1. Parameter setting: parameters can be set and displayed on the touch screen;
2. The touch screen password lock has three layers of password functions, namely: supplier, engineer and operator;
3. When the machine has any error or needs to remind the operator, the buzzer will alarm;
4. Three color light: Green run mode, yellow idle or debugging mode, red abnormal alarm mode;
5. An emergency stop button is installed on the right side where the operator stands. Proximity switch protection at tank door.