The ABB DSQC355A analog input/output module is the core I/O component in ABB robot control systems (especially IRC5 series controllers), designed specifically for signal acquisition and command output in industrial robots and automated production lines. This module integrates analog input and output functions, with high signal conversion accuracy, strong anti-interference ability, and good compatibility. It can achieve precise acquisition and stable output of various analog signals (such as temperature, pressure, liquid level, flow rate, and actuator control signals) in industrial sites, and build a reliable signal transmission bridge for the collaborative work of robots and peripheral devices.
Product Overview
The ABB DSQC355A analog input/output module is the core I/O component in ABB robot control systems (especially IRC5 series controllers), designed specifically for signal acquisition and command output in industrial robots and automated production lines. This module integrates analog input and output functions, with high signal conversion accuracy, strong anti-interference ability, and good compatibility. It can achieve precise acquisition and stable output of various analog signals (such as temperature, pressure, liquid level, flow rate, and actuator control signals) in industrial sites, and build a reliable signal transmission bridge for the collaborative work of robots and peripheral devices.
As the "perception and execution interface" of the robot control system, the DSQC355A module can seamlessly interface with the ABB IRC5 controller, supporting parameter configuration and status monitoring through RobotStudio software. It is widely used in robot automation scenarios such as automotive manufacturing, electronic assembly, material handling, welding and cutting, effectively improving the automation integration and control accuracy of the production line, and ensuring the stable and efficient operation of the production process.
Core technical parameters
Product Model
DSQC355A
ABB robot specific analog I/O module model, compatible with IRC5 series controllers
Module Type
Hybrid analog input/output module
Integrate input and output functions, reduce the number of modules, and save installation space
Analog input channel
8-way differential input
Differential input design enhances anti-interference capability, suitable for complex industrial environments
Input signal type
Voltage signal (0-10V DC), current signal (4-20mA DC)
Channel signal types can be configured through software to adapt to mainstream analog sensors
Input accuracy
± 0.1% full range (voltage signal); ± 0.2% full range (current signal)
High precision signal acquisition ensures data authenticity and control accuracy
input impedance
≥ 10M Ω (voltage input); 250 Ω (current input)
Match the output characteristics of different types of sensors to reduce signal attenuation
Analog output channel
4 independent outputs
Meet the simultaneous control requirements of multiple executing agencies
Output signal type
Voltage signal (0-10V DC), current signal (4-20mA DC)
The channel output type can be independently configured and adapted to devices such as frequency converters and servo valves
output accuracy
± 0.2% full range (voltage output); ± 0.3% full scale (current output)
Accurately output control signals to ensure the precision of actuator actions
Output load capacity
Voltage output: ≤ 10mA; Current output: ≤ 500 Ω (load resistance)
Adapt to the load requirements of most industrial actuators without the need for additional power amplification
Sampling and update rate
Input sampling rate: 100Hz; output update rate: 100Hz
High speed signal processing ensures real-time control requirements
communication interface
DeviceNet (compliant with IEC 62026-3 standard)
Communication with IRC5 controller via DeviceNet bus ensures stable data transmission
working power supply
DC 24V ± 10% (powered by controller or external power supply)
Adapt to industrial standard DC power supply, with strong voltage adaptability
Working temperature range
0℃~45℃
Adapt to the temperature requirements of robot control cabinets and workshop environments
Protection level
IP20 (module itself)
It needs to be installed in a closed robot control cabinet for use
Installation method
DIN rail installation (35mm)
Standardized installation, easy to integrate into the control cabinet
Core performance advantages
1. High precision signal processing ensures control accuracy
The DSQC355A module adopts high-precision analog-to-digital conversion (ADC) and digital to analog conversion (DAC) chips, with an analog input accuracy of up to ± 0.1% full scale and an output accuracy of ± 0.2% full scale. In the context of automotive welding robots, it is possible to accurately collect 4-20mA signals from welding temperature sensors and control temperature errors within ± 0.5 ℃; At the same time, its output 0-10V signal can accurately control the welding current regulating valve, ensuring stable welding parameters and improving welding quality consistency. The differential input design further enhances the ability to suppress common mode interference in industrial sites, ensuring the stability of signal acquisition even in strong interference environments such as frequency converters and high-power motors.
