Foxboro FBM207 Voltage Monitor/Contact Sense Input Modules Supports 16 Discrete Input Signals

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The FBM207/b/c Voltage Monitor/Contact Sense Input Module functions as a 16- channel DC voltage monitor or 16-channel contact sensor. Each channel accepts a 2- wire input from a dcvoltage source (FBM207) or pair of contacts or solid state switches (FBM207b/ FBM207c).

The module can be used as a single unit, or as a redundant pair (two FBM207s). When used as a redundant pair, the modules combine to provide redundancy at the Fieldbus Module (FBM) level, with field input signals received from one common termination assembly though a redundant adapter affixed to the baseplate of the FBM. The input current for redundant modules is doubled. A redundant digital input block in the Foxboro DCS Control Software validates each input in conjunction with information to/from the module, and selects the input with the highest quality for processing in the control strategy.

The Sequence of Events (SOE) software package (for use with I/A Series® software V8.x and Control Core Services software v9.0 or later) is used for acquisition, storage, display, and reporting of events associated with digital input points in a control system. SOE, using the optional GPS based time synchronization capability, supports data acquisition across control processors at intervals of up to one millisecond, depending on the signal source.

Refer to Sequence of Events (PSS 31S-2SOE) to learn more about this package, and to Time Synchronization Equipment (PSS 41H-4TIMESNC) for a description of the optional time synchronization capability.

I/A Series systems with software earlier than V8.x can support SOE through ECB6 and EVENT blocks. However, these systems do not support GPS time synchronization and use a timestamp sent by the Control Processor which is only accurate to the nearest second and is not synchronized between different Control Processors.