• Schneider ASS908022
  • Schneider ASS908022
  • Schneider ASS908022
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Schneider Modicon S908 ASS908022 Remote I/O Processor Module

Schneider Modicon S908 ASS908022 Remote I/O Processor Module

Description

The Schneider Electric ASS908022 is a dedicated S908 remote I/O processor designed for integration within Modicon 984 and Quantum PLC backplane architectures. This module serves as a critical communication interface,...

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SKU: ASS908022
Proveedora: Schneider
tipo: Remote I/O Processor Module
Related Series:

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Autenticidad y garantía

  • Garantía genuina: Suministramos únicamente piezas de automatización industrial 100% originales, nuevas y selladas de fábrica .
  • Cobertura total: cada componente está respaldado por una garantía integral de 12 meses a partir de la fecha de compra.
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Description

The Schneider Electric ASS908022 is a dedicated S908 remote I/O processor designed for integration within Modicon 984 and Quantum PLC backplane architectures. This module serves as a critical communication interface, facilitating deterministic data exchange across distributed I/O networks. It is specifically engineered for high-availability industrial environments, including power generation, mining, and petrochemical processing, where reliable signal transmission is essential for maintaining continuous operations.

Features

  • Supports deterministic token-passing communication protocols for real-time I/O data mapping.
  • Features dual-channel coaxial interface support for physical layer redundancy.
  • Automatic switchover capability between Channel A and Channel B within a single scan cycle upon fault detection.
  • Galvanic isolation to protect sensitive backplane components from EMI and voltage surges.
  • Direct register mapping from remote drops to the main controller memory space.

Applications

This module is optimized for large-scale distributed control systems utilizing coaxial media. It is frequently deployed in facilities requiring robust remote I/O scanning, such as thermal power stations and complex chemical processing plants, where it helps minimize system downtime by isolating communication loop failures.

Technical Specifications

Model ASS908022 (S908 022)
Brand Schneider Electric
Network Baud Rate 1.544 Mbps
Power Requirements 850 mA at 5 VDC (Backplane)
Interface Dual BNC (Channel A/B)
Transmission Medium 75 Ohm RG-6 or RG-11 Coaxial
Max Drop Capacity 32 Remote I/O Stations
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C

Installation Guidelines

  • Ensure the PLC rack is powered down before inserting or removing the module to prevent backplane damage.
  • Verify that the coaxial cables are properly terminated with 75 Ohm connectors to prevent signal reflection.
  • Maintain proper grounding of the coaxial shield at designated points to minimize electromagnetic interference.
  • Avoid routing communication cables in parallel with high-voltage power lines.
  • Ensure adequate ventilation in the cabinet to maintain ambient temperatures within the specified 0 to 60 deg C range.

FAQ

Does this module support redundant network cabling?

Yes, the ASS908022 is designed for dual-channel operation, allowing for automatic failover between two independent coaxial paths to ensure network integrity.

What is the maximum distance for the S908 network?

The system supports up to 1500 meters for point-to-point connections, with the capability to extend up to 4500 meters when utilizing appropriate network repeaters.