... change, counters and clocks. In particular, x-Messenger shall possess industrial design, practical set of I/O resources& easy to use ... , etc.Specification: Model EXM-12DC-D-R-V Supply Voltage 12 ~ 24 VDC Inputs 8 digital Analog Input signal no Outputs 2 ... .g. on/ off-delays, pulse relay ,counters ,Watchdog function ,PI controller etc..Ø Logic functions-AND, OR, NOT, XOR……Ø Standard configure soft ...