Description

ABB DI840 3BSE020836R1

This rugged, reliable, and powerful 16-channel digital input module is a key component of ABB’s high-end distributed control system (DCS) solutions, designed for accurate and stable condition monitoring in harsh industrial environments. Its high density, isolation, and diagnostic capabilities make it an ideal choice for medium to large automation projects.

Key Features

1. High Channel Density:

   • Provides 16 independent digital input channels, allowing connection to a large number of field devices in a single compact module unit. This helps save control cabinet space and wiring costs.

2. High-Reliability Design:

   • Features electrical isolation between channels and between the channels and the system bus. This effectively prevents interference, surges, or faults on the field side from affecting the entire control system, enhancing overall system stability and safety.

   • Complies with stringent Electromagnetic Compatibility (EMC) standards for industrial environments.

3. Flexible Input Types:

   • Supports various input signal types, depending on configuration:

     • Dry Contact: The most common type, directly reading the open/close state of a passive contact.

     • Wet Contact: Can read voltage signals from an external power source (e.g., 24V DC).

4. Diagnostics and Status Indication:

   • The module is typically equipped with LED status indicators, including:

     • Channel Status Lights: Each channel has an indicator showing its current signal state (ON/OFF), facilitating easy commissioning and troubleshooting.

     • Module Status Light: Indicates the module’s Run, Fault, or communication status.

5. Hot-Swapping Capability:

   • In most S800 I/O systems, this module supports hot-swapping. This allows for the replacement or installation of I/O modules without powering down the system or stopping the entire production process, significantly enhancing system availability and maintenance convenience.

6. Integration into the ABB Ecosystem:

   • As part of the S800 series, it integrates seamlessly into ABB’s automation systems like 800xA or Freelance. Its configuration, programming, and diagnostics can all be performed within a unified engineering environment.

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Technical Specification Summary

• Product Type: S800 I/O Digital Input Module

• Number of Channels: 16

• Input Type: Dry Contact / Wet Contact (typically 24V DC)

• Rated Voltage: Typically 24V DC (please refer to the manual for specifics)

• Isolation: Channel-to-channel isolation, isolated from internal logic

• Backplane Communication: Communicates with the master controller (e.g., AC 800M) via an S800 I/O Unit (e.g., CI851, CI854)

• Installation: Mounts on an S800 series rail-mounted termination unit (e.g., TU847, TU848)

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Typical Applications

Due to its high reliability and flexibility, the DI840 module is widely used in various industrial automation fields requiring extensive status monitoring:

• Process Industries: Oil & Gas, Chemicals, Pharmaceuticals, Water Treatment. Used to monitor valve positions, pump running status, level switches, pressure switches, etc.

• Power Industry: In power generation and distribution systems, for monitoring circuit breaker status, isolator switch positions, protection relay signals, etc.

• Manufacturing: Used in automated production lines to monitor robot positions, safety door switches, conveyor belt status, product detection sensors, etc.

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Sales of the brand:

ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.

 

☀️Tara(Sales Director)

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🥇Product Condition: One-year warranty

 

Company Overview

Main Products

We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:

• FOXBORO | EMERSON | TRICONEX | XYCOM | BENTLY
• ROCKWELL | ABB | GE | Aen-Brady | YOKOGAWA
• HONEYWELL | RELIANCE | SCHNEIDER | MODICON
• Westinghouse | WOODWARD | Motorola | Rexroth | SEW

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