Foxboro I/A Series FBM216 P0922VV Redundant Ready HART Input Module

Overview of the FBM216 HART Communication Redundant Input Interface Module:

• Function: The FBM216 serves as a HART communication field device host within the I/A Series system.
• Input Channels: Eight group-isolated input channels.
• Compatibility: Supports any mix of standard 4 to 20 mA devices and HART devices.
• HART Communication: Enables the system to request and receive two digital messages per second from each field device.

The functional specifications for the FBM216 HART Communication Redundant Input Interface Module:

• Field Device Channels:

  • Supported HART Protocol Version: v6
  • Interface: 8 group-isolated channels
  • Communication to the Device: Point-to-point, master/slave, asynchronous, half-duplex, at 1200 baud
  • Error Checking: Parity on each byte and one CRC check byte

• Speed:

  • Messages per Second: 2 messages per second

• Fastest Allowed ECB Block Period: 500 milliseconds

• Maximum Distance (FBM216 to Field Device):

  • Meets HART FSK physical layer specification HCF_SPEC-54, Revision 8.1
  • Up to 3030 meters (10000 feet)

• Compliance Voltage: 18 V dc minimum at 20.5 mA

• Current Inputs:

  • Sense Resistor: 61.9 Ω nominal
  • Total Input Resistance: 280 Ω minimum
  • Analog Accuracy (Includes Nonlinearity): ± 0.075% of full scale
  • Temperature Coefficient: 50 PPM/°C
  • Resolution: 15 bits
  • Update Rate: 100 milliseconds
  • Integration Time: 500 milliseconds
  • Common Mode Rejection: >100 dB at 50 or 60 Hz
  • Normal Mode Rejection: >35 dB at 50 or 60 Hz