Difference between revisions of "OPCServer:IBH OPC Server with Siemens S7-1200 and S7-1500 PLCs"
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Revision as of 08:53, 10 April 2013
The PLCs of the S7-1200 and S7-1500 series are equipped with an ethernet port and support S7 communications over Ethernet. The text below describes the configuration settings required to communicate with the IBH OPC Server and the S7-1200 respectively S7-1500 PLCs.
In the IBH OPC Editor settings dialog Rack=0 and Slot=1 must be chosen, assuming the setting has not been altered in the PLC project settings.
The communication with the S7-1200 respectively S7-1500 is established with S7 connections over Ethernet. The following type of variables can be read or written from S7-1200 and S7-1500 PLCs:
- Order number
- Inputs
- Outputs
- Flags
- Global DBs, the optimized access must be deactivated.
For S7-1500 additional settings are required.
Additional security settings are necessary with S7-1500 to permit access from the IBH OPC Server. To do so, navigate to the PLC properties 'Protection' section. There the Option: 'Connection mechanisms - Permit Access over PUT/GET communication from remote partner' must be checked.
After all settings are made, the OPC Server can access the S7-1200 and S7-1500 PLCs.
