Digital guide
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Kollmorgen S403M-PB403M-P
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Product Name: SERVOSTAR 400 (S400) Digital Servo Amplifier Pair – Master + Axis Module
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Product Introduction: S403M is the S400 master power supply/control module; PB403M-P is the paired axis amplifier module forming a 3 A class 400 VAC servo drive set for AKM/BLDC motors.
Detailed content
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Technical Specifications: 3-phase 400 VAC input; 3 A RMS continuous, higher peak; DC bus ~560 VDC; digital current/velocity/position loops; ±10 V analog, pulse/dir, CANopen/Profibus via option card; RS232 setup.
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Functional Features: Four-quadrant PWM; holding brake output; external regen resistor support; LED diagnostics; DRIVE.EXE commissioning; UL/cUL/CE.
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Application Scenarios: Single-axis retrofit, multi-axis cabinet with shared S403M master, legacy machine tool upgrades.
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Working Principle: S403M rectifies mains and distributes DC bus to PB403M-P which commutates motor phases using encoder/resolver feedback.
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Installation Requirements: Master left of axis module on DIN/panel; bus link connectors seated; shielded cables separated; 24 VDC control supply independent of power stage.
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Usage Notes: Axis module cannot operate without S403M master; firmware mismatch causes F-codes; motor dataset must match winding before enable.
