ABB DSQC323 3HAB5956-1 Digital input/output modules

ABB DSQC323 3HAB5956-1

Is a digital input/output module for ABB robot control systems

1. Product Overview

The ABB DSQC 323 is a Digital Input/Output Module designed for ABB’s robotics control systems. The part number 3HAB5956-1 is its specific order code in the ABB spare parts system. This module is a very common and critical component within ABB’s IRC5 controller and the earlier S4C+ controller, primarily responsible for signal exchange between the robot and external devices.

In simple terms, it acts as a “bridge” between the robot controller and external equipment such as end-effectors (e.g., grippers, welding guns), sensors, safety door locks, indicator lights, and other PLCs (Programmable Logic Controllers).

2. Core Functionality

The DSQC 323 module provides 8 digital input channels and 8 digital output channels.

• Digital Inputs:

  • Function: Receive “ON/OFF” or “HIGH/LOW” level signals from external devices.

  • Typical Applications:

    • Detecting if a gripper is closed (sensor signal).

    • Confirming if a part is in place (presence sensor).

    • Receiving a “door closed” signal from a safety fence.

    • Receiving a “start permit” signal from a upstream PLC.

  • Electrical Specification: Typically 24V DC.

• Digital Outputs:

  • Function: Send “ON/OFF” control signals to external devices.

  • Typical Applications:

    • Controlling the opening and closing of a gripper.

    • Activating a welding gun’s operation.

    • Turning on a “Robot in Motion” indicator light.

    • Sending a “task completed” signal to the next station.

  • Electrical Specification: Typically 24V DC, with each output channel having a specific load capacity (e.g., 0.5A or 2A, refer to the manual for specifics).

3. Physical and Electrical Characteristics

• Module Type: Fieldbus module, communicating with the robot main controller via the DeviceNet fieldbus network.

• Connections:

  • Connected to the DeviceNet network inside the robot controller via an X1 interface (DeviceNet).

  • External device wires for inputs and outputs are connected via two X3 and X5 interfaces (removable terminal blocks).

• Mounting: The module is designed to be mounted on a DSQC 532 or DSQC 533 module baseplate inside the control cabinet. One baseplate can hold multiple different types of I/O modules, allowing for flexible I/O expansion.

• Status Indication: The module features LED indicators that display module power, network status, and the status of each individual I/O channel, facilitating easy on-site debugging and fault diagnosis.

4. Role and Importance in the Robot System

The DSQC 323 is one of the core components for integrating robotic automation workstations. Without it, the robot would be unable to perceive the state of the external environment and could not perform any operations beyond its own trajectory movement (such as picking, placing, welding). It is fundamental for enabling flexible and intelligent robot operations.

5. Typical Application Areas

Due to its versatility and reliability, the DSQC 323 is widely used in all industries employing ABB robots, including:

• Welding: Controlling weld gun start/stop, receiving signals from seam tracking sensors.

• Material Handling & Machine Tending: Controlling grippers, detecting pallet and part presence.

• Assembly: Controlling screwdrivers, dispensers, detecting part assembly completion.

• Painting: Controlling spray gun on/off.

• Packaging & Palletizing: Communicating with conveyor PLCs, controlling suction cups or grippers.

6. Technical Parameter Summary (Generic values, consult official manual for specifics)