Control system Maintenance:
1. Regularly check the controller behind the board of the cable is good contact, if there is loosening, should be fastened in a timely manner;
2. After the test if there is a longer period of time without the machine, turn off the controller and computer;
3. The interface on the controller for one by one corresponding, the wrong interface may cause damage to the equipment;
4. The interface on the plug-in controller must power off the controller.