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AKM52K-ANCNR-00 Kollmorgen

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The Kollmorgen AKM52K-ANCNR-00 is a synchronous servo motor in the AKM Synchronous Servo Motors series. It features a frame dimension of 108 mm and has a smooth shaft with IEC flange configuration. The motor includes a resolver feedback system with single turn, inductive feedback and comes without a brake.

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Product Description:

Kollmorgen manufactures the AKM52K-ANCNR-00, a member of the AKM Synchronous Servo Motors series. This brushless servo motor functions as a torque-dense rotary actuator in automation cells, supplying precise velocity and position control for indexing tables, pick-and-place arms, and compact conveyors. Its compact design supports applications that need accurate motion without a large installation footprint. It can be used on rotary axes that require smooth acceleration, controlled deceleration, and reliable tracking of commanded motion profiles. This helps it fit packaging, handling, and assembly equipment with limited space around the axis.

To meet diverse installation needs, the motor is supplied without a brake, so external holding must be provided only when required by the axis. Electrical power, resolver signals, and protective earth are consolidated in 2 SpeedTec Ready connectors, which use a bayonet-style connection to simplify cable attachment while maintaining sealing. This connector layout reduces external wiring clutter and keeps the motor body easy to integrate in compact machine sections. Position feedback is provided by a resolver, which offers analog sine and cosine signals that tolerate vibration and elevated temperature. The housing measures 108 mm across the mounting face, fitting a mid-range square motor format for compact machinery. Output torque is transmitted through a smooth shaft, which works well with clamp-style couplings used in precision motion systems.

The motor uses 2 poles, which supports standard servo commutation and drive matching. Feedback is described as single-turn, inductive, indicating one mechanical revolution of position information through the resolver system. The motor also has a Rotor Length Index 2 and a Winding Designation K, which are used when selecting a compatible drive and current range. Those motor codes indicate the electromagnetic and mechanical arrangement used for this version of the motor. The flange follows the standard IEC pilot diameter and accuracy class N to support concentric mounting with connected equipment.

Brake System
Without brake
Connector Arrangement
2 SpeedTec Ready connectors
Customization Level
Standard
Feedback Resolution
2 poles
Feedback System
Resolver
Feedback Turns
Single turn, inductive
Feedback Type
Size 10/15/21
Flange Configuration
IEC with accuracy N
Frame Dimension
108mm
Product Family
AKM Synchronous Servo Motor
Rotor Length Index
2
Shaft Detail
Smooth Shaft
Winding Designation
K
  • AKM-52K-ANCNR-00
  • AKM52K-ANCNR-OO
Model Frame Continuous stall Nm* Peak Nm Max rpm Key differentiator
AKM51G-ANCNR-00 5 × 84 mm  4.75 Nm 11.7 8 000 High-speed “G” winding, shortest stack
AKM52K-ANCNR-00 5 × 84 mm  8.6 Nm  21.9 6 000 Baseline (K winding, resolver feedback)
AKM52G-ANCNR-00 5 × 84 mm  7.9 Nm  24 8 000 Higher top speed “G” winding
AKM53K-ANCNR-00 5 × 84 mm  11.6 Nm  28 6 000 +35 % torque, same connectors
AKM54K-ANCNR-00 5 × 84 mm  14.4 Nm 32 6 000 Highest torque in AKM5 frame
AKM42E-ANCNR-01 4 × 84 mm 3.4 Nm 15.9 6 000 Lighter AKM4 option if space/weight critical
Drive code What it means
F219 Control-board EEPROM write failed
F209 Power-board EEPROM read error
F210 Power-board serial-number data corrupt
F230 Power-board EEPROM write failed
F232 Power-board EEPROM invalid data
F501 Bus over-voltage (> HVOV)
F502 Bus under-voltage (< HVUV)
F525 Output over-current
F526 Current-sensor short circuit / wiring reversed
F535 Drive power-board over-temperature (> 85 °C)
Fault / Error Code What it means Corrective action
F301 – Motor overheated The embedded KTY/thermistor in the AKM52K reports a temperature above its safe limit Improve cabinet airflow, check that the motor is firmly bolted to a heatsinking metal plate, and allow it to cool before re-enabling.
F302 – Overspeed Actual shaft speed exceeded the user limit (VL.THRESH) Raise VL.THRESH if the commanded speed is legitimate, or lower the velocity command / gearing so the motor cannot over-rev.
F304 – Motor foldback Continuous overload: the drive has reduced current to prevent thermal damage Inspect for jammed or sticking load; reduce move profile aggressiveness or increase acceleration time, then clear the fault.
F305 – Brake open-circuit The drive cannot pull current through the optional holding brake coil  Verify brake wiring and connector pins; if the motor has no brake set MOTOR.BRAKE=0 (or 100 to disable monitoring) and reboot.
F306 – Brake short-circuit Brake coil resistance is below the expected value, indicating a short or crushed cable  Check cable for damage or pinched insulation; measure brake coil resistance vs. datasheet, replace brake or repair wiring.
F308 – Bus voltage exceeds motor rating The DC-bus is higher than the AKM52K’s insulation class permits Verify mains supply and drive model match the motor; lower bus voltage or fit a motor with the correct voltage suffix.
F417 – Broken wire in primary feedback Incremental encoder (A/B/Z) amplitude fell, pointing to an open in the feedback cable  Inspect the hybrid cable for cuts or loose crimps; reseat X10, repair or replace the cable, then clear the fault.
F418 – Encoder 5 V supply fault The drive detected an overload or short on the encoder power rail  Unplug feedback, check for pin-to-pin shorts; if the fault clears, reconnect with power off, else replace the feedback device.
F502 – DC-bus under-voltage Mains sag or single-phasing has pulled the bus below the safe threshold  Confirm all three phases (or both for 1-φ) are present and sized; look for tripped breakers or loose contactors, then reset.
F525 – Output over-current Phase current spiked above the drive’s peak limit – possible phase-to-phase short or stalled axis  Check motor cable and connector for shorts, ensure the load is free to move, then power-cycle and re-test with lower torque.

Frequently Asked Questions about AKM52K-ANCNR-00:

Q: What type of shaft is provided on the AKM52K-ANCNR-00 motor?

A: The AKM52K-ANCNR-00 servo motor features a smooth shaft design for direct coupling to compatible components.

Q: What kind of feedback system does the AKM52K-ANCNR-00 use?

A: This model is equipped with a resolver feedback system offering single turn, inductive position feedback.

Q: How many connectors are present on the AKM52K-ANCNR-00 and what type are they?

A: The motor comes with two SpeedTec Ready connectors for streamlined electrical connections.

Q: Does the AKM52K-ANCNR-00 include a built-in brake system?

A: The AKM52K-ANCNR-00 is supplied without a brake system, making it suitable for applications that do not require holding torque when power is removed.

Q: What flange configuration is used on the AKM52K-ANCNR-00 servo motor?

A: The mounting flange follows an IEC configuration with standard accuracy classified as N.


Internal Product Review

  • ‘‘The AKM52K-ANCNR-00 is a Kollmorgen AKM synchronous servo motor configured with a resolver feedback system and a smooth shaft. Single-turn inductive feedback and an IEC flange with accuracy N support dependable motion control and clean machine integration. A standard configuration without brake makes the unit a strong choice for streamlined servo applications.’’

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