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4DI/4DO module supports 4 independent digital inputs and 4 digital outputs.  Inputs can be used for VFC monitoring or pulse counting.  Outputs are rated for 230v 5A with C / NO / NC contacts.

Product Overview


  • Expansion module for Building Automation Systems

  • 4 Digital Inputs ( Pulse Counter )

  • 4 Digital Outputs

  • User friendly configuration

  • Status LEDs for all inputs, outputs and communication

  • RS-485 Connection as Modbus RTU Slave

  • Slave ID and Baudrate Configured with DIP Switches

  • Counter value stored in permanent memory. Last value held in memory during power failure.