EX9044 - RS485 8 open collector output, 4 digital input, isolated

EX9044 is a digital I/O device with 4 isolated digital inputs and 8 open collector outputs. It features output current up to 375mA.
Availability: Usually dispatched within 3 to 6 working days


ExpertDAQ Digital IO modules communicate via RS485 and are available with Modbus RTU. Within one RS485-network up to 256 modules may be controlled. Without a RS485 Repeater the maximum cable length is 1200m. The RS485 Digital IO module are sturdy, power saving and easy to use.

The EX9044 has 4 digital isolated Input and 8 digital open-collector Output. The Digital IO RS485 module can emit currents of 375mA at 30V and was developed for use in a wide temperature range.


  • 4 digital input, 8 open-collector output channels
  • all inputs isolated
  • output voltage up to 30V, output current up to 375mA
  • extended temperature range
  • low input impendance
  • Digital Level 0: <+1V - Digital Level 1: 4-30 V
  • output as RS485-interface
  • manual configuration or with supplied Software
  • power supply 10 - 30VDC
  • Hard- and Software Watchdog


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