PROCES-DATA PD640 4-I/O analogue I/O module, equipped with 4 current analogue channels, Channel1 & Channel2 configurable as input or output, Channel3 & Channel4 fixed input. All channels support 0-20mA /4-20mA signal independently. Power supply DC18~32V (nominal 24VDC), built-in signal filter, overload & underload protection and advanced self-test function, with ON and ERROR LED indicators. DIN rail mounting, widely used for marine and industrial process control system to acquire pressure, temperature, flow signals.
