🧩 ABB DSQC332A 3HAC17973-1 Digital Module – Product Overview
The ABB DSQC332A 3HAC17973-1 Digital Module is a high-performance interface board designed for ABB industrial robotic and automation systems. This digital I/O module serves as an essential communication link between the robot controller and peripheral devices, ensuring accurate signal exchange, precise process synchronization, and reliable operational control. Engineered with ABB’s robust quality standards, the DSQC332A module guarantees long-term stability and dependable performance in demanding factory and process automation environments.
⚙️ Product Features
- Model: DSQC332A
- Part Number: 3HAC17973-1
- Manufacturer: ABB Robotics
- Product Type: Digital I/O Interface Module
- Function: Transfers digital input and output signals between robot control systems and external devices
- Compatibility: ABB IRC5 and S4C+ controller series
- Mounting Type: DIN rail or rack-mounted module
- Weight: Approx. 0.45 kg
- Dimensions: 200 mm × 120 mm × 35 mm
- Operating Temperature: 0°C to +55°C
- Storage Temperature: -40°C to +85°C
- Humidity Range: 5%–95% non-condensing
- Connector Type: 25-pin D-sub and terminal block connections
- Protection Level: IP20 (for installation inside cabinet)
📊 Technical Datasheet
| Parameter | Description |
|---|---|
| Power Supply | 24 VDC ±10% |
| Current Consumption | 0.3 A typical |
| Input Channels | 16 opto-isolated digital inputs |
| Output Channels | 16 transistor outputs, 24 VDC |
| Input Voltage Range | 18–30 VDC |
| Output Load Capacity | 0.5 A per channel (max) |
| Response Time | <1 ms for both input and output |
| Isolation Voltage | 1500 VDC between logic and field circuits |
| Signal Type | PNP/NPN configurable |
| Board Material | FR-4 multi-layer PCB with conformal coating |
| Status Indicators | Individual LEDs for each input and output |
| Diagnostics | Onboard self-check and short-circuit protection |
| Cooling Method | Natural convection |
| Compliance | CE, UL, and RoHS standards |
🔧 Installation & Setup
- Power Down the System: Always disconnect the robot controller power before installing the DSQC332A module.
- Static Protection: Handle the module using antistatic wrist straps to avoid ESD damage.
- Mounting: Install the module in the designated slot on the I/O rack or DIN rail. Secure it using mounting screws or clips.
- Wiring: Connect input and output terminals according to the ABB wiring diagram. Ensure correct polarity and grounding.
- Verification: After installation, check LED indicators for correct signal operation—green LEDs denote active channels.
- Configuration: Use ABB RobotStudio or system configuration tools to assign I/O addresses and verify signal communication.
🧰 Maintenance & Handling
- Periodic Inspection: Check connections, wiring integrity, and LEDs regularly to detect early faults.
- Cleaning: Remove dust using dry, compressed air or an antistatic brush. Avoid solvents or liquid cleaners.
- Storage: Keep the module in its original antistatic packaging when not in use.
- Replacement: Only use the same DSQC332A module to maintain full compatibility with the system controller.
- Firmware/Calibration: ABB service tools can be used to verify firmware versions or perform diagnostics.
⚠️ Usage Precautions
- Ensure proper ventilation inside the cabinet to prevent overheating.
- Avoid exposure to direct moisture, conductive dust, or corrosive gas.
- Never hot-swap the module while the system is powered.
- Confirm correct grounding of all signal and power lines.
- Maintain clean and stable 24 VDC power to prevent logic errors.
🔗 Purchase & Support
For authentic ABB DSQC332A 3HAC17973-1 Digital Modules and accessories, please visit:
👉 https://www.fy-module.com/
👉 https://www.fy-module.com/product/
📦 Recommended Similar Products
| Model | Description | Link |
|---|---|---|
| DSQC328A 3HAC17484-1 | ABB Digital I/O Module for IRC5 Controller | View Product |
| DSQC377B 3HAC1463-1 | ABB Analog Input/Output Control Board | View Product |
| DSQC379A 3HAC16565-1 | ABB Signal Interface Communication Card | View Product |
| DSQC363 3HAC14363-1 | ABB I/O Expansion Board for Robotics | View Product |
| DSQC352A 3HAC17973-2 | ABB Digital Control Board with Isolation Protection | View Product |
| DSQC345B 3HAC17485-1 | ABB Communication Processor Module | View Product |
🧠 Summary
The ABB DSQC332A 3HAC17973-1 Digital Module stands as a dependable and precise interface solution for ABB robotic systems. Its combination of high-speed signal processing, robust electrical isolation, and diagnostic functionality ensures optimal performance and reliability. With its durable PCB construction and easy integration into ABB control architectures, it delivers long-term operational stability for industrial automation applications.
Compact, reliable, and engineered for precision, the DSQC332A exemplifies ABB’s commitment to industrial-grade design and efficient digital communication in modern automation systems.

