Spot Welder Controller Pneumatic Color LCD Display Multi-point Personalization Features: Integrated temperature, fan, pneumatic control.Integrated control, no external power supply High current drive. Direct drive DC12V solenoid valve, fan. No need for external power supply Pneumatic parameters can be changed, Can be changed according to machine characteristics Temperature detection fan control with temperature protection, The fan has a normally open, closed, intelligent control mode Support for personalization: Rated voltage, secondary voltage, rated power With English interface Instructions Switch language: The controller is powered off, press and hold the red button, power on, the system enters the language setting Welding specification selection: The controller can save 10 sets of welding specification parameters Use the knob to make the right side currently selected as the welding specification. Press the red button to change the current selection to the setting parameters. By selecting the welding specification, after the selection is made, press the red button to save Welding parameter setting : The control welding parameters have a total warm-up time, preheating current, and interval time. Terminal description 1: foot switch terminal, mechanical switch 2: The power supply of the control board is connected to the AC 9V~12V power supply. It must be AC. 3: Temperature sensor terminal 4: Status terminal, controller welding status, output during welding 5: fan terminal, connected to DC12V fan 6: Solenoid valve terminal, connected to DC12V pneumatic solenoid valve Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you! Personalization software available, Please contact us to send. Package included: 1 Set Spot Welder Controller 1 * Temperature Sensor