Foxboro | FBM211 |16-Channel Analog Input Module

Description
The Foxboro FBM211 is a 16-channel analog input module designed for industrial process control, accepting 0–20 mA signals from field sensors.

Features

• 16 isolated channels for 2-wire 4–20 mA transmitters or self-powered sources
• Sigma-Delta conversion for high accuracy with configurable integration periods
• Rugged aluminum housing for harsh environments (ISA S71.04 Class G3)
• Hot-swappable with LED status indicators

Technical Specifications

• Input Range

  • 0–20.4 mA dc per channel
  • 33 mA current limit

• Accuracy

  • ±0.03% of span
  • ±50 ppm/°C temperature coefficient

• Impedance

  • 61.9 Ω nominal per channel

• Isolation

  • 600 V ac for 1 minute
  • Group isolated from ground

• Sampling

  • Configurable integration
  • 100 ms update rate

• Noise Rejection

  • 100 dB common mode

  • 35 dB normal mode (50/60 Hz)

Power & Communication

• Supply

  • 24 V dc ±5%/-10%

• Consumption

  • 7 W max
  • 11 W with all channels at 20.4 mA

• Fieldbus

  • Redundant 2 Mbps communication

Environmental

• Operating Temp

  • -20 to +70°C (-4 to +158°F)

• Humidity

  • 5–95% non-condensing

• Certifications

  • UL Class I Div 2
  • ATEX Zone 2
  • RoHS
  • ABS/BV marine

Mechanical

• Dimensions

  • 45 × 104 × 102 mm (W × D × H)

• Weight

  • 284 g

Termination

• Cables

  • Up to 30 m (98 ft)
  • Jacket types: Polyurethane or LSZH

• Wiring

  • Wire size: 0.2–4 mm² (24–12 AWG)