The Foxboro FBM211 is a 16-channel analog input module designed for 20 mA DC signal acquisition. It accepts two-wire analog sensor inputs, including 4–20 mA transmitters, supported line-monitored digital inputs with end-of-line resistors, and self-powered 20 mA sources.
A multiplexed Sigma-Delta converter processes the input signals. Configurable conversion time and integration settings allow the analog input application to manage signal acquisition and reduce unwanted process noise.
The module interfaces field sensor signals to the redundant module Fieldbus through the applicable Foxboro system arrangement.
PART NUMBER IDENTIFICATION
P0914TN is the earlier part number associated with FBM211. The May 2025 Foxboro specification identifies RH914TN as the superseding module part number. Confirm the required part number and system configuration before ordering.
02 / TECHNICAL SPECIFICATIONS
Technical Data at a Glance
Foxboro FBM211 · P0914TN
TECHNICAL ITEM
SPECIFICATION
Product Description
0 to 20 mA Input Module
Earlier Part Number
P0914TN
Superseding Part Number
RH914TN
Number of Inputs
16 analog input channels
Input Range
0 to 20.4 mA DC
Supported Signals
Two-wire analog sensors, 4–20 mA transmitters, supported line-monitored digital inputs and self-powered 20 mA sources
Current Limitation
33 mA per channel
Accuracy
±0.03% of span
Temperature Coefficient
±50 ppm/°C
Conversion Method
Multiplexed Sigma-Delta converter
Input Reading Interval
New readings can be provided every 100 ms
Input Impedance
61.9 Ω nominal
Channel Arrangement
Two groups of eight channels
Isolation
Each group is isolated from ground and module logic; channels within a group are not galvanically isolated from one another
Common-Mode Rejection
Greater than 100 dB at 50/60 Hz
Normal-Mode Rejection
Greater than 35 dB at 50/60 Hz
Fieldbus
Redundant 2 Mbps module Fieldbus
Redundant Input Voltage
24 V DC, +5% / −10%
Power Consumption
7 W maximum at 24 V DC; 11 W maximum with all inputs at 20.4 mA using internal power
Heat Dissipation
3 W maximum
Operating Temperature
−20 to +70 °C (module)
Storage Temperature
−40 to +70 °C
Relative Humidity
5 to 95%, non-condensing
Operating Altitude
−300 to +3,000 m
Storage Altitude
−300 to +12,000 m
Contamination Class
Class G3, harsh environment
Vibration
0.75 g, 5 to 500 Hz
Module Dimensions
102 mm high (114 mm including mounting lugs) × 45 mm wide × 104 mm deep
Module Weight
Approximately 284 g
Termination Connection
37-pin male D-sub; termination cable up to 30 m
Mounting
200 Series modular baseplate; DIN rail or 19-inch rack mounting kit
Calibration
Module and termination assembly calibration not required
INSTALLATION CONSIDERATION
Keep input signals within the specified range. Do not connect the module to hazardous voltage circuits. HART or FoxCom transmitter arrangements require the specified 200 Ω RH902VY in-line resistor. Check the termination assembly and transmitter power arrangement for the intended installation.
03 / SYSTEM INTEGRATION
From Field Signal to Control Network
01 / FIELD
Transmitters
Two-wire 4–20 mA transmitters, supported line-monitored digital inputs and self-powered 20 mA sources.
›
02 / I-O MODULE
FBM211
16-channel current input, multiplexed signal conversion and configurable integration.
›
03 / CONTROL
FCM / FCP
Interfaces with the redundant 2 Mbps module Fieldbus.
Termination Assembly Selection
The correct assembly depends on the field transmitter power arrangement and terminal construction.
Power Arrangement
PA Construction
PVC Construction
External DC power
RH916JT
P0916PQ
FBM auxiliary +24 V
RH916BT
P0916BU
PA termination assemblies: −20 to +70 °C. PVC termination assemblies: −20 to +50 °C. P0916PQ and P0916BU are identified as not RoHS compliant.
Understanding Group Isolation
The 16 inputs are arranged in two groups of eight. Each group is isolated from ground and module logic. Channels within the same group are not galvanically isolated from one another. This distinction is important when checking field wiring and grounding arrangements.
04 / FUNCTIONAL HIGHLIGHTS
Designed for Process Signal Handling
01
Sigma-Delta Conversion
A multiplexed converter processes the input channels and converts measured signals into digital values.
02
Configurable Integration
The integration period can be configured to help reduce process noise and power-line frequency interference.
03
Redundant Fieldbus
The module communicates through a redundant 2 Mbps module Fieldbus architecture.
04
Front-Panel Indicators
Red and green LEDs on the module front provide visual status indications.
Typical Application Context
The FBM211 is intended for current-signal acquisition from field instrumentation. Actual application suitability depends on the installed DCS configuration, transmitter type, termination assembly, loop-power arrangement and engineering settings.
05 / AMIKON SUPPLY SERVICE
A Supply Partner for Automation Parts
Responsive Team
Inquiry coordination and customer support.
3–5 Days
Delivery Time
12 Months
Warranty
Worldwide
Shipping Support
T/T
Payment Term
Refund & Replacement
01. Contact AMIKON within 7 days after receiving the goods if a product issue is found. 02. Return the item in its original condition and provide the reason for return. A refund or replacement will be arranged after the returned item is received and inspected. 03. Return shipping costs are the buyer's responsibility.
AMIKON LIMITED · PRODUCT INQUIRY
Looking for FBM211 P0914TN?
Send your quantity and destination to our sales team.
What field signals can the Foxboro FBM211 P0914TN accept?
It accepts 20 mA DC analog inputs, including two-wire 4–20 mA transmitters, supported line-monitored digital inputs with end-of-line resistors, and self-powered 20 mA sources.
02
How are the 16 input channels of the Foxboro FBM211 P0914TN isolated?
The inputs are arranged in two groups of eight. Each group is isolated from ground and module logic, but channels within the same group are not galvanically isolated from one another.
03
What is the specified input accuracy of the Foxboro FBM211 P0914TN?
The specified accuracy is ±0.03% of span, with a temperature coefficient of ±50 ppm/°C.
04
Which termination assemblies are specified for the Foxboro FBM211 P0914TN?
RH916JT or P0916PQ are specified for externally powered transmitters; RH916BT or P0916BU are specified for FBM auxiliary +24 V powered transmitters. Selection depends on the installation and terminal construction.
05
Is RH914TN the same product designation as Foxboro FBM211 P0914TN?
The current product specification identifies RH914TN as the FBM211 module part number that supersedes P0914TN. Confirm the required part number and system configuration before ordering.
07 / AMIKON PRODUCT RANGE
More Models Available for Inquiry
Additional models available for inquiry from AMIKON. Listing does not indicate official Foxboro compatibility with FBM211.
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