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Eaton 8922-RB-IS PAC8000 Rail Bus Isolator

Warranty: 365 days
Quality: Original module
Condition: New / Used
Warehouse: Spot
Delivery time: Shipped in 3 days after payment
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Eaton 8922-RB-IS PAC8000 Rail Bus Isolator

Product Core Overview
The Eaton 8922-RB-IS is a specialized signal isolation module designed for the Eaton PAC8000 control platform. It serves as a critical infrastructure component within the system’s backplane, providing essential electrical isolation between different segments of the rail bus to ensure signal integrity and protect sensitive I/O modules in complex or hazardous area applications.
Key Technical Specifications
  • Manufacturer: Eaton (Cutler-Hammer)
  • Series: PAC8000
  • Functional Description: Rail Bus Isolator / Signal Isolator
  • System Type: Programmable Automation Controller (PAC) / Distributed Control System (DCS)
  • Mounting: Modular Rack-Mounted (Carrier/Backplane)
  • Primary Function: Provides current isolation between the 2/1 side of the isolator and modules connected to the traditional 2/2 side.

8922-RB-IS

Recommended Same-Series Models
For system expansion or alternative configurations within the PAC8000 platform, consider:
  • PAC8000 Bus Interface Modules (BiM): For connecting the PAC8000 rack to various fieldbus networks.
  • PAC8000 I/O Modules: Standard or hazardous-area rated I/O cards designed to mount on the PAC8000 carrier.
  • PAC8000 Power Supplies: Dedicated power units for the PAC8000 backplane.
Professional Quality Control Test SOP
To ensure operational reliability in critical control loops, suppliers typically adhere to the following testing protocols:
  1. Visual & Physical Inspection: Verification of the 8922-RB-IS part number, carrier rail integrity, and backplane connector pin condition.
  2. Functional Bench Testing: Installing the isolator in a test rack to validate proper bus communication and signal isolation between segments.
  3. Signal Integrity Test: Verifying that the isolation barrier effectively prevents ground loops and electrical noise interference.
  4. Final Certification: Issuance of a certificate of conformity confirming the unit is fully operational and meets original manufacturer specifications.
Application Scenarios & Features
  • Primary Applications: Process automation in oil & gas, power generation, and transit systems (e.g., subway signal processing) utilizing the Eaton PAC8000 platform.
  • Key Features:
    • Electrical Isolation: Protects downstream I/O modules from voltage surges and ground potential differences.
    • Modular Architecture: Seamlessly integrates into the PAC8000 backplane, supporting both general purpose and hazardous area I/O.
    • Signal Integrity: Ensures accurate data transmission across the control network by isolating noisy or critical signal segments.
Frequently Asked Questions (FAQ)
  • Q: What is the primary function of the 8922-RB-IS?
    A: It acts as a rail bus isolator within the PAC8000 system, providing electrical separation between different sections of the backplane to protect modules and ensure signal accuracy.
  • Q: Is this module a CPU or a controller?
    A: No, it is a passive isolation component. It does not execute control logic but is essential for the physical integrity of the PAC8000 backplane.
  • Q: When is this isolator required?
    A: It is typically required when using specific 2/1 I/O modules in a node, or when electrical isolation is needed between different segments of the PAC8000 rack.
  • Q: What system platform is this compatible with?
    A: It is exclusively designed for the Eaton PAC8000 automation platform.