EMERSON A6500‑CC (P/N CC9199-00120) – Communication Controller for AMS A6500 Machinery Protection

The EMERSON A6500‑CC (part number CC9199‑00120) is the communication controller module for the AMS A6500 rack. In practical terms, it’s the module that ties your protection hardware to the plant network—handling Ethernet connectivity, rack coordination, and data exchange to DCS/PLC systems. From my experience, this is typically the piece that enables Modbus TCP integration, centralized configuration access, and event forwarding without touching any sensor wiring. If you’re expanding an existing A6500 rack or replacing a failed controller, this unit helps you restore network visibility and alarm reporting with minimal downtime.

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• Warranty: 365 days
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Key Features

• Rack communication hub – Coordinates data across the AMS A6500 backplane and exposes it to plant systems.
• Industrial Ethernet (10/100) – Typically supports dual RJ45 ports for control network connectivity and diagnostics.
• Modbus TCP integration – In most cases, provides straightforward mapping of protection and status points to DCS/PLC.
• Event and alarm forwarding – You might notice faster alarm visibility at the control room versus legacy serial gateways.
• No sensor rewiring – Drop-in rack module; uses existing backplane signals and rack relays.
• Service-friendly – Front-access module; firmware updates and configuration are typically done over Ethernet.

Technical Specifications

Application Fields

This module is used wherever the AMS A6500 protects critical rotating equipment and needs to exchange data with higher-level systems:

• Oil & Gas – Compressors, turbines, and pumps with trip & alarm channels tied to the DCS
• Power Generation – Steam/gas turbines and generators needing networked condition and protection data
• Chemicals & Petrochem – API pump trains and fans, integrating interlocks to PLC/ESD over Modbus TCP
• Pulp & Paper, Metals, Mining – Large fans, blowers, and mills where protection status must be visible to operators

Advantages & Value

• Seamless fit – Designed for the AMS A6500 rack; no custom cabling or extra gateways in most cases.
• Network-ready – Ethernet/Modbus TCP support reduces engineering hours compared with serial interfaces.
• Reliability – Purpose-built for protection applications; stable behavior under noisy EMC conditions.
• Lifecycle support – Firmware updatable; keeps the installed base current without hardware changes.
• Lower integration risk – Known mapping of protection states helps commissioning teams accelerate SAT.

A controls engineer at a refinery told us this module “cut our DCS point mapping time in half” when they migrated from a mixed serial gateway to Modbus TCP. Results obviously vary, but that seems to be the common feedback.

Installation & Maintenance

• Cabinet & mounting – Install the AMS A6500 rack in a 19″ cabinet with adequate ventilation; keep ambient within 0…60 °C.
• Power & grounding – Use a clean 24 VDC rack supply and proper panel grounding; maintain shield continuity as per plant standards.
• Networking – Use industrial Cat5e/6 cabling; segregate from high‑voltage runs; consider redundant paths if your DCS supports it.
• ESD handling – Handle the module with ESD protection; insert gently into the designated A6500 slot.
• Configuration – Back up rack configuration before replacement; reapply IP, Modbus mapping, and time settings after install.
• Routine care – Periodically check connectors, clean dust filters in the cabinet, and apply firmware updates during planned outages.

Quality & Certifications

• Certifications – CE and RoHS compliance are typical for this platform; designed for industrial EMC environments.
• Manufacturing quality – Produced under ISO 9001 quality systems (vendor standard for this product line).
• Warranty – 365‑day warranty coverage from us.

If you’re replacing an existing controller, share the rack firmware level and current Modbus map. Matching those details up front typically shortens commissioning and helps avoid unexpected alarm bit shifts.