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ABB DSQC 104 6369901-104 Resolver Interface Board for IRC5 Robots

Product Description

The DSQC 104 (6369901-104) is a specialized Resolver-to-Digital (R/D) conversion interface board designed for ABB industrial robot controllers. This module acts as the critical bridge between the robot's physical movement and its digital control system. It interfaces directly with motor-mounted resolvers on the robot’s axes, capturing analog sine and cosine feedback signals and translating them into high-precision digital position data for the motion CPU.

Engineered for the rigorous demands of robotic motion control, the DSQC 104 (6369901-104) provides superior signal conditioning and noise rejection. This ensures that even in environments with high electromagnetic interference—such as spot welding or heavy machining cells—the robot maintains exceptional joint positioning accuracy and trajectory repeatability. This board is essential for maintaining the operational integrity of 6-axis articulated arms and external axis units within the IRC5 and legacy ABB controller ecosystems.

Detailed Technical Specifications

The DSQC 104 is built to exact robotic motion standards with the following technical parameters:

  • Manufacturer: ABB

  • Model Number: DSQC 104

  • Part Number: 6369901-104

  • Function: Resolver-to-Digital Signal Conversion

  • Compatible Systems: ABB IRC5, S4C+, and select legacy controllers

  • Input Interface: Supports standard resolver feedback (Sine, Cosine, Reference)

  • Excitation Frequency: Typically 4 kHz to 10 kHz

  • Excitation Voltage: 2 Vrms to 12 Vrms range

  • Output Type: Digital position data via internal system backplane

  • Mounting: Subrack or panel mounted within the drive cabinet

  • Dimensions: 254 mm x 254 mm x 25 mm (10.0" x 10.0" x 1.0")

  • Weight: 0.4 kg (0.88 lbs net; shipping weight may vary)

  • Environmental Tolerance: Standard industrial cabinet conditions (non-condensing)

Core Performance Features

  • High-Precision R/D Conversion: Real-time translation of analog signals into high-resolution digital counts for smooth motor commutation.

  • Ruggedized Signal Processing: Integrated filtering circuitry specifically tuned to eliminate noise from servo drives and high-voltage power cables.

  • Direct System Integration: Communicates via the dedicated controller bus, bypassing external communication delays for sub-millisecond motion updates.

  • Axis Versatility: Capable of supporting multiple joint configurations, including standard articulated arm axes and high-speed auxiliary track motions.

  • Self-Diagnostic Integration: Works with the robot's internal monitoring to detect signal loss, reference voltage drops, or resolver phase errors immediately.

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