Foxboro FBM207B Contact Sense Input Module – Overview

The Foxboro FBM207B is a 16-channel discrete input module designed for the Schneider Electric Foxboro I/A Series distributed control system (DCS). It is specifically engineered for 24 V DC contact sensing applications, providing reliable signal acquisition from field devices in demanding industrial environments.

Key Features

16 Isolated Input Channels
Each channel is fully galvanically isolated, ensuring high noise immunity and system safety.
24 V DC Contact Sense Input
Optimized for dry contact or solid-state switch inputs with internal wetting voltage.
High Reliability & Redundancy
Supports redundant configuration for mission-critical applications.
Flexible Signal Processing
- Pulse counting up to 250 Hz
- Configurable debounce/filter time (4–32 ms)
Robust Industrial Design
Suitable for harsh environments (ISA Class G3), with strong vibration and EMC resistance.
Fieldbus Communication
Communicates via redundant 2 Mbps Fieldbus with control processors (FCP/FCM).

Technical Specifications

Parameter	Specification
Channels	16 discrete inputs
Input Type	24 V DC contact sense
Input Voltage	24 V DC ±10%
Input Range	15–60 V DC (contact sense), optional AC/DC monitoring
Input Current	~2 mA per channel
Isolation	Channel-to-channel & ground isolation
Response Time	<10 ms
Power Consumption	4–5 W
Operating Temp	-20°C to +70°C
Humidity	0–95% (non-condensing)
Mounting	DIN rail / baseplate

Functional Description

The FBM207B acts as an interface between field devices (such as limit switches, pushbuttons, and relays) and the DCS. It converts discrete signals into digital data transmitted over the Fieldbus for monitoring and control.

Each channel can detect:

Contact open/close states
Voltage presence
Pulse signals for event counting

Applications

The module is widely used in industries such as:

Oil & Gas
Power Generation
Chemical Processing
Manufacturing Automation

Typical uses include:

Equipment status monitoring
Alarm and trip signals
Switch and relay input acquisition
Sequence of events (SOE) recording

Advantages

High input isolation for safety
Reliable operation in harsh environments
Flexible configuration and filtering
Redundant architecture support
Easy integration into Foxboro DCS systems

Main Brand:

ABB Allen-Bradley Alstom Bently GE MOOG Schneider

Woodward HIMA Honeywell Emerson Foxboro

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•Package: Original packing with cartons

Our Main Brand

ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc

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ABB 3AUA0000110429,SYSCON2 746924

Invensys Foxboro FBM214,FBM242,B0123HE

Invensys Triconex 3625,3700A,3604E

Woodword 5462-758B

HIMA F2-DO-16-02,F8650E

Yokogawa SAI143-S03 S1, F9342L-02

Honeywell 51402497-200,51403519-160,51199194-100,CC-PDO801

Emerson KJ4001X1-NB1,12P3368X012

—-(PLC)Programmable Logic Controller

Rockwell AB 1734-IB8,1734-OB8,1769-L18ER-BB1B,1756-IM16I

ICS Triplex T8461,T8850,T8403,T8431,T8831,T8310

Schneider Modicon 140DDI85300

GE Fnauc IS210AEPSG2B,IS220UCSAH1A,IS215ACLEH1A,IS210AEAAH1B

Siemen 6ES7331-1KF02-0AB0

Prosoft MVI46-DFNT

Bachmann MPC240

Woodhead 9905-068 2301A

—-(TSI)Turbine Supervisory Instrumentation

Bently Nevada 3500/22M,138607-01,3500/25,3500/53,3500/32M 149986-02,

EPRO MMS6110,MMS6120,MMS6220,MMS6312,MMS6410,6423,6424,

ENTEK EK C6622HS,XM124,1440-SDM02-01RA

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