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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 DesignationDSQC328A

  • Order Number3HAC17970-1

  • Legacy Replacement3HAB7229-1

  • 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

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