ABB DSQC 633C 3HAC043904-001 Measurement Unit

Product Overview

The ABB DSQC 633C (3HAC043904-001) is a vital Serial Measurement Board (SMB) used in the IRC5 controller generation. As a core component of the feedback system, it acts as the "translator" between the robot's mechanical movement and the controller's digital brain. It captures analog positional signals from the motor resolvers and converts them into high-resolution serial data.

Technical Specifications

• Part Number: 3HAC043904-001

• Model Designation: DSQC 633C

• Net Weight: 0.28 kg

• Dimensions: 131 mm (L) x 100 mm (W) x 27.5 mm (H)

• Customs Tariff Number: 90318080 (Measuring or checking instruments)

• Country of Origin: China

• Condition: New Spare Part

Key Features

• Precision Data Conversion: Converts analog sine/cosine resolver waves into absolute digital positions, ensuring the robot maintains sub-millimeter path accuracy.

• Serial Communication: Transmits all axis data over a single serial link, drastically reducing the complexity and weight of the robot's internal cabling.

• Non-Volatile Position Tracking: Works in tandem with the SMB battery to maintain "Revolution Counter" data, so the robot remembers its position even after being powered down.

• Compact Form Factor: The "C" revision is significantly lighter (0.28 kg) than the older 633A units, making it ideal for modern, space-efficient robot designs.

• Industrial Hardening: Sealed casing provides protection against dust and electrical interference common in automotive and heavy manufacturing environments.