The I/O extension is fully transparent for the application. The inputs and outputs of the Modbus module can be used in the same way as the ones present in the telecontrol unit. No further configuration equipment is required.

Technical Data

  • 14 digital inputs
  • Log. 0: 0...1 V
  • Log. 1: 4..30 V
  • Input resistance 3 kΩ
  • Isolation voltage: 3.750 V
  • Modbus (slave)
  • EIA RS-485
  • Operating voltage: 10-30 Vdc
  • Power consumption: 0,9 W
  • Expanded temperature range (-25...+70°C)

Mechanical data

  • Dimensions (mm, without terminals): 70 (W) x 100 (L) x 20 (H)
  • Robust plastic housing
  • DIN-rail or wall mounting (exchangeable holders)