PLC(Programmable Logic Controller) has long history for export to Thailand, Iran etc. Countries with good feedback.
Other parts include touch screen (man-machine dialogue window), KRQS full digital soft starter, breaker, middle relay, contactor, voltage meter and current meter, etc.
All compressor working parameters can be efficiently monitored and controlled, which includes tube pressure on discharge of each stage, cooling water pressure, lube pressure & temperature. The start-up and shut-down of each system and the open and close of each valve can be efficiently controlled. It is convenient to timely monitor the compressor working condition and modify the parameters. RS232,RS485 or PROFIBUS-DP interface and user-defined agreement through S7-2000 programmable soft ware make it rich for communication.
The system automatically analyzes, judges and treats all alarm information. Accord with technic requirement, while alarming, the alarm menu pops up showing as the way of sound and light alarm. Multi controls as technic alarm, hang shut-down and quick shut-down makes it realize non-person on watch for compressor working.
PLC(Programmable Logic Controller)