ABB DSQC236C Analog Input Module

1. Product Overview

The ABB DSQC236C Analog Input Module is a critical I/O module used in ABB robot controllers (S4 / S4C+ series). It acquires analog signals from sensors and other devices (voltage or current), providing precise feedback to the robot controller for high-precision motion, force, and position control.

Designed with industrial-grade reliability, the DSQC236C offers strong noise immunity and stable operation in continuous industrial environments.

2. Technical Specifications

General

• Model: DSQC236C

• Type: Analog Input Module

• Compatible Controllers: ABB S4 / S4C+

Input Channels

• Analog Inputs: 8 channels (typical)

• Input Signal Types:

  • Voltage: 0–10 V, ±10 V

  • Current: 4–20 mA

• Resolution: 12-bit or higher

• Accuracy: ±0.5%

• Input Impedance: ≥ 10 kΩ (Voltage input)

• Isolation: Opto-isolated

Electrical Characteristics

• Operating Voltage: 24 V DC

• Power Consumption: < 5 W

• Response Time: < 5 ms

• Protection: Over-voltage, reverse polarity protection

Interface & Structure

• Terminal Connection: Multi-pin connector

• Communication: Internal system bus

• Mounting: Rack-mounted

• PCB: Industrial-grade design

Environmental Conditions

• Operating Temperature: 0°C to +55°C

• Storage Temperature: –25°C to +70°C

• Humidity: 5%–95% non-condensing

• Protection Class: IP20

• Vibration/Shock: Industrial-grade

3. Features & Advantages

• High-precision analog signal acquisition

• Fast sampling and low latency

• Industrial-grade reliability and noise immunity

• Modular design for integration with other DSQC I/O modules

• Fully compatible with ABB S4 / S4C+ controllers

4. Application Areas

• ABB robot analog signal acquisition

• Force, torque, and position feedback

• Industrial sensor interfaces (pressure, voltage, current)

• High-precision robotic machining, welding, assembly

• External mechatronic feedback and control systems

• Automated production line analog control

5. Precautions

• Disconnect controller power before installation or removal.

• Ensure analog signal wiring complies with voltage/current specifications.

• Avoid routing cables near high-power interference sources.

• Use anti-static protection when handling the module.

• Ensure terminals are properly tightened to prevent loose connections.

• Install in a dry, ventilated control cabinet.

• Do not exceed channel load specifications.

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