Redundant AC900F Communication with SIEMENS S7-300
both PLC are not in the same network, and you are using a router (Gateway), please take care that this Gateway has two IP address, and both PLC has to talk with the Gateway.
Please proceed with the following Check:
- configure the router to have the following address (IP1(ABB):172.16.1.13/IP2(SIEMENS):10.74.26.13)
- Correct the Gateway IP address of ABB PLC1 and PLC2, has to be in the same subnet (ex: 172.16.1.13)
- put the gateway in siemens PLC, (ex: 10.74.26.13)
- try to cnfigure you EWS 172.16.1.100 and put the gateway 172.16.1.13, and make a ping to the gateway 10.74.26.13 and ping PLC siemens 10.74.26.12 from this ews
the ping has to be successful