FC-DCOM-485 Honeywell Serial Communication Converter

Product Description

The Honeywell FC-DCOM-485, also identified as FC-DCOM-485, is a serial communication converter that interfaces RS232 and RS485/RS422 electrical signal standards. It operates from a 5 VDC supply with a maximum input current of 500 mA. The converter supports baud rates up to 250 kBaud for RS232 and 2 MBaud for RS485/RS422.

Hardware Specifications

Serial Interface and Signal Conversion

The FC-DCOM-485 handles serial communication between interfaces that use RS232 and RS485/RS422 electrical signaling. The RS232 interface follows EIA/TIA-232 levels, while the RS485/RS422 interface follows EIA/TIA-485-A levels.

The maximum supported baud rate depends on the interface: 250 kBaud for RS232 and 2 MBaud for RS485/RS422. Verify the connected device's interface configuration and communication settings before commissioning. The supplied specifications do not define isolation ratings, termination requirements, or protocol-specific compatibility.

Frequently Asked Questions (FAQ)

Q: What power supply does the Honeywell FC-DCOM-485 require?

A: It requires 5 VDC +/- 5%, with a maximum input current of 500 mA.

Q: What baud rates does the FC-DCOM-485 support?

A: The specified maximum is 250 kBaud for RS232 and 2 MBaud for RS485/RS422.

Q: Which DIN rails are compatible with this converter?

A: The listed DIN rail types are TS32 and TS35 x 7.5. Confirm the mounting arrangement against the device's mechanical documentation.

Field Installation Guidelines

1. Verify the supply: Confirm that the input supply provides 5 VDC within the specified +/- 5% tolerance. Allow for a maximum current draw of 500 mA.
2. Check interface wiring: Identify the RS232 and RS485/RS422 connections before wiring. Follow the manufacturer's terminal assignments and the connected equipment's interface requirements.
3. Configure communication: Set the connected devices to compatible baud rates and serial communication parameters. Do not exceed the specified interface baud-rate limits.
4. Route cables appropriately: Keep serial communication wiring separate from high-current power cables and sources of electrical interference where practical.
5. Install on the DIN rail: Use a compatible TS32 or TS35 x 7.5 rail and verify that the converter is mechanically secure.
6. Commission the connection: Check supply polarity, wiring continuity, signal reference requirements, and communication operation before placing the connected equipment into service.

Other Attributes

• Series: Honeywell Experion PKS(C200,C300)
• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of Honeywell

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