ABB DSMB127 57360001-HG
ABB DSMB127 57360001-HG
ABB DSMB127 57360001-HG
ABB DSMB127 57360001-HG
ABB DSMB127 57360001-HG

ABB DSMB127 | IRC5 Robot Controller Motion Control Board

  • Brand:​ ABB
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    Model:​ DSMB127 (Part Number: 57360001-HG)
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    Product Type:​ Axis Computer Board
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    Series:​ RobotWare S4C+
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    Core Function:​ Serves as the primary motion controller for ABB robots, handling trajectory planning, servo control, and axis coordination.
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    Key Specs:​ Motor control processing, servo update rate, robot kinematics calculation.
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Part number: ABB DSMB127
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Description

DSMB127: Product Overview
The DSMB127 is an axis computer module that functions as the central motion control processor for ABB’s S4C+ robot controller system. This critical component is installed in the main computer rack and is responsible for all real-time robot motion calculations, including trajectory planning, inverse kinematics, and servo motor control. The module receives movement commands from the main computer board and translates them into precise control signals for the drive modules that power the robot’s servo motors.
As the core of the robot’s motion control system, the DSMB127 performs complex mathematical calculations to determine the optimal path between programmed points while maintaining specified velocities, accelerations, and positional accuracy. It continuously monitors feedback from resolvers or encoders on each robot axis, implementing closed-loop control to ensure the actual robot movement matches the programmed path. The module also handles advanced motion features such as path accuracy optimization, collision detection, and coordinated external axis movement.

ABB DSMB127 57360001-HG

ABB DSMB127 57360001-HG

DSMB127: Technical Specifications
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    Model Number:​ DSMB127
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    Manufacturer Part Number:​ 57360001-HG
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    Manufacturer:​ ABB Robotics
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    Product Type:​ Axis Computer Board
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    Compatible Controller:​ S4C+ Robot Controller
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    Function:​ Robot trajectory calculation and servo control
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    Update Rate:​ High-speed servo update (typically 1kHz or higher)
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    Axis Control:​ Supports standard 6-axis robots plus additional external axes
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    Communication:​ Backplane connection to main computer and drive modules
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    Memory:​ On-board memory for motion parameters and calibration data
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    Power Requirement:​ +5VDC from controller backplane
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    Operating Temperature:​ 0°C to 55°C (controller environment)
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    Physical Interface:​ Eurocard format with custom connector

    ABB DSMB127 57360001-HG

    ABB DSMB127 57360001-HG

Core Features & Customer Value
The module’s high-speed processing capability enables smooth, precise robot motion essential for applications requiring path accuracy and velocity stability. For manufacturing processes such as arc welding or laser cutting, this translates to consistent quality and reduced rework. The sophisticated trajectory planning algorithms minimize cycle times while maintaining path accuracy, directly impacting production throughput.
Advanced servo control features include vibration suppression and friction compensation, which improve positioning accuracy and reduce mechanical wear on the robot mechanism. For maintenance teams, the module’s comprehensive diagnostic capabilities help identify developing issues before they cause unplanned downtime, supporting predictive maintenance strategies.
Typical Applications
In automotive spot welding applications, the DSMB127 ensures precise electrode positioning and consistent weld gun approach angles while coordinating with workpiece positioners. The module’s ability to handle complex multi-axis interpolation enables the robot to maintain optimal gun orientation throughout the welding sequence.
For machining applications such as deburring or polishing, the axis computer provides the necessary path accuracy and force control adaptation. The module processes external sensor feedback to adjust the tool path in real-time, compensating for part-to-part variations and ensuring consistent finishing quality.

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