Digital guide
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Kollmorgen 403A-P/S403BA-PB
Product Name: SERVOSTAR® 400 Series Digital Servo Drive, 3 A Continuous, Profibus Option
Product Overview:
The SERVOSTAR 403A-P (shipped as S403BA-PB) is a compact, DSP-based digital servo amplifier for controlling brushless AC servo motors. “403” = 3 A continuous output; “A” = 230 VAC class; “P” = Profibus DP fieldbus interface; “B” in S403BA-PB = standard I/O/config.
Detailed content
Key Technical Specifications:
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Input Voltage: 1×115 VAC or 3×115–230 VAC (check label; 403 = 115–230 VAC single/3Ø)
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Continuous Output Current: 3.0 Arms
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Peak Output Current: 6.0 Arms (2 s)
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Output Power: Up to ~0.75–1.0 kW motor rating
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DC Bus Voltage: ~160–325 VDC (rectified from AC input)
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Control Loops: Digital current, velocity, position with auto-tuning
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Fieldbus Interface: Profibus DP (PB suffix); also supports CANopen/EtherCAT in other variants
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Analog I/O: ±10 V torque/velocity command, ±10 V monitor outputs
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Step/Dir Input: Optically isolated
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Encoder/Resolver Input: Supports resolver, incremental encoder (up to 2 MHz), SFD, Hiperface (model dependent)
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Protective Functions: Overcurrent, overvoltage, undervoltage, overspeed, motor overtemperature (via thermostat input)
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Mounting: DIN rail or panel
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Operating Temp: 0 to +55°C (derate above 45°C)
Features:
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Commissioning via Kollmorgen WorkBench or DriveGUI software (RS-232 port)
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Store/restore parameter sets; electronic gearing
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Integrated regenerative braking management
Applications:
Small-to-medium axis control in packaging, lab automation, semiconductor, medical devices — pairs well with B-206, AKM2x, CKM20/30 motors.
