We are trying to establish a link between our Foxboro DCS and a Siemens Simatic
S7-400 PLC system. For most of our PLCs, we use FBM230/232/233 to read data via
Modbus. However, this Siemens PLC already has an Anybus Profibus
Master-Profibus Slave device set up on it which was used for remote monitoring
by a vendor when they were running the Siemens system for us. Now our own
operators are running the system, and we would like to be able to monitor
(and/or control) it from the DCS.
I just found out the FBM222 and FBM223 are made for Profibus, and I'm thinking
since the Profibus stuff is all there it should take less configuration on the
Siemens side compared to setting up a brand new Modbus connection - is that
right? Can someone give me some direction on how to accomplish this? How do you
connect the hardware? Would the Anybus device still need to be there, or does
the FBM take its place? I'm pretty new to the Siemens S7 system and Profibus.
I also need to decide whether to get a system integrator to help or try to do
this all in-house, so trying to determine how complex this will be.
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