Foxboro | FBM218 P0922VW | Redundant Output Interface Module

Overview

FBM218 P0922VW is a redundant output interface module supporting HART® communication, with 8 isolated output channels.

Field Device Channels

• Supported HART Versions: Compatible with Version 5, 6, or 7 instruments
• Interface: 8 isolated output channels
• Communication: Point-to-point, master/slave, asynchronous, half-duplex, at 1200 baud
• Error Checking: Parity per byte and 32-bit CRC per message
• Speed: 2 messages per second
• Fastest Block Period: 100 ms (Refer to Control Processor guidelines for optimal loading)

Distance and Compliance

• Maximum Distance: Up to 3030 m (10,000 ft)

Current Outputs

• Analog Accuracy: ±0.05% of span (4–20 mA)
• Output Load: 750 Ω maximum
• Rate of Change: 20 mA in 60 ms
• Resolution: 13 bits

Loop Power and Isolation

• Channel Protection: Galvanically isolated, current limited, voltage regulated
• Maximum Current: 25 mA (100 mA in fault conditions)
• Channel Isolation: Withstands 600 V AC between channels and ground

Environmental Specifications

• Operating Temperature:
  • Module: -20 to +60°C
  • Termination Assembly: -20 to +70°C
• Relative Humidity: 5–95% (non-condensing)
• Altitude: -300 to +3,000 m

Storage Conditions

• Temperature: -40 to +85°C
• Relative Humidity: 5–95% (non-condensing)
• Altitude: -300 to +12,000 m

Mounting

• Module: Compact 200 Series 16-slot horizontal baseplate (DIN rail or 19-inch rack)
• Termination Assembly: Compatible with 32 mm and 35 mm DIN rails

Dimensions and Mass

• Module:
  • Height: 130 mm
  • Width: 25 mm
  • Depth: 150 mm (with connectors: 139 mm)
  • Mass: 185 g
• Termination Assembly:
  • Compression: 181 g
  • Ring Lug: 249 g