PLC program control operation instructions:
1. Set button (SET)
2. Add buttons
3. Reduce the button
4. Reset/manual forced refueling button (RESET)

Indicator description:
1. Oil pump working indicator
2. Oil pump stop indicator

technical parameter:
Power supply voltage: input voltage range 20-28VAC
Power consumption: maximum power consumption 3W
Working temperature: -40-85℃
Oil pump power: <100w

Timer setting method:

Function Description:
1. The working time of the oil pump can be set from 1-9999 seconds;
2. The rest time of the oil pump can be set from 1-9999 minutes;
3. With manual and automatic functions, manual function: after pressing the manual button, the oil pump will function until the button is released; automatic function: cycle work according to the set time parameter;
4. Power failure memory function: when the power is off, the stop time will be recorded. The next time the power is turned on, the timing will continue from the last stop time. When the power is turned off during work, the next power on will restart from the set working time;
5. Signal output: high and low level.