Honeywell FC-DCOM-234/485 | Communication Interface Module

Product Description

The FC-DCOM-234/485 from Honeywell is a communication interface module designed to provide flexible connectivity between control processors and industrial devices. Supporting both RS232 and RS485/422 outputs, it enables reliable data transmission across multiple protocols. Its compact design, protective coating, and DIN rail mounting capability make it suitable for integration into demanding automation environments.

Technical Specifications

• Model Number: FC-DCOM-234/485

• Manufacturer: Honeywell

• Product Type: Communication Interface Module

• Dimensions (H × W × D): 110 mm × 70 mm × 61 mm (4.33 in × 2.76 in × 2.40 in)

• Weight: 0.66 kg (1.46 lbs)

• Input Voltage: 5 VDC ±5%

• Input Current: Max. 500 mA (supplied by control processors)

• Outputs: RS232 and RS485/422

• Baud Rate:

• RS232: 0–250 kBaud

• RS485/422: 0–2 MBaud (transparent, FM0, FM1, or Manchester coded)

• Operating Temperature: –10 °C to +60 °C (14 °F to 140 °F)

Key Features

• Dual Communication Ports: RS232 and RS485/422 for versatile connectivity

• DIN Rail Mounting: Snap-in provision for TS32/TS35 rails simplifies installation

• Conformal Coating: Protects against environmental stress and contamination

• Protocol Flexibility: Supports multiple coding formats for industrial communication

• Compact and Robust: Lightweight yet durable design for long-term use

Application Scenarios

The FC-DCOM-234/485 is suitable for:

• Control system integration requiring RS232 and RS485/422 communication

• Industrial automation environments with diverse protocol requirements

• Distributed control systems needing reliable communication modules

• Safety Manager systems requiring robust interface solutions

FAQ

Q: What communication protocols are supported?  A: RS232 and RS485/422 with baud rates up to 2 MBaud.

Q: How is the module mounted?  A: It uses a snap-in design for TS32/TS35 DIN rails.

Q: What environmental protection is included?  A: Conformal coating ensures reliable operation in harsh conditions.

Comparison with Similar Models

• FC-DCOM-232: RS232-only communication interface.

• FC-DCOM-234/485: Dual-port design supporting RS232 and RS485/422 with higher baud rates.