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ABB DO815 8-Channel 24V Digital Output Module 

Product Overview

The ABB DO815 is a digital output module from ABB's S800 I/O series, designed for industrial automation applications. This 8-channel module provides reliable switching capability for controlling various industrial devices and actuators in demanding environments 1.

Technical Specifications

General Parameters

• Brand: ABB

• Model: DO815

• Type: Digital output module

• Channels: 8 independent output channels

• Output Type: Typically transistor or relay output options available

• Voltage Rating: 24V DC (with some models supporting 230V AC for relay outputs)

• Isolation: Electrical isolation between channels (500V test voltage)

• Protection Rating: IP20 (for control cabinet installation)

• Mounting: DIN rail compatible

• Weight: Approximately 0.2kg 

Electrical Characteristics

• Output Current:

  • Transistor version: Typically 0.5A per channel

  • Relay version: Typically 2A (24V DC/120V AC) 

• Response Time:

  • Transistor: <1ms

  • Relay: <10ms

• Short Circuit Protection: Built-in protection against output shorts 

Key Features

1. Flexible Output Configuration: Supports both transistor (fast switching) and relay (high power) output types to suit different application needs 

2. Robust Design: Industrial-grade components ensure reliable operation in harsh environments with electrical noise and vibration 

3. Visual Status Indication: Each channel features LED indicators for immediate output status monitoring 

4. High Density: Compact 8-channel design saves control cabinet space while providing multiple control points 

5. System Integration: Part of ABB's S800 I/O series, compatible with various ABB control systems including AC800M 

Application Fields

1. Manufacturing Automation: Control of production line equipment such as conveyors, robotic arms, and assembly machines 

2. Process Industries: Operation of valves, pumps, and other process control equipment in chemical and petrochemical plants 

3. Material Handling: Control of sorting systems, palletizers, and other logistics equipment 

4. Packaging Machinery: Operation of fillers, cappers, labelers and other packaging equipment 

5. HVAC Systems: Control of fans, dampers and other building automation components 

Installation and Operation Notes

1. Power Requirements: Ensure stable 24VDC power supply within specified range (typically 20-30VDC) 

2. Load Matching: Select appropriate output type (transistor or relay) based on load characteristics and switching frequency requirements 

3. Wiring Practices:

   • Use proper cable sizing based on load current

   • Maintain separation between signal and power cables

   • For inductive loads (relays, solenoids), use suppression diodes 

4. Environmental Conditions: Install in controlled environments within specified temperature ranges (typically 0°C to +60°C) 

5. Maintenance: Periodically check terminal connections and module status indicators 

The structure and details of the product：

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