Could anyone please tell me why i am getting 'illegal command' message whenever i tried to download to the PLC and i can not download to the PLC. I use Siemens Simatic S7 CPU 319F-3 PN/DP. I am trying to use this function for taking data to the data acquistion system.
If anybody please help me as soon as as possible it will be great help.
arocon
If anybody please help me as soon as as possible it will be great help.
arocon