ABB DI581-S Digital Input Module for S800 I/O System(XIONGBA)

ABB DI581-S Digital Input Module for S800 I/O System(XIONGBA)

Brand Model: ABB DI581-S
Product Name: S800 I/O Digital Input Module
Warranty: 1 year
Size: 34 mm (width) × 150 mm (height) × 170 mm (depth)
Weight: 0.3 kg
Origin: Sweden
Inventory: Available in Xiamen
Delivery Time: 3-5 days after payment

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Description

Product Overview

The ABB DI581-S is a high-reliability 16-channel digital input module designed for ABB’s S800 I/O system, part of the AC 800M controller family. Engineered for harsh industrial environments, it enables precise monitoring of binary signals from sensors, switches, and actuators, with robust noise immunity and real-time diagnostics.

 

Key features include 24 VDC input compatibility, galvanic isolation (2.5 kVrms) between channels and system ground, and configurable input filtering (1–20 ms) to eliminate transient disturbances. The module supports both sink and source input configurations, adapting to diverse field wiring standards. Its hot-swappable design allows maintenance without system shutdown, critical for continuous operations in manufacturing and process industries .

 

In automation networks, the DI581-S integrates seamlessly with ABB’s Control Builder M software, enabling quick configuration of input states, diagnostic thresholds, and event triggering. For example, it can monitor valve positions in chemical plants or conveyor belt status in automotive assembly lines, feeding real-time data to the controller for process optimization .

Technical Specifications

Parameter Name Parameter Value
Product Model DI581-S
Manufacturer ABB
Product Type Digital Input Module for S800 I/O System
Input Channels 16 (isolated, 24 VDC)
Input Voltage Range 16–30 VDC (logic “1”), ≤5 VDC (logic “0”)
Input Current 4 mA (per channel at 24 VDC)
Response Time ≤1 ms (with filtering disabled)
Galvanic Isolation 2.5 kVrms between channels/system ground
Filtering Software-configurable (1, 2, 4, 8, 16, 20 ms)
Power Supply 24 VDC (via backplane from controller)
Current Consumption ≤80 mA (module only, excluding field inputs)
Operating Temperature -20°C to +70°C
Storage Temperature -40°C to +85°C
Physical Dimensions 34 mm (width) × 150 mm (height) × 170 mm (depth)
Weight 0.3 kg
Certifications CE, UL, CSA, ATEX (Zone 2), IECEx (for non-hazardous areas)

Main Features and Advantages

High-Speed Signal Acquisition: The DI581-S’s 16-channel architecture and ≤1 ms response time enable real-time monitoring of fast-changing signals, such as proximity sensors in packaging machines or encoder pulses in material handling systems. Its low input current (4 mA) minimizes load on field devices, ideal for battery-powered sensors .

 

Robust Noise Immunity: With 2.5 kVrms galvanic isolation and configurable input filtering, the module resists electromagnetic interference (EMI) and radio-frequency interference (RFI) in harsh environments. This makes it suitable for steel mills, where high-voltage motors and welding equipment generate intense noise, or for offshore platforms exposed to saltwater corrosion .

 

Flexible Input Configurations: The module supports both sink (NPN) and source (PNP) input types, eliminating the need for external level converters. Field wiring is simplified via a removable terminal block (TB581) with screw connections, reducing installation time by 30%. LED indicators for each channel show input status (ON/OFF) and fault conditions, aiding rapid troubleshooting .

 

Modular System Integration: As part of the S800 I/O family, the DI581-S connects to ABB’s AC 800M controllers via Ethernet Powerlink (real-time network) or Modbus RTU, enabling distributed control across large facilities. It supports hot-swapping, allowing replacement of faulty modules without process interruption—a critical feature for 24/7 operations in oil refineries or pharmaceutical plants .

 

Advanced Diagnostics: The module provides real-time diagnostics for open circuits, short circuits, and overvoltage conditions, with fault information transmitted to the controller for proactive maintenance. ABB’s Ability™ Condition Monitoring can leverage this data to predict component degradation, reducing unplanned downtime by up to 25% .

Application Areas

Process Industries:

 

  • Oil & Gas: Monitors pressure switch states in pipelines and wellheads, integrating with ABB’s OMS800 safety system for emergency shutdown (ESD) protocols.
  • Chemical Plants: Tracks agitator run/stop signals and valve positions in reactor systems, supporting ISO 15118 compliance for automated process control .

 

Manufacturing Automation:

 

  • Food & Beverage: Monitors conveyor belt sensors and filling machine safety interlocks, ensuring hygiene standards (FDA, HACCP) via stainless steel enclosures (optional).
  • Automotive: Reads proximity sensors on robotic welding arms and paint booth access doors, synchronizing with ABB’s IRC5 robot controllers for cycle-time optimization .

 

Energy & Utilities:

 

  • Power Generation: Monitors circuit breaker positions in substations, interfacing with ABB’s REL670 protective relays for grid stability.
  • Water Treatment: Tracks level switches in clarifiers and pump status in wastewater networks, supporting SCADA systems via Modbus TCP/IP .

Related Products

  1. ABB DO581-S: Digital output module (16-channel, 24 VDC) compatible with DI581-S, enabling closed-loop control in S800 I/O systems.
  2. ABB AI581-S: Analog input module (8-channel, 4–20 mA/0–10 V) for integrating sensor data alongside digital inputs.
  3. ABB AC 800M Controller: Central processing unit for S800 I/O, supporting redundant configurations and high-speed Ethernet Powerlink.
  4. ABB TB581 Terminal Block: Removable wiring block for DI581-S, facilitating quick replacement during maintenance.
  5. ABB S800 I/O Bus Module: Connects I/O racks to the controller, supporting up to 16 modules per rack and expandable to 32 racks per network.

Installation and Maintenance

Installation:

 

  1. Mount the module on a DIN rail in a control cabinet, ensuring 50 mm clearance for airflow.
  2. Connect field wires to the TB581 terminal block, following sink/source wiring diagrams in the user manual.
  3. Link the module to the S800 I/O bus via a bus cable, and configure inputs (filtering, fail-safe states) using ABB’s Control Builder M software.

 

Maintenance:

 

  • Regularly inspect LED indicators for channel status and fault warnings. Replace faulty modules with hot-swapping to avoid production stops.
  • In dusty environments, clean the module with compressed air (≤0.5 bar) to prevent heat buildup.
  • Update firmware annually via ABB’s Software Manager to access new features and security patches. ABB’s Remote Service Portal offers diagnostic tools for offsite troubleshooting, reducing service costs by 40% .

Product Guarantee

ABB warrants the DI581-S against defects for 1 year from purchase. The module complies with CE, UL, CSA, and ATEX/IECEx standards for use in non-hazardous areas. ABB’s global service network provides 24/7 technical support, spare parts, and training (e.g., online courses on S800 I/O configuration). For mission-critical applications, optional Gold Service Contracts include priority support and guaranteed spare parts availability within 24 hours .

 

By combining high-speed signal processing with rugged industrial design, the ABB DI581-S delivers reliable digital input capabilities for modern automation systems, enabling precise monitoring and control in demanding manufacturing and process environments.
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