ExpertDAQ Digital Input module communicates 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 EX9041 has isolated inputs on 14 channels and was developed for use in a wide temperature range, Features: 14 digital inputs, all inputs isolated, extended temperature range, 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