How to deal with it if the PLC can’t be online with a laptop?

2016-08-17 14:26:32 Xiamen Haiwell Technology Co., Ltd. Read

According to the above online steps for PLC and laptop,if there is no new serial port that comes out in the software,then the problem may be the failure of the installation of the driver So re-install the USB driver program according to the above steps.If there comes new serial ports,but it’s still not online ,then switch PLC program operating (run) switch to stop-state (run-indicator no light) and make it online again.