GE ACC 5595- 208

Description

Product Description

The GE ACC 5595- 208 is a high-performance, rack-mounted I/O communication module designed for the GE Fanuc / GE Intelligent Platforms (now part of Emerson) 90-70 series Programmable Logic Controller (PLC). This module serves as a critical interface between the CPU and various Genius I/O blocks or other compatible field devices, managing data exchange across a distributed network. The ACC 5595- 208 facilitates high-speed, deterministic communication, which is essential for synchronizing processes across a manufacturing line or plant area. Integrating the GE ACC 5595- 208 module into a 90-70 rack expands the system’s capability to communicate with remote I/O clusters efficiently.

Product Parameters

• Manufacturer / Brand: GE Fanuc / GE Intelligent Platforms (Historical, now under Emerson)

• Product Type: Genius Bus Controller / Communication Coprocessor Module

• Model: ACC 5595- 208

• System Compatibility: GE Series 90-70 PLC.

• Bus Protocol: Genius I/O Bus Controller. Manages communication with distributed Genius I/O blocks.

• Bus Speed: Supports the standard Genius bus data rate (e.g., 153.6 kbaud).

• Rack Compatibility: Designed for insertion into a 90-70 series VME rack.

• Slot Usage: Typically occupies a single slot in the rack, but functions as a dedicated communication coprocessor, offloading I/O traffic from the main CPU.

• Diagnostic Indicators: Features LED status indicators for power, communication health, and fault conditions on the Genius bus.

• Addressing: Configurable via DIP switches or software to define its logical address on the Genius network.

Advantages and Features

• Distributed I/O Management: The primary function of the GE ACC 5595- 208 is to efficiently manage a network of remote Genius I/O blocks, reducing wiring costs and centralizing I/O data for the CPU.

• Deterministic Communication: The Genius bus protocol provides predictable and repeatable scan times for I/O updates, which is crucial for time-sensitive control applications.

• Fault Isolation: By segregating I/O communication onto a separate bus managed by this module, faults on the Genius network are isolated from the main CPU’s backplane, enhancing overall system stability.

• Comprehensive Diagnostics: Provides clear visual and software-based diagnostics for the entire Genius network, allowing for rapid troubleshooting of field device or cable issues.

• Proven Legacy Support: As a core component for the widely installed 90-70 platform, this module is essential for extending the operational life and maintaining the performance of these reliable control systems.

Application Cases in Application Fields

• Automotive Assembly: In a paint shop, a 90-70 PLC with the GE ACC 5595- 208 module controls a network of Genius I/O blocks that interface with solenoid valves for paint color selection, conveyor photo-eyes, and safety door switches, ensuring synchronized operation.

• Food & Beverage Processing: Manages the distributed I/O for a packaging line, where the module communicates with blocks controlling fill-level sensors, cap torque monitors, and label printer triggers.

• Water/Wastewater Treatment: Used to gather data from remote pump houses and valve stations via Genius I/O, bringing analog signals (flow, pressure) and discrete statuses back to the central 90-70 controller for SCADA monitoring.

• Material Handling in Airports: Controls a baggage handling system, where the ACC 5595- 208 communicates with I/O blocks that read barcode scanners and control divertor arms to route luggage to the correct destination.

Comparisons with Competing Products

Within the context of the 90-70 ecosystem, the GE ACC 5595- 208 is the dedicated solution for Genius I/O communication. Comparisons are most relevant against:

1. Other 90-70 Communication Modules: Compared to modules for other networks (e.g., Profibus, Ethernet), the ACC 5595- 208 is specialized for the proprietary, deterministic Genius protocol, which was a key strength of the GE platform.

2. Third-Party or Refurbished Units: While third-party repaired modules exist, the genuine GE ACC 5595- 208 ensures firmware compatibility, reliable performance, and proper electrical characteristics. Non-OEM parts may not fully replicate the timing and diagnostic integrity of the original.

3. Modern Alternatives (e.g., Emerson PACSystems): Contemporary controllers use different, faster networking technologies (Ethernet/IP, Profinet). The ACC 5595- 208‘s value is in supporting and bridging existing, proven Genius I/O installations without a costly full rip-and-replace upgrade.

Selection Suggestions and Precautions

1. Confirm System and Rack Compatibility: Ensure your 90-70 CPU model and rack type (VME) are compatible with the GE ACC 5595- 208. Verify the required rack slot and backplane configuration.

2. Genius Network Design: Before installation, have a clear map of the Genius network topology, including the number of I/O blocks, their addresses, and total cable length, to ensure it is within the specifications managed by this controller.

3. Address Configuration: Correctly set the module’s hardware address (via DIP switches) to match the configuration defined in the PLC programming software (Logicmaster 90 or Proficy Machine Edition).

4. Bus Termination and Wiring: The Genius bus is a daisy-chained network requiring proper termination at both ends. Use only approved Genius bus cable and connectors to ensure communication integrity.

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