The ABB DSQC668 functions as a dedicated axis computer for precision robot motion control. This module processes complex motion algorithms for multi-axis robot coordination and path planning. Engineers use it to manage servo drive commands and feedback processing in real time. The DSQC668 interfaces directly with the main robot controller and individual drive units. Its high-performance computing ensures smooth and accurate robot movements for demanding applications.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Axis Computer Module |
| Part Number | DSQC668 (3HAC029157-001) |
| Series | ABB Robot Control System (Fourth Generation) |
| Controlled Axes | Up to 6 Axes Simultaneously |
| Processor Type | 32-Bit RISC Microcontroller |
| Processor Speed | 100 MHz |
| Memory | 2 MB Flash, 1 MB RAM |
| Program Storage | Flash with Battery-Backed RAM |
| Communication Interfaces | Fiber Optic (to Drives), Serial, CAN Bus |
| Feedback Processing | Resolver and Encoder Inputs |
| Servo Update Rate | 250 µs (4 kHz) |
| Position Calculation | 32-Bit Floating Point |
| Interpolation | Linear, Circular, and Spline |
| Module Width | 80 mm |
| Height | 200 mm |
| Depth | 150 mm |
| Weight | 1.2 kg |
| Power Supply | 5 Vdc and 24 Vdc from Backplane |
| Power Consumption | 15 W Maximum |
| Internal Energy Storage | Super Capacitor for Data Retention |
| Component Count | CPU, FPGA, Memory Chips, Communication Drivers |
| Connection Type | Fiber Optic Transceivers, D-Sub Connectors |
| LED Indicators | Power, Run, Fault, Communication Status |
| Operating Temperature | 0°C to 55°C |
Advanced Motion Processing
The DSQC668 executes sophisticated motion control algorithms for robot path generation. It performs forward and inverse kinematics calculations for each programmed position. The module interpolates between points to create smooth continuous motion profiles. Floating-point arithmetic ensures precise position calculations for accurate path following. Engineers configure motion parameters through ABB’s RAPID programming language. This processing power enables complex applications like arc welding and laser cutting.
Real-Time Communication Architecture
ABB DSQC668 communicates with servo drives through high-speed fiber optic links. Fiber optics provide galvanic isolation and immunity to electrical noise interference. The axis computer sends position commands to each drive every 250 microseconds. Drives return actual position and status data for closed-loop control verification. This deterministic communication ensures precise synchronization of all robot axes. Multiple DSQC668 modules can coordinate for redundant or extended axis systems.
Feedback Processing Capabilities
The DSQC668 accepts resolver and encoder feedback from servo motors directly. It converts analog resolver signals to digital position values with high resolution. Encoder inputs process incremental and absolute position data accurately. The module compensates for mechanical compliance and thermal expansion effects. Real-time feedback enables tight servo loops for accurate path following. Engineers achieve repeatability within fractions of a millimeter for precision applications.
Memory and Data Retention
ABB DSQC668 incorporates comprehensive memory for motion program storage. Flash memory holds robot programs and system parameters permanently. Battery-backed RAM maintains dynamic data during power-down periods. A super capacitor provides temporary backup during battery replacement. The module stores calibrated kinematic models for each specific robot mechanism. This data ensures accurate motion regardless of mechanical tolerances.
Integration with Robot Systems
Engineers integrate the DSQC668 into ABB robot controller cabinets seamlessly. The module mounts in standard racks with other control components. Fiber optic connections link to drive units mounted in the same cabinet or remotely. Similar to protection devices like the RMS TSG TZ C Static Trip unit, this computer ensures coordinated system operation. It communicates with the main controller for program execution and status reporting. The axis computer handles all time-critical motion tasks independently.
Application Versatility
The DSQC668 suits various robot configurations and applications effectively. Common uses include 6-axis articulated robots, SCARA robots, and gantry systems. The module supports both position and force control applications. Engineers program complex paths for painting, dispensing, and material removal processes. Its computational power handles high-speed picking and packaging applications reliably. This axis computer delivers consistent performance across diverse robotic applications.
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 110 × 55 × 90 mm |



Reviews
There are no reviews yet.