FBM224 Foxboro P0926GG Communication Interface Module

FEATURES

The key features of the FBM224 module include:

• Conformance to Modbus Protocol: Ensures seamless communication with Modbus devices.
• Communication Interface Standards: Offers a choice of RS-232, RS-422, or RS-485 communication interfaces.
• Integration Capability: Integrates Modbus slave device data into a Foxboro control database.
• Suitability for Hazardous Locations: Suitable for installation in Class 1, Division 2, and Zone 2 locations when used with its associated termination assembly (TA).

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature:

• FBM224 Module: -20 to +60°C (-4 to +140°F)
• Termination Assembly: -20 to +70°C (-4 to +158°F)

Relative Humidity:

• Operating: 5 to 95% (noncondensing)
• Storage: 5 to 95% (noncondensing)

Storage Temperature:

• -40 to +70°C (-40 to +158°F)

Contamination:

• Suitable for use in Class G3 (Harsh) environments as defined in ISA Standard S71.04.

Vibration:

• 7.5 m/S² (0.75 g) from 5 to 500 Hz

PHYSICAL SPECIFICATIONS

Mounting:

• Module: The FBM224 mounts on a Modular Baseplate, which can be mounted horizontally or vertically on a DIN rail or in a 19-inch rack using a mounting kit.
• Termination Assembly: Accommodates multiple DIN styles, including 32 mm (1.26 in) and 35 mm (1.38 in) rails.

Weight:

• Module: Approximately 284 g (10 oz)
• Termination Assemblies:
  • Compression: 216 mm (8.51 in) – approximately 320 g (0.70 lb)
  • Ring Lug: 250 mm (9.85 in) – approximately 454 g (1.0 lb)

Part Numbers:

• Module: P0926GG
• Termination Assemblies:
  • RH926GH (supersedes P0926GH) - Compression Screw
  • P0926PA - Ring Lug

Dimensions

FBM224 Module:

• Height: 102 mm (4 in); 114 mm (4.5 in) including mounting lugs
• Width: 45 mm (1.75 in)
• Depth: 104 mm (4.11 in)

Termination Assemblies: See pages 11 and 12 for detailed dimensions.

Indicators (mounted on front of module):

• Operational Status: 1 red and 1 green LED
• Channel Communication Activity: 8 amber LEDs (one transmit and one receive per port)

Input/Output Cable Lengths:

• Maximum Cable Length, TA RS-232 Connection: 15 m (50 ft) for custom cables; 13 m (40 ft) for Foxboro standard cables
• Maximum Cable Length, RS-422 and RS-485: 1200 m (3960 ft)

Termination Cables:

• Cable Lengths: Up to 5 m (15 ft)
• Cable Materials: LSZH
• Termination Cable Type: Type 5
• Cable Connection: 37-pin male D-subminiature, TA, and baseplate

Construction - Termination Assembly:

• Material: Polyamide (PA)
• Terminal Blocks for RS-422/RS-485: 3 tiers, 8 positions
• Cable Connectors for RS-232: DB-25, four connectors
• Field Termination Connections for RS-422/RS-485:
  • Compression - Accepted Wiring Sizes:
    • Solid/Stranded/AWG: 0.2 to 4 mm²/0.2 to 2.5 mm²/24 to 12 AWG
    • Stranded with Ferrules: 0.2 to 2.5 mm² with or without plastic collar