ExpertDAQ Relay module 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 Relay module are sturdy, power saving and easy to use, the EX9060 has 2 type A and 2 type B Relay Output with short operating time, The EX9060 was developed for use in a wide temperature range and has a long lifetime, Features: 4 Relay output (2xType A 2x Type B), short operating time (3ms / 2ms), Digital Level 0: <+1V - Digital Level 1: 4 - 30V, lifetime at least 10^5 operating cycles, extended temperature range, output as RS485-interface, manual configuration or with supplied Software, power supply 10 - 30VDC, Hard- and Software Watchdog