The FBM237, 0 to 20 mA Output Interface Module contains eight channel isolated 0 to
20 mA dc analog output channels. The outputs are galvanically isolated from other
channels and ground. The module can be used as a single unit, or as a redundant
pair.
When used as a redundant pair, the modules combine to provide redundancy at the
Fieldbus Module (FBM) level, with field output signals wired to one common
termination assembly (TA) (see Figure 1). Each module in the pair independently
holds the output(s) at its specified output value(s).
Features
• Eight 4 to 20 mA dc analog output channels
• Each output channel is galvanically isolated
• Single or redundant modules
• Rugged design suitable for enclosure in Class G3 (harsh) environments
• TAs for locally or remotely connecting field wiring to the FBM237
• TA for use with Output Bypass Station to maintain outputs during maintenance
operations
• 3-tier termination assembly for per channel internally and/or externally loop
powered transmitters
• Electrically compatible with standard HARTsignals