ABB DSTD 170 Connection Unit

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 1. Product Overview

The ABB DSTD 170 is an industrial-grade Connection Unit designed for ABB control systems (such as AC500 PLCs or Advant systems). It provides reliable electrical connections for digital, analog, and I/O modules in modular control architectures.

DSTD 170 ensures stable signal transmission and easy modular system integration in complex industrial environments.

2. Technical Specifications

• Model: DSTD 170

• Product Type: Connection Unit

• Supported Module Types: Digital I/O modules, Analog I/O modules

• Interface: Backplane / bus connection

• Maximum Modules: Expandable according to system configuration

• Power Supply: 24 VDC

• Operating Temperature: –20°C to +60°C

• Storage Temperature: –40°C to +85°C

• Mounting: Rack / DIN rail mounting

• Terminal Type: Industrial pluggable terminals

• Protection Class: IP20

• Applicable Systems: ABB Advant, AC series PLC architectures

3. Features & Advantages

• High-reliability connections for stable signal transmission

• Modular design for easy installation, removal, and system expansion

• Industrial-grade durability: vibration and interference resistant

• Compatible with multiple module types: digital and analog

• Easy maintenance and upgrade without system downtime

• Seamless compatibility with ABB AC500 and Advant PLC systems

4. Application Areas

• Factory automation control systems

• Power and energy monitoring systems

• Packaging machinery and production line integration

• Chemical, metallurgical, and mining automation

• Water treatment and municipal infrastructure

• DCS systems and discrete control systems

• Modular industrial control and signal acquisition systems

5. Precautions

1. Ensure proper matching with the backplane or bus before installation.

2. Disconnect power during wiring to prevent short circuits or misoperation.

3. Do not overload the unit; maintain within rated power and current.

4. Avoid installation in high-humidity or dusty environments; apply protective measures if necessary.

5. Regularly check the connection unit and module interfaces to ensure stable signal transmission.

6. Follow ABB manuals strictly during system upgrades or maintenance to avoid module damage.

The structure and details of the product：

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