Foxboro | I/A Series | FBM206 P0916GQ | Pulse Input Module

The key features of the FBM206/206b modules:

• For the FBM206:
  • Eight 7 to 27 V dc, configurable, pulse input channels.
• Each input channel:
  • Accepts a pulse input with a maximum rate of 25 kHz.
  • Is galvanically isolated from the other channels and ground.

The functional specifications for the FBM206/206b modules:

• Process I/O Communications: 2 Mbps module Fieldbus.

• Input Channels:

  • FBM206: 8 isolated independent pulse input channels.
  • Input Pulse Rate: 10 Hz to 25 kHz.
  • Accuracy:
    • Pulse Count: 0 to 25 kHz.
    • Pulse Rate: 0.01% of reading
  • Field Device Cabling Distance: 22.8 V dc

• Input Channels (4 or 8):

  • Loop Power Supply Protection: Each channel is channel-to-channel galvanically isolated, current-limited, and voltage regulated.
  • Channel Power Supply Input: 24 V dc ±10% at 30 mA maximum to field device.

• Power Requirements:

  • Input Voltage Range (Redundant): 24 V dc +5%, -10%
  • Consumption: 7 W (maximum)
  • Heat Dissipation: 5 W (maximum)

• Operating Conditions:

  • Module Temperature: -20 to +70°C (-4 to +158°F)
  • Termination Assembly Temperature:
    • PVC: -20 to +50°C (-4 to +122°F)
    • PA: -20 to +70°C (-4 to +158°F)
  • Relative Humidity: 5 to 95% (non-condensing)
  • Altitude: -300 to +3,000 m (-1,000 to +10,000 ft)

• Storage Conditions:

  • Temperature: -40 to +70°C (-40 to +158°F)
  • Relative Humidity: 5 to 95% (non-condensing)
  • Altitude: -300 to +12,000 m (-1,000 to +40,000 ft)

• Contamination:

  • Suitable for use in Class G3 (Harsh) environments as defined in ISA Standard S71.04, based on exposure testing according to EIA Standard 364-65, Class III.

• Vibration:

  • 7.5 m/S^2 (0.75 g) from 5 to 500 Hz.

• Output Channels (4 - FBM206b Only):

  • Output Range (Each Channel): 4 isolated independent 0 to 20.4 mA dc analog output channels.
  • Output Load (Maximum): 735 Ohms.
  • Compliance Voltage: 18.6 V nominal at 20 mA dc at I/O field terminals.
  • Accuracy: ±0.05% of span (@25°C).
  • Output Temperature Coefficient: 100 ppm/°C.
  • Communication: Via redundant Fieldbus.
  • Settling Time: 100 ms to settle within a 1% band of steady state for a 10 to 90% input step change.
  • Linearity Error: ±0.025% of span (monotonic).
  • Resolution: 12 bits.