FC-DCOM-232/485 Honeywell Communication Interface Module

Product Description

The Honeywell FC-DCOM-232/485, also identified by the base model DCOM-232/485, is a communication interface module that provides one RS-232 output port and two RS-485 output ports. It operates from a 5 VDC supply with a maximum input current of 500 mA. The module supports serial communication using EIA/TIA-232 and EIA/TIA-485-A electrical signaling standards.

Hardware Specifications

Serial Communication Interface Characteristics

The FC-DCOM-232/485 provides separate serial output interfaces for connecting compatible communication equipment. The RS-232 port follows EIA/TIA-232 electrical signaling levels, while the RS-485 outputs follow the EIA/TIA-485-A standard.

The specified RS-232 baud-rate range extends to 250 kBaud. The available data does not define the maximum RS-485 baud rate, cable length, connector pin assignments, or port isolation characteristics. Verify these parameters against the manufacturer's documentation before integrating the module into a serial communication network.

Frequently Asked Questions (FAQ)

Q: What serial interfaces does the FC-DCOM-232/485 provide?

A: It provides one RS-232 output port and two RS-485 output ports. The specified electrical standards are EIA/TIA-232 and EIA/TIA-485-A.

Q: What power supply does this module require?

A: The module requires 5 VDC +/-5%, with a maximum input current of 500 mA. Confirm that the host supply can support this load.

Q: Can the module operate at an RS-232 baud rate of 250 kBaud?

A: The supplied specifications list an RS-232 baud-rate range of 0-250 kBaud. Confirm the required communication settings and compatibility with the connected equipment before commissioning.

Field Installation Guidelines

1. Verify the module identification and compatibility with the intended Honeywell host system before installation.
2. Confirm the 5 VDC supply polarity and voltage tolerance. Ensure that the power source can provide the specified maximum current.
3. Identify the RS-232 and RS-485 connections using the manufacturer's terminal or connector documentation. Do not infer pin assignments from port count alone.
4. Route serial communication cables away from high-current conductors and sources of electrical interference where practical.
5. For RS-485 wiring, follow the network topology, polarity, termination, and biasing requirements specified by the system documentation.
6. Apply cable shielding and grounding according to the manufacturer's installation instructions and the site's grounding practices.
7. Before energizing the system, inspect connectors and wiring. After installation, verify serial settings and communication with the connected equipment.

Other Attributes

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

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