ExpertDAQ RS485 Timer / Counter have been developed for professional use in industry, The RS485 Timer / Counter are controllable via RS485 and are available with Modbus RTU, Within one RS485 network up to 256 module can be controlled, the EX9080DR-M has 2 digital input which can measure frequencies between 1Hz and 100kHz, The Counter has 32bit memory, The digital Output can emit currents up to 30mA at 30V, The EX9080DR-M has a programmable Start-Value and alarm function, The EX9080DR-M has a 4,5-digit 7-segment LED-display and can be operated in a wide temperature range, features: 2 digital input channels, measure frequency from 1Hz - 100kHz, maximum current 30mA at 30V, Digital Level 0: <+1V - Digital Level 1: 3,5-30V, overvoltage protection up to 3750V, 32bit counter (4.294.967.295), programmable alarm function, programmable startvalue, 4,5-digit 7-segment LED-display, Output as RS485-interface, Communicate via Modbus-RTU, manual configuration or with supplied software, power supply 10 - 30VDC, Hard- and Software Watchdog