... Telemetry Solutionx-Messenger- Expandable GSM/GPRS PLCincorporates a wide range of CPUs, expansions, various accessories and software, specially ... GPRS wireless systems being used for remote measurements, datalogging, control, diagnostics and object via short text messages (SMS) ... 24 VDCInputs:3 Channels PT100, tolerance:+/-0.5oC, temp range: -50oC- 200oCAnalog Input signal:noOutputs:3 relay(10A)PWM ...