... of CPUs, expansions, various accessories and software, specially designed for GSM/GPRS wireless systems being used for remote measurements, datalogging, control ... .In particular, x-Messenger shall possess industrial design,practical set of I/O resources ... - Analog inputs(DC0…10V,0/4..20mA,PT100)- Expandable up to 40DI ... 1900 modemSupply Voltage:12 ~ 24 VDCInputs:3 Channels PT100, tolerance:+/-0.5oC, temp ...