Description

The ABB 235820-00171490 is a high-reliability relay module engineered for demanding industrial automation and distributed control systems (DCS). This unit provides a secure, robust interface for field wiring, designed to facilitate signal routing and support fault-tolerant architectures in continuous industrial processes.

Built for demanding environments, the 235820-00171490 integrates individually isolated signal channels capable of handling standard control voltage and current levels. Its rugged physical construction and wide operating temperature tolerance ensure dependable performance, minimizing downtime in critical application nodes.

Features

• Engineered specifically for ABB industrial automation and DCS control platforms
• Individually isolated signal channels for robust electrical separation
• Designed for reliable field signal switching and intermediate interposing tasks
• Wide operating temperature range suitable for harsh industrial cabinet conditions
• DIN-rail or panel-mountable form factor for straightforward integration

Applications

• Distributed Control Systems (DCS) interposing and signal switching
• Critical process automation and safety-related control loops
• Heavy manufacturing and continuous industrial plant operation
• Power generation and substation automation interfaces

Technical Specifications

Installation Guidelines

1. Verify that the part number 235820-00171490 matches your system bill of materials.
2. Ensure all power to the target rack or subassembly is fully de-energized before handling hardware.
3. Inspect the module housing and connection terminals for any transit damage.
4. Securely mount the relay module onto the designated DIN-rail or mounting plate.
5. Connect field wiring and system cables in accordance with your specific loop diagrams.
6. Re-energize the circuit and verify proper channel operation via system diagnostics.