... 8 NC/NO inputs and RS232 Serial Port. It allows you to monitor and control an ... This is very useful to street light control, wellhead control, BTS environment monitoring, power transmission system monitoring ... controls;12. Wellheads;13. Energy saving, street lights control;14. Tanks, temperatures, water leakage;15. Transformer ... RTU5011,Temperature UP DOWN remote control,24V DC Switch,NC NO sensor ...