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.

Features:

• 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