FBM207B RH914WH Foxboro Discrete Input Module

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Material number:
FBM207B RH914WH

Description:

Voltage Monitor / Contact Sense Input Module – 24 V DC Contact Sense
Part of the Foxboro Evo™ Control System
16-channel discrete input module for contact sense applications
Each channel accepts a 2-wire input from a pair of contacts or solid-state switches
24 V DC contact wetting provided by the module itself

The FBM207B RH914WH is a 16-channel discrete input module designed for contact sense applications using 24 V DC external field contacts. It performs signal conversion required to interface electrical input signals from field sensors to the redundant module Fieldbus. The module executes programs for Discrete Input, Ladder Logic, Pulse Count, and Sequence of Events (SOE), with configurable Input Filter Time options. It can be used as a single unit or as a redundant pair.

Technical Data:

Number of input channels:16 isolated and independent channels
Input type:Contact sense – 24 V DC contact wetting from FBM207b
Open-circuit voltage:24 V DC ±15%
Short-circuit current:3.2 mA (typical)
Logic one, on-state resistance:1.0 kΩ (maximum)
Logic zero, off-state resistance:100 kΩ (minimum)
Input filter/debounce time:Configurable (No Filtering, 4, 8, 16, or 32 ms)
Pulse count (no missing pulses):0 to 250 Hz
Communication:Via redundant 2 Mbps module Fieldbus
Power input voltage range (redundant):24 V DC (+5%, –10%)
Power consumption (maximum):4 W
Heat dissipation (maximum):4 W

Accessories:

FBM207C RH917GY: Contact sense input module – 48 V DC

FBM207 P0914TD: Voltage monitor input module (15-60 V DC, 120 V AC/125 V DC, or 240 V AC)