Foxboro FBM214B P0927AH Communication Input Module

Description

Foxboro FBM214B P0927AH is a communication input module designed for HART protocol-based field devices. It supports up to 8 individually isolated channels, offering high accuracy, fast communication speed, and robust error checking capabilities.

Communication & Device Specifications

• Supported HART Versions: 5, 6, 7

• Interface: 8 individually isolated channels

• Communication Type: Point-to-point, master/slave, asynchronous, half-duplex at 1200 baud

• Error Checking: Parity on each byte, CRC check byte

• Speed: 2 messages per second

• Fastest ECB Block Period: 100 ms (optimal loading recommended based on Control Processor specifications)

Device Distance & Power

• Maximum Distance (Field Device to FBM214B): Up to 3030 meters (10,000 ft), complying with HART FSK physical layer specification HCF_SPEC-54

• Internal Loop Supply Voltage: 18.5 V DC minimum at 20.5 mA

Accuracy & Performance

• Sense Resistor: 61.5 Ω nominal

• Total Input Resistance: 280 Ω nominal

• Accuracy (Including Nonlinearity): ±0.03% of full scale

• Temperature Coefficient: 50 ppm/ºC

• Resolution: 15 bits

• Update Rate: 100 ms

• Integration Time: 500 ms

Signal Processing

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

• Normal Mode Rejection: >35 dB at 50 or 60 Hz