... process in various industrial appilcation for temperature . humidity and pressure , level.FeaturesSMT , designed, modular structureUniversal input, T/C, RTD , mA ... RTD (Pt100, CU50,CU100)mA DC (4-20mA, 0-10 mA)mV DC (0-5VDC, 1-5VDC)Output ModuleRelay ... 10mARS485, RS232 communicationIsolated auxiliary power supply ,5VDC, 12VDC, 24VDC for sensor Alarm functionUp to 4 points outputs , Out1, Out2, Out3, ...