Foxboro FBM214B RH927AH HART Communication Input Module

Overview

The Foxboro FBM214B RH927AH is a HART Communication Input Module built for industrial automation. It handles both analog and digital signals efficiently. Each of its eight input channels accepts standard 4–20 mA analog signals and digital HART signals using Frequency Shift Keying (FSK). The module ensures high accuracy, fast response, and reliable communication with field devices. It is compact, rugged, and designed for use in harsh process environments.

Technical Specifications

Product Type: HART Communication Input Module
Manufacturer: Foxboro (Schneider Electric)
Model Number: FBM214B RH927AH

Input Channels and Signal Types

• Number of Channels: 8 analog input channels

• Supported Signals:

• 4–20 mA analog input

• HART digital FSK signals superimposed on analog input

Electrical Characteristics

• Sense Resistor: 61.5 Ω nominal

• Total Input Resistance: 280 Ω nominal

• Accuracy: ±0.03% of full scale

• Temperature Coefficient: 50 ppm/°C

• Resolution: 15 bits

• Update Rate: 100 ms per channel

• Integration Time: 500 ms

• Common Mode Rejection: >100 dB at 50 or 60 Hz

Environmental Ratings

• Operating Temperature: -20°C to +60°C (-4°F to +140°F)

• Storage Temperature: -40°C to +70°C (-40°F to +158°F)

• Relative Humidity: 5% to 95% (noncondensing)

Physical Dimensions

• Size: 2.2 cm x 12.4 cm x 12.6 cm

• Weight: 0.3 kg