The Honeywell FC-DCOM-232/485 is a dual-channel communication module designed to bridge RS232 and RS485/422 protocols in industrial control systems. It supports baud rates up to 2 Mbps for RS485/422 and 250 kbps for RS232, ensuring high-speed data exchange between PLCs, HMIs, and SCADA systems. Equipped with surge protection and EMI/RFI shielding, it maintains signal integrity in electrically noisy environments. The module’s compact design (110 × 70 × 61 mm) allows for easy DIN rail or panel mounting, while its 5 V DC power supply compatibility minimizes energy consumption. Ideal for process industries like oil & gas, chemical, and manufacturing, it integrates seamlessly with Honeywell’s Safety Manager and Experion PKS platforms, enabling real-time monitoring and control.
Engineered to withstand extreme conditions, the FC-DCOM-232/485 features an IP65-rated enclosure that resists dust, moisture, and vibrations. It operates reliably across a wide temperature range (-40°C to +70°C) and supports extended storage at -20°C to +85°C. The module includes redundant power inputs and hot-swap capabilities, ensuring continuous operation during maintenance. With CE, UL, and TÜV certifications, it adheres to global safety standards. Its modular architecture allows for scalable expansion, supporting up to 10 communication channels per system. The built-in status indicators provide real-time feedback on connectivity and performance, streamlining troubleshooting.
The FC-DCOM-232/485 offers flexible configuration options, including selectable baud rates (9600 to 250,000 bps) and data formats (8 data bits, 1 stop bit). It supports both point-to-point and multi-drop network topologies, making it suitable for distributed control systems. The module includes pre-installed drivers for Windows and Linux, simplifying setup with host devices. Its compatibility with third-party protocols like Modbus RTU and Profibus DP enhances interoperability across diverse automation ecosystems. Backed by a 1-year warranty and Honeywell’s technical support, it delivers long-term reliability for mission-critical applications such as power generation, smart factories, and critical infrastructure.
| Attribute |
Description |
| Product Type |
Dual-Protocol Communication Interface Module for RS232/RS485/RS422 Industrial Automation |
| Brand |
Honeywell |
| Model Number |
FC-DCOM-232/485 |
| Weight |
0.66 kg (module) + 0.14 kg (terminal block) |
| Dimensions |
Module: 110 × 70 × 61 mm (L×W×H); Terminal Block: 6 × 57 × 47 mm |
| Country of Origin |
USA |
| Certifications |
CE, TÜV, UL, FM (pending for FC-DCOM-485) |
| Input Voltage |
5V DC ±5% (supplied by control processor) |
| Power Consumption |
≤5W |
| Communication Protocols |
RS232, RS485, RS422 |
| Baud Rate |
RS232: 0–250 kbps; RS485/422: 0–2 Mbps (supports transparent, FM0, FM1, Manchester coding) |
| Signal Compatibility |
EIA/TIA-232 and EIA/TIA-485-A standards |
| Mounting Options |
DIN rail (TS32/TS35×7.5) or panel-mount with 117 mm rail compatibility |
| Environmental Ratings |
Operating Temp: -40°C to +70°C; Humidity: 0–95% RH (non-condensing) |
| Warranty |
1 Year |
| Applications |
Oil & gas, petrochemical, manufacturing, power generation, and smart infrastructure |
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Honeywell FC-DCOM-232/485 Comm Interface FTA RS232 & RS485 Industrial Automation Connectivity Exclusive Model Insights Images
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