Censtar gas solenoid valve command button control with the cycle timer control (timnonperiodic) for sending aperiodic command.MicroMaster tankers echo the status information of a frame to 14 bytes.The event driven communication mode oil solenoid valve is used on programming, serial port for every 14 characters and activate a event, the  message processing function with the corresponding processing code, used to read status word ZSW and HIW each state parameter, hydraulic solenoid valve and make corresponding processing, such as display, etc.