ABB UNS0863A/V1 Digital I/O Card

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Product Overview

The ABB UNS0863A/V1 is a high-performance Digital Input/Output Module, part of the ABB UNS control system family. It provides multiple digital input and output channels for signal acquisition and control in industrial process automation systems. The module is used to interface with field devices such as switches, relays, solenoid valves, and contactors. With its robust design and strong EMC resistance, it ensures stable and reliable performance in demanding industrial environments.

Technical Specifications

• Model: UNS0863A/V1

• Category: Digital I/O Card / Module

• Input Channels: 16 digital inputs (DI)

• Output Channels: 16 digital outputs (DO)

• Input Signal Type: 24 V DC, optically isolated

• Input Current: approx. 8 mA @ 24 V DC

• Input Response Time: < 5 ms

• Output Type: Transistor output (Sourcing/PNP or Sinking/NPN)

• Output Voltage: 24 V DC

• Max Output Current: 0.5 A per channel

• Isolation: Optical isolation between I/O and system bus

• Power Supply: 24 V DC (±10%)

• Power Consumption: < 10 W

• Interface: System bus connection (compatible with ABB UNS rack)

• Operating Temperature: 0 ℃ ~ +55 ℃

• Storage Temperature: -40 ℃ ~ +70 ℃

• Humidity: < 95%, non-condensing

• Standards & Certifications: IEC 61131-2, CE, UL, RoHS

Key Features & Advantages

1. High-Density Design – 32 channels (16DI + 16DO) integrated in one compact module.

2. Strong EMC Immunity – Optical isolation ensures noise-free signal integrity.

3. Fast Response – Quick digital processing for real-time control.

4. Reliable and Durable – Built with industrial-grade components for continuous operation.

5. Modular Compatibility – Seamlessly integrates with ABB UNS, Advant, and AC series control systems.

Applications

• Power generation and energy automation (DCS/SCADA)

• Oil, gas, and petrochemical control systems

• Metallurgy and mining automation

• Manufacturing and assembly line control

• Water treatment and infrastructure systems

• Building management and process monitoring

Precautions

1. Verify compatibility with the control system before installation.

2. Ensure correct wiring between DI and DO terminals to prevent short circuits.

3. Do not exceed rated load current on output channels.

4. Disconnect power before installation or maintenance.

5. Regularly inspect signal integrity and I/O status to ensure system reliability.

The structure and details of the product：

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