FC-DCOM-485 HONEYWELL Communication Interface Module
| Product Description |
|
The Honeywell FC‑DCOM‑485 (commonly referenced in catalogs as FC‑DCOM‑232/485 or FC‑DCOM‑234/485) is an industrial communication interface module designed to provide serial communication connectivity between Honeywell control systems (such as Safety Manager, Experion, or field controllers)
and external devices using RS‑232, RS‑422, and RS‑485 standards. It acts as a bridge for serial data traffic within process
automation, safety systems, PLCs, RTUs, and other industrial equipment.
|
| More Technical Data |
| Model |
FC‑DCOM‑485 (often cataloged as FC‑DCOM‑232/485) |
| Manufacturer |
Honeywell |
| Baud Rates |
RS‑232: up to ~250 kbps; RS‑485/422: up to ~2 Mbps (depending on version) |
| Input Voltage |
~5 V DC ±5% (provided by control processor/backplane) |
| Frequently Asked Questions |
|
Q1: What is the FC‑DCOM‑485 module used for?
A: It’s a communication interface module that bridges serial communication standards (RS‑232, RS‑422, RS‑485) between Honeywell controllers and external serial devices, enabling reliable data exchange in industrial automation.
Q2: Which serial protocols does it support?
A: It supports RS‑232 and RS‑485/RS‑422 physical layers, typically with Modbus RTU and ASCII protocols, allowing integration with
many field and legacy devices.
Q3: Can it be used to connect multiple devices on RS‑485?
A: Yes. RS‑485 supports multi‑drop (multi‑node) networks. FB‑DCOM‑series modules are configured to allow multiple
devices on the RS‑485 bus (up to RS‑485 specification limits).
|
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