This system was listed in National 863 Program and is comprised of PLC and SCADA control system which can monitor and control all LNG station equipment, realizing automated interlock control between the safety devices.
Functions
1.Management pump skid, LNG dispenser and station, to download LNG, boost pressure, refuel, etc.
2.Report and upgrade data, export report to Excel.
3.PLC control
4.Operating both on PLC and computer of station management system.
5.VFC to pump
6.Isolating explosion –proof power signal, simulating and switching signal, safety barrier for data signal.
7.Human- computer interface design
8.Light current and heavy current was designed separately
9.The protected function of process control with safety
10.Online UPS
Features Functions
1.RS485 data interface
2.Anti-zeroing and anti-jamming sensor
3.STP (Shield Twisted Pair) communication cable, Data saved automatically at least one year.
4.CD display
5.Industrial computer
6.Display key-frame and split-screen
7.Interface controlled by soft keyboard
8.Data upload with encryption
9.Preset output interface,RS485 and TCP/P
10.Data warm back up
11.UPS
12.Emergency protection function, light and acoustic alarm, shut down inlet and power supply automatically.