Description
The ABB DSQC346B is a highly versatile and robust digital I/O module specifically designed for integration within ABB’s renowned IRC5 robot controller ecosystem and FlexPicker® systems. This module serves as a critical interface component that expands the controller’s capability to communicate with a wide array of peripheral devices in automated manufacturing environments. The primary function of the ABB DSQC346B is to provide both digital input and output channels, enabling seamless interaction between the robot controller and external equipment such as sensors, grippers, conveyors, vision systems, and safety devices. It acts as the essential link that allows the robot system to receive signals from the manufacturing environment and execute appropriate control actions, making it indispensable for creating fully automated and responsive production cells.
As part of ABB’s extensive range of quality-certified robot peripherals, the DSQC346B module delivers exceptional value by enhancing system flexibility and integration capabilities. Its design is optimized for the demanding conditions of industrial robotics applications, featuring robust construction that withstands vibration, electrical noise, and varying temperature conditions typical in manufacturing settings. The deployment of the ABB DSQC346B enables sophisticated automation sequences by providing the necessary I/O points for coordinating complex interactions between the robot and surrounding equipment. This module plays a vital role in maximizing productivity and ensuring reliable operation in diverse applications ranging from material handling and machine tending to assembly and packaging operations.

DSQC346B ABB
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | DSQC346B |
| Manufacturer | ABB |
| Product Type | Digital Input/Output Module |
| Compatible System | ABB IRC5 Robot Controller, FlexPicker® |
| Input Channels | 8 digital inputs |
| Output Channels | 8 digital outputs |
| Input Voltage | 24 VDC (sink or source) |
| Output Type | 24 VDC transistor (sourcing) |
| Output Current | 0.5 A per channel |
| Input Current | 3 mA at 24 VDC |
| Isolation | 500 VAC between field and system |
| Response Time | < 1> |
| Connection | 15-pin D-sub connector |
| Operating Temperature | 0°C to +55°C (+32°F to +131°F) |
| Storage Temperature | -25°C to +85°C (-13°F to +185°F) |
| Protection Class | IP20 (module itself) |
Main Features and Advantages
The ABB DSQC346B offers significant advantages through its balanced combination of input and output capabilities in a compact form factor. A primary feature is its universal input design that supports both sinking and sourcing field devices, providing exceptional flexibility during system integration and eliminating the need for additional interface components. This versatility allows automation engineers to connect virtually any standard industrial sensor or switch without concern for electrical compatibility issues. The module’s high-speed response time of less than 1 millisecond ensures precise synchronization between robot movements and peripheral equipment actions, which is crucial for applications requiring tight timing coordination such as conveyor tracking, vision-guided picking, and synchronized operations with other machinery.
The DSQC346B is designed for seamless integration with ABB’s robot programming environment, offering straightforward configuration through RobotStudio or the FlexPendant interface. Each channel features individual status LEDs that provide immediate visual feedback on signal status, significantly simplifying troubleshooting and system commissioning. The module’s robust design includes protection against short circuits, overloads, and reverse polarity, ensuring reliable operation even in electrically noisy industrial environments. Its compact size and standardized mounting options allow for efficient space utilization within the robot controller cabinet, while the 15-pin D-sub connector ensures secure and reliable field wiring connections. These features collectively make the DSQC346B an ideal solution for expanding I/O capabilities in both new installations and existing system upgrades.
Application Field
The ABB DSQC346B finds extensive application across various robotic automation sectors, particularly in material handling, machine tending, and assembly operations. In automotive manufacturing, it is extensively used in welding, painting, and assembly lines where robots interact with numerous peripheral devices such as tool changers, clamp systems, and safety curtains. The module’s reliable I/O capabilities ensure precise coordination between the robot’s movements and the activation of these external devices, enabling complex automated sequences that maximize production efficiency and quality consistency. In these applications, the DSQC346B serves as the critical interface that transforms a standalone robot into an integrated manufacturing cell.
In packaging and food processing industries, the DSQC346B is instrumental in enabling flexible automation solutions. It facilitates communication between ABB robots and conveyor systems, vision inspection units, packaging machinery, and product handling equipment. The module’s fast response time is particularly valuable in high-speed pick-and-place applications using FlexPicker® robots, where milliseconds matter for achieving target cycle times and production rates. Additionally, in general industry applications including metal fabrication, plastic molding, and electronics assembly, the DSQC346B provides the necessary I/O expansion for creating comprehensive automation solutions that enhance productivity, improve product quality, and ensure operational safety.

DSQC346B ABB
Related Products
ABB DSQC352: 16-input digital module for expanded input capabilities
ABB DSQC377: Power supply module for robot controller systems
ABB DSQC1000: Fieldbus adapter for network communication
ABB DSQC1030: Profibus interface module
ABB DSQC1020: DeviceNet interface module
ABB FlexPendant: Programming and diagnostic tool for robot systems
ABB RobotStudio: Offline programming and simulation software



Email: sales@slxytech.com
WhatsApp / Wechat:8617062388866
Phone:+86 17062388866