Description

Foxboro FBM201 RH914SQ is an Analog Input Module with 8 isolated input channels, designed for flexible signal ranges and high accuracy. It communicates with its associated FCM or FCP over a redundant 2 Mbps module Fieldbus.

Communication

• Via redundant 2 Mbps module Fieldbus

Input Channels

• 8 isolated and independent channels

Input Ranges

• FBM201: 0–20 mA DC

• FBM201b: 0–100 mV DC

• FBM201c: 0–5 V DC

• FBM201d: 0–10 V DC

Accuracy

• Analog Accuracy: ±0.03% of span

• Temp. Coefficient: ±50 ppm/°C

Electrical Characteristics

• Field Device Distance: Function of compliance voltage (22.8 VDC), wire resistance, and voltage drop at field device

• Input Impedance:

• FBM201: 61.5 Ω nominal

• FBM201b/c/d: 10 MΩ

• A/D Conversion: Independent Sigma-Delta converter per channel

• Integration Period: Software configurable

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

• Normal Mode Rejection: >95 dB at 50/60 Hz

• Loop Power Supply: Protected