ABB USART86-INT Current Loop Connection Board

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Product Overview

The ABB USART86-INT is a Current Loop Connection Board designed for industrial automation systems for signal acquisition and transmission. It supports standard 4–20 mA current loop interfaces, providing multi-point signal connection, signal isolation, and reliable transmission, offering stable data interfaces for control systems.

Technical Specifications

• Model / Part Number: USART86-INT

• Type: Current Loop Connection Board

• Operating Voltage: 24 V DC

• Input Signal: 4–20 mA current loop

• Output Interface: Isolated 4–20 mA signal output

• Number of Channels: 8 channels

• Response Time: < 1 ms

• Operating Temperature: -20°C ~ +70°C

• Storage Temperature: -40°C ~ +85°C

• Protection Rating: IP20

• Mounting: DIN rail

• Dimensions: ~120 mm × 100 mm × 30 mm

• Weight: ~0.4 kg

• Certification: CE, IEC industrial electronics compliant

Advantages & Features

1. Reliable Signal Transmission: Supports 4–20 mA current loop for stable data transmission.

2. Multi-Channel Design: 8 channels working simultaneously for multi-point signal acquisition.

3. Signal Isolation: Effectively prevents interference and enhances system noise immunity.

4. Industrial-Grade Reliability: Wide operating temperature, IP20 protection, suitable for harsh environments.

5. Compact Installation: DIN rail mounting, space-saving and convenient wiring.

6. Easy Maintenance: Modular design allows easy on-site inspection and replacement.

Application Areas

• Industrial automation control systems

• PLC / DCS signal acquisition and interfacing

• Sensor signal connection and distribution

• Motor drive and servo systems

• Industrial robots and automated production lines

• Testing platforms and industrial monitoring systems

Precautions

1. Ensure input current loop signals and supply voltage match the connection board specifications.

2. Install in a dry, ventilated environment, avoiding corrosive gases.

3. Handle wiring and operation with ESD protection.

4. Regularly inspect terminal connections and cabling to ensure signal stability.

5. Avoid disassembling or modifying the board while powered.

6. Follow industrial electrical installation and safety standards.

The structure and details of the product：

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