ABB C1590-CS31-HA Redundant Bus Module

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• ABB C1590-CS31-HA Redundant Bus Module

  The ABB C1590-CS31-HA is an industrial-grade redundant bus module designed for distributed control systems (DCS) or automation networks, providing high-reliability communication. The module supports dual-bus channels, allowing automatic switchover to the backup channel in case of a primary bus failure, ensuring continuous system operation.

  Main Technical Specifications

  • Product type: Redundant Bus Module

  • Model: C1590-CS31-HA

  • Communication interface: Dual-bus redundant channels

  • Supported protocols: Compatible with ABB DCS / PLC communication protocols

  • Power supply: 24 V DC

  • Power consumption: Typical < 5 W

  • Operating temperature: 0 ℃ to +60 ℃

  • Storage temperature: ‑20 ℃ to +70 ℃

  • Protection class: IP20 (mounted inside control cabinet)

  • Mounting: DIN rail or modular slot installation

  • Switchover time: Automatic < 5 ms

  • Status indicators: LEDs display primary/backup bus status

  Advantages and Features

  • High reliability: Dual-channel redundancy ensures stable system communication; backup bus takes over instantly if the primary fails

  • Fast switchover: Minimizes system downtime

  • Easy integration: Compatible with ABB DCS/PLC architectures, plug-in module design

  • Intuitive status display: LEDs indicate real-time primary/backup channel status

  • Space-saving: Modular design suitable for dense control cabinet installation

  Applications

  • Redundant networks in Distributed Control Systems (DCS)

  • Automation control system bus redundancy

  • Energy, chemical, metallurgy, pharmaceutical, and manufacturing industries

  • Critical production lines and process control networks

  • Industrial control environments requiring high availability

  Precautions

  1. Installation must be performed by qualified automation or electrical personnel

  2. Ensure the control system bus protocol matches the module

  3. Avoid exposure to moisture, corrosive, or high-temperature environments; install inside cabinets

  4. Apply ESD protection during installation and maintenance

  5. Regularly check status LEDs and bus communication to ensure redundancy functionality

  6. Follow ABB official manuals for setup, commissioning, and maintenance

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