Solution:
1) Pressded the test button on the control card, the device enters the test state, need turn off and on the power of controller;
2)Another PC/Phone is operating the control card, try to turn off and on the power of controller.
2.Fonnect failure! as pictureChange the IP address of the computer and the controller to automatically get, then turn off and on the power of the controller.
3.There is no device when sending the program;