The ABB DO930 (Order Code: 3BDS014114) is a high-performance digital relay output module designed specifically for the S900 I/O system. This module provides six independent output channels, engineered to deliver reliable switching for industrial control applications. It is built to support the rigorous demands of process automation, offering robust electrical isolation and flexible configuration options.

Features

• Six independent digital relay output channels.
• Supports a wide output voltage range up to 250V AC/DC.
• Maximum switching current capacity of 2A per channel.
• Integrated individual channel isolation for enhanced signal integrity.
• Supports power and communication redundancy within the S900 I/O architecture.
• Designed for high availability with hot-swap and hot-configuration-in-run capabilities.

Applications

This module is typically deployed in distributed I/O systems where reliable relay switching is required for field devices, such as solenoid valves, contactors, or alarm indicators. Its design makes it suitable for hazardous or demanding industrial environments where the S900 series is utilized for remote I/O processing.

Technical Specifications

Installation Guidelines

• Ensure the system is powered down before attempting to insert or remove the module from the I/O rack.
• The module is designed for mounting within the S900 I/O system base; ensure proper seating to maintain electrical connection.
• Follow standard ESD precautions when handling the module to prevent damage to internal circuitry.
• Verify that wiring connected to the relay outputs does not exceed the 2A current limit per channel to prevent relay contact degradation.
• Maintain adequate spacing in the cabinet to ensure proper airflow and cooling for the S900 rack components.

FAQ

Does the DO930 support hot swapping? Yes, the module is designed to be hot-swappable, allowing for maintenance or replacement without shutting down the entire I/O system.

What is the maximum voltage rating for this module? The DO930 is rated for operation up to 250V AC/DC.

Is this module compatible with other I/O systems? No, the DO930 is specifically engineered for the ABB S900 I/O system series.