Description

Overview

The ABB DI04 Digital Input Module is a compact and reliable component of the SD Series I/O system, designed to process up to 16 individual digital signals. Each channel is channel-to-channel isolated and supports 48 VDC inputs, making it ideal for industrial environments requiring robust signal integrity and flexible configuration. With galvanic isolation and LED indicators, the DI04 ensures safe, visible, and efficient digital input handling.

Key Features

• Supports 16 independently configured digital input channels

• Each channel is CH-2-CH isolated for enhanced signal integrity

• Operates with 48 VDC input signals, 1.5 mA typical per channel

• Configurable debounce time up to 255 milliseconds

• Capable of sinking or sourcing I/O current

• Frontplate LEDs display input status for quick diagnostics

• Provides galvanic isolation of 1500 V for up to 1 minute

• Does not support Sequence of Events (SOE) logging

• Configured via FC 221 and FC 224 function codes

• Includes mini-USB service port for diagnostics and updates

Technical Specifications

Applications & Compatibility

The DI04 module is ideal for industrial automation systems requiring high-density digital input processing with robust isolation. It integrates seamlessly into ABB’s SD Series architecture and supports flexible configuration for alarm states, debounce timing, and signal sourcing/sinking. Its compact footprint and diagnostic features make it suitable for control panels, distributed I/O systems, and process monitoring environments.

Specifications

• Dimensions: 51 mm × 190 mm × 138 mm
• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems