Description

FBM211 is an Invensys Foxboro 0 to 20 mA analog input module with 16 isolated channels.

Input Characteristics

• Channels: 16 group-isolated and independent

• Input Range: 0 to 20.4 mA DC (current limited to 33 mA per channel)

• Accuracy: ±0.03% of span

• Temperature Coefficient: ±50 ppm/°C

• A/D Conversion: Multiplexed Sigma-Delta per channel

• Integration Period: Software configurable

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

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

• Input Impedance: 61.9 Ω nominal

Power Requirements

• Input Voltage Range (Redundant): 24 VDC +5%, -10%

• Consumption: 7 W max at 24 VDC; 11 W max at 24 VDC with all inputs at 20.4 mA

• Heat Dissipation: 3 W max at 24 VDC

Physical Specifications

• Module Weight: 284 g

• Termination Assembly Weight: 272 g

• Dimensions:

• Height: 102 mm (114 mm with mounting lugs)

• Width: 45 mm

• Depth: 104 mm