ExpertDAQ Relay 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 Relay module are sturdy, power saving and easy to use, the EX9067D has 7 Form A Output which are capable of carrying currents up to 1A at 24VDC or 0,5A at 120VAC, The EX9067D has a LED-display for each channel and short switching cyle, The EX9067D was developed for use in a wide temperature range, features: 7 Relay Type A output channels, maximum current 1A at 24VDC or 0,5A at 120VAC, Digital Level 0: <+1V - Digital Level 1: 4 - 30V, lifetime at least 10^5 operating cycles, LED-display for each channel, extended temperature range, In- and Output galvanically isolated, output as RS485-interface, manual configuration or with supplied Software, power supply 10 - 30VDC, Hard- and Software Watchdog