Dear All,
Am new to Siemens plc. i have CPU 315-2DP. but when i try to communicate with pc through simatic Manager . i receive the Following Error. " Unable to establish a connection with module ."
Sometimes it gives error as attachments. kindly help me out.
Through control panel , i have selected the PG / PC interface to S7 Online with PC adapter Auto 1.
Kindly help me out. you will be a life savoir.
Regards,
ZUbair