2. Flexible configuration function, adaptable to diverse scenarios
The 8-channel analog input and 4-channel analog output channels of the module can be independently configured with signal types (voltage/current) through ABB RobotStudio software, and can adapt to different types of sensors and actuators without the need to replace hardware. For example, in an electronic assembly robot production line, some channels can be configured as 4-20mA inputs to collect pressure signals from vacuum suction cups, while others can be configured as 0-10V outputs to control the servo motor speed of the assembly robotic arm; When the production line changes products, it only needs to reconfigure parameters through software to quickly adapt to new production needs, greatly improving the flexibility and reusability of equipment.
3. Seamless compatibility with ABB robot systems, easy integration
The DSQC355A module is a dedicated I/O module for ABB IRC5 robot controller, which can achieve plug and play communication connection with the controller through the DeviceNet bus without the need for additional communication protocol conversion modules. During system integration, engineers can directly identify modules through RobotStudio software and allocate addresses, configure parameters, and monitor status of input and output channels without the need to write complex communication programs. At the same time, the module supports logical correlation with the IO signals of the robot, realizing linkage functions such as sensor signal triggering robot actions, robot state feedback control of external devices, etc., simplifying the system integration process and improving development efficiency.
4. Complete diagnostic and protection functions, reliable operation
The module has comprehensive self diagnosis and fault protection functions, which can monitor its power status, communication status, and channel signal abnormalities in real time (such as input signal overload, output short circuit, etc.). When a fault occurs, the module will upload the fault information to the IRC5 controller through the bus. The controller can display the fault code and location through a teaching pendant, making it easy for operation and maintenance personnel to quickly locate the problem. In addition, the output channel of the module has a short-circuit protection function. When a short circuit occurs at the output end, the output current will be automatically cut off to avoid module burnout, and a fault alarm will be issued to ensure the safe operation of the system and reduce equipment maintenance costs.
5. Industrial grade stable design, suitable for harsh environments
The product adopts industrial grade components and compact packaging design, with excellent electromagnetic interference resistance and environmental adaptability. It can operate stably in the temperature range of 0 ℃~45 ℃ and withstand common voltage fluctuations and mechanical vibrations in industrial workshops. Its DeviceNet communication interface has complete electrical isolation protection, which can effectively resist interference signals during bus transmission and ensure the stability of data transmission. Whether in automotive parts processing workshops with high dust levels or electronic assembly workshops with complex electromagnetic environments, modules can maintain stable performance and provide reliable signal support for robot automation systems.
Applicable scenarios
-Automotive manufacturing industry: Suitable for welding robots, painting robots, assembly robots and other equipment, collecting simulated signals such as welding temperature, painting pressure, assembly torque, etc., outputting control signals to adjust welding current, painting flow rate, mechanical arm speed and other parameters, ensuring the accuracy and efficiency of automotive manufacturing.
-Electronic assembly industry: used in electronic component assembly robot systems to collect grayscale signals of vacuum suction cup pressure and visual inspection systems, control the actions of servo motors, pneumatic actuators and other equipment, and achieve precise picking and assembly of electronic components.
-Material handling and warehousing: In palletizing robots and AGV handling systems, signals such as conveyor belt speed, material weight, and bin liquid level are collected, and control signals are output to adjust handling speed and positioning accuracy, improving material processing efficiency.
-Food and packaging industry: Adapt packaging robot systems to collect analog signals such as packaging film tension and material filling amount, control the sealing temperature and filling speed of packaging machines, and ensure the sealing and measurement accuracy of food packaging.
-Metal processing industry: used for cutting robots and bending robot systems to collect signals such as cutting temperature and bending pressure, output control signals to adjust cutting power and bending angle, and ensure the quality of metal processing.
-General industrial automation: As an interface module between ABB robots and external analog devices (such as sensors, frequency converters, servo valves), it achieves collaborative control between robots and peripheral devices, improving the automation level of production lines.





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