[foxboro] ZCP-FBM connection options

All,

 

With the FCP270, the documented options to interface with FBM100s/200s
appear to be the following:


[AW]<-->[Mesh Control 
Network]<-->[FCP270]<-->[FBI-100]<-->[FBM-100]<-->[Process]
&
[AW]<-->[Mesh Control Network ]<-->[FCP270]<-->[FBM-200]<-->[Process]

 

The primary benefit of the above approaches, in my mind, is that the
interface between the FCPs and the FBMs is closed, proprietary,
point-to-point & unmanaged.

 

With the ZCP, however, the documented interfaces between the CP and the FBMs 
always
appear to be through some type of  Mesh network (either a combined Mesh
Control+Fieldbus network, or standalone Mesh Fieldbus Network).


The drawback, in my mind, is that there are TCP/IP based managed "open" network 
devices between the Controller and I/O. The impact of planned/unplanned outages 
of this mesh-control/fieldbus-network when using conventional 4-20A based 
field-devices (as opposed to FF) is essentially loss of Level 1 control. 

 

Is there a supported option to connect a ZCP to
FBM 200/100s without using the mesh-network (as possible with the FCPs)?

 

Thanks,
Daniel

 

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