Digital guide

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Kollmorgen CR20560

Product Series:​ Kollmorgen SERVOSTAR CD Family​ — 230 VAC Class
Input Supply Voltage:208 – 230 VAC 3Φ​ (some accept 115/230 VAC 1Φ — CD20560 is 3Φ 208–230 VAC)
DC Bus Voltage (Nominal):≈ 325 VDC
Continuous Output Current (RMS):20.0 A

Detailed content

Control Logic Supply:+24 V DC​ (18–30 VDC), isolated
Communication/Control:​ SERCOSoptical fiber (standard on CD-c), or analog ±10 V + step/dir (depending on I/O card fitted — CR20560 typically SERCOS version “C”)
Supported Feedback:​ Resolver (std), Incremental Encoder, SinCos 1 Vpp, EnDat (with option card)
PWM Frequency:​ 8 kHz / 16 kHz (selectable)
Protections:​ Overcurrent, bus UV (< 90 VDC) / OV (> 430 VDC), I²t motor model, short-circuit, heatsink OT
Dimensions (H × W × D):244 mm × 100 mm × 163 mm​ (CD wide format)
Weight:≈ 3.2 kg
Cooling:​ Forced convection (internal fan)
Protection Class:IP20
Operating Temperature:0 °C to +45 °C (full); derating to +55 °C
Certifications:​ CE, UL, cULus
Applicable Industries:​ Large converting winders, printing press main drives, textile take-up, legacy SERCOS-based multi-axis systems
Installation Requirements (Drive):​ Vertical mount in grounded enclosure; 3Φ supply via line filter + contactor; PE; SERCOS fiber ring with proper termination; verify node address DIP switches.
Usage Notes (Drive):​ Legacy — replaced by AKD/AKD2G; verify actual current rating on nameplate (CD20560 = 20 A cont); external regen resistor likely required for high-inertia deceleration; if the item is physically a cable (flexible with M23/Intercontec connectors + flying leads), treat per cable rules stated in earlier CB/CR entries: separate power/feedback, shield grounded at drive end only, verify motor compatibility.

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