... and PLC. Another, it can transmit data from apparatus (thermometer, humidity ... /Relay to sirenSMSYesRTU5011884(0-20mA)0110Same as SMSYes*Relay ... alarm;3. Automatic monitoring system;4. Vending Machines;5. Pumping ... Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break Sensor, Shock Sensor, Power failure sensor ...