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ABB DSQC328A | 3HAC17970-1 | Robotics Digital and Analog I/O Unit

Product Overview

The DSQC328A (3HAC17970-1) is a high-performance modular I/O unit engineered for ABB’s IRC5 robot controller family. It serves as a critical interface bridge, providing both digital and analog signal processing to facilitate real-time communication between the robot's main computer and peripheral industrial hardware. Designed to replace the legacy 3HAB7229-1, the DSQC328A offers enhanced stability and faster response times for precision-dependent applications such as spot welding, high-speed assembly, and complex material handling. This unit ensures deterministic control over actuators and sensors, maintaining system synchronization in high-duty cycle environments.

Technical Specifications

The DSQC328A (3HAC17970-1) is optimized for integration into modern automated work cells with the following technical parameters:

• Manufacturer: ABB (Origin: Sweden)

• Model Designation: DSQC328A

• Order Number: 3HAC17970-1

• Legacy Replacement: 3HAB7229-1

• Product Type: Industrial I/O Unit

• System Compatibility: ABB IRC5 Robot Controllers

• Digital I/O: 8 Digital Inputs / 8 Digital Outputs (24 VDC)

• Analog Inputs: 2 Channels (Typically 4–20 mA or 0–10 V range)

• Transistor Outputs: 16 Isolated transistor outputs (0.5 A per channel)

• Operating Voltage: 24 VDC (Nominal)

• Response Time: ~1 ms for high-speed switching

• Fieldbus Protocols: DeviceNet (standard), with support for Profinet and EtherCAT via gateway

• Environmental Tolerance: Operating temperature -20°C to +60°C

• Dimensions: 35 cm x 28 cm x 9 cm

• Net Weight: 0.38 kg

• Customs Tariff Number: 84714100

• Protection Class: IP20