Honeywell 9007-006 Communications Card Board

The Honeywell 9007-006, also cataloged as the 9007-006 DMCS Communications Card Board, operates as a dedicated hardware component for serial and Ethernet data transmission within Honeywell Series 9000 controller platforms.

Hardware Specifications

Channel-To-Channel Isolation And Loop Protocol Integrity

The communication card incorporates galvanically isolated serial transceivers and Ethernet transformer isolation to safeguard backplane processing logic from field transmission line transients. While managing Modbus TCP/IP and Modbus RTU data streams across RS-232 and RS-485 interfaces, the board maintains signal integrity without interfering with analog loop power or 4-20 mA HART loop protocol instruments sharing common cabinet grounding networks. Cold junction compensation (CJC) processing and noise rejection filtering on the host controller remain fully uncompromised during multi-port serial polling cycles.

Frequently Asked Questions

Q: Can the 9007-006 communications card be hot-swapped while the Series 9000 controller rack is powered?

A: No. Rack power must be shut down before inserting or extracting the board from the backplane slot to prevent bus communication latch-up or transceiver damage.

Q: What baud rates and wiring distances are supported on the RS-485 interface?

A: The RS-485 port supports standard Modbus RTU communication up to 115.2 kbps over shielded twisted-pair cabling up to 1200 meters, requiring proper 120 ohm line termination resistors at the physical network endpoints.

Field Installation Guidelines

• Isolate all electrical power sources supplying the Series 9000 controller rack prior to opening the chassis or handling the communications board.
• Maintain electrostatic discharge (ESD) precautions by wearing a grounded wrist strap when aligning the module card edges with the backplane connector.
• Secure all serial RS-232/RS-485 cable connectors and RJ-45 Ethernet cables, ensuring shield drain wires are tied directly to the cabinet ground bar.
• Confirm communication link status and diagnostic LED activity upon power-up before placing the node online for supervisory host polling.