Digital guide
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Kollmorgen S406AM-PB
Product Name: SERVOSTAR 400 S406AM-PB Digital Servo Amplifier (Master Module)
Product Introduction: Legacy S400-series digital brushless servo drive master axis with integrated PROFIBUS-DP option. Intended for speed, torque and position control of synchronous AC servo motors. Supported for installed-base service only; AKD series is the current replacement platform.
Detailed content
Technical Specifications:
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Rated supply: 3 × 230 VAC to 3 × 400 VAC (±10%), 50/60 Hz
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DC bus: 310–560 VDC
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Continuous output: 6 A RMS / phase
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Peak output: 12 A RMS for 5 s
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Output stage clock: 8 kHz
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Overvoltage trip: 450 VDC (typical for lower-voltage variant); 560 V class for 400 VAC mains
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Control logic: internal 24 V derived from mains
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Feedback supported: resolver, incremental encoder, sin/cos encoder
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Fieldbus: PROFIBUS-DP slave via PB expansion; RS232 service port; CANopen onboard
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Regen: internal 40 W, external up to 400 W continuous / 16 kW peak
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Protection: IP20, UL/cUL, CE Low Voltage & EMC directives
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Operating temp: 0 to +45 °C (derating above 40 °C with fan)
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Mounting: vertical DIN rail (300 mm cabinet), 100 mm wide master / 50 mm axis modules
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Dimensions: 245 × 100 × 225 mm (master, without connectors)
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Weight: approx. 3.0 kg
Functional Features: Current / speed / position cascaded loops, electronic gearing, brake control output, encoder emulation (ROD426 / SSI), front-panel LED + keypad, full programmability via RS232 or CANopen, PROFIBUS DP baud 9.6 k–12 Mbit.
Application Scenarios: Retrofit of legacy CNC axes, packaging machines, printing presses, material handling cells still running S400 architecture.
Installation Notes: Vertical mounting only; leave 50 mm top/bottom clearance; bond shield directly to amplifier clamp; use external fan for sustained 6 A operation.
Usage Precautions: Do not mix 230 V and 400 V axis modules on same DC link without configuration; discharge DC bus >5 min before handling; PROFIBUS address set via DIP switches on option card.
