Tag Archives: program plc siemens

No-operation command NOP for S7-200 PLC

NOP is a null operation instruction, used in ladder diagrams and instruction lists. If you need to shield an output, use NOP instead.

NOP does not carry any operands. Inserting a NOP instruction between normal instructions has no effect on the program. However, if the written instruction is replaced with a NOP instruction, the changed program is deleted and the program changes, so the NOP instruction can be used. Edit the program.

NOP instruction format

Siemens software Always prompt for restart solution

For repeated requests restart problem, you can modify your registry as follows:
The registry entries“HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\ ”Remove the registry values “PendingFileRenameOperations”

Can be installed without restarting。

2.0 Driver Download:
http://cache.automation.siemens.com/dnl/TM/TM0OTY2MQAA_27062840_DL/PC_Adapter_USB_102007.zip