Kollmorgen AKD2G Servo Drive Review: Specs, Price and Applications
Kollmorgen AKD2G is a dual-axis servo-drive platform with WorkBench configuration, expandable I/O, removable memory and dual-channel STO. The supplied profile lists current-loop, velocity-loop and position-loop updates of 1.28, 62.5 and 125 µs respectively.
Quick Verdict
A capable platform to assess for a compatible dual-axis machine. The loop update figures describe electronics timing; actual tracking and settling depend on motor, feedback and mechanical dynamics.
Kollmorgen AKD2G Servo Drive at a Glance
Specification | Details |
Architecture | Dual-axis servo drive |
Current-loop update reference | 1.28 µs |
Velocity-loop update reference | 62.5 µs |
Position-loop update reference | 125 µs |
Setup | Kollmorgen WorkBench |
Features | Expandable I/O and removable memory |
Safety interface | Dual-channel STO |
Design and Engineering Assessment
Two axes in one platform can simplify power and panel arrangements, but the drive still needs a suitable supply and protection design. Evaluate simultaneous motion and the actual motor combinations rather than assuming each axis operates independently of the shared installation.
Removable memory can support replacement procedures when the stored configuration is controlled and current. It should preserve a qualified setup, not bypass checks of motor identity, wiring and mechanical direction.
Current, Voltage and Duty Cycle
A servo drive’s continuous current, peak current and supply envelope describe different constraints. Peak capability supports acceleration for a limited interval; continuous capability determines whether a repeated motion cycle can run without excessive temperature. The useful operating point also depends on the motor winding and back EMF. A nominal wattage therefore serves as an initial selection aid rather than a complete sizing result.
Deceleration can return energy to the DC bus. A machine with a large moving mass or repeated rapid stops needs a defined path for that energy, whether through a shared bus, an appropriate braking arrangement or a regenerative supply. The drive, supply and protection devices must be considered together so that a normal stop does not become an overvoltage trip.
Feedback and Command Architecture
Confirm the exact feedback format, commutation method and electrical interface before connecting a motor. Incremental, absolute and Hall feedback have different purposes and wiring requirements. The machine controller’s command mode must also agree with the drive’s operating mode; a torque-controlled amplifier relies on a different supervisory arrangement from a drive that closes its own position loop.
Motor power and feedback cables should be routed and terminated according to the selected equipment’s electrical design. Connector fit alone does not establish a valid pinout. For an existing machine, preserving the approved motor parameters, direction conventions and fault handling is more reliable than assuming that two similarly rated drives are interchangeable.
Tuning and System Acceptance
Tune with the actual mechanism and representative load. Coupling stiffness, gearbox compliance and structural resonances can limit the useful bandwidth even when the electronics offer fast control updates. Start from stable current and velocity behavior, then assess position tracking and settling against the machine’s acceptance criteria. Faster loop settings are useful only when the mechanics and feedback support them.
Fault recovery should be part of acceptance testing. Check the response to following error, feedback loss, network interruption and a commanded stop under the intended machine design. A protection function in a drive does not by itself establish the safety performance of a complete machine; that depends on the selected functions, wiring and system architecture.
Applications and Selection
Industrial servo machinery, particularly systems using compatible Kollmorgen motors such as AKM2G.
For Kollmorgen AKD2G Servo Drive, define the actual machine duty before selecting an ordering configuration. Include the required operating point, available installation space, environment and control interfaces. The specification table describes the product or family; the surrounding machine determines which of those features matters for the intended job.
Price and Value
Price: Request a quote for the exact configuration. Compare the product, compatible control equipment, required mechanical parts, cabling and commissioning as one installed system. A component price alone does not represent the cost of a working automation axis.
Evaluate an alternative against the same duty and acceptance criteria. Match the continuous operating requirement first, then compare transient capability, feedback, mechanical fit and support. This avoids choosing between superficially similar products whose ratings describe different operating conditions.
Pros and Cons
Advantages
Dual-axis architecture and configuration tools
Expandable I/O and removable configuration memory
Limitations
Timing figures do not establish complete-axis accuracy
Shared installation and motor compatibility need qualification
Who Should Consider Kollmorgen AKD2G Servo Drive?
A capable platform to assess for a compatible dual-axis machine. The loop update figures describe electronics timing; actual tracking and settling depend on motor, feedback and mechanical dynamics.
Kollmorgen AKD2G Servo Drive FAQ
What is Kollmorgen AKD2G Servo Drive?
Kollmorgen AKD2G is a dual-axis servo-drive platform with WorkBench configuration, expandable I/O, removable memory and dual-channel STO.
Which specifications matter most?
Architecture: Dual-axis servo drive. Current-loop update reference: 1.28 µs. Interpret the remaining ratings within the selected configuration and operating duty.
What applications should it be considered for?
Industrial servo machinery, particularly systems using compatible Kollmorgen motors such as AKM2G.
What is the main advantage?
Dual-axis architecture and configuration tools. Expandable I/O and removable configuration memory.
What limitation affects integration?
Timing figures do not establish complete-axis accuracy. Shared installation and motor compatibility need qualification.
What is the price?
Request a quote for the selected model, options and delivery terms. Any stated example price applies only to its identified seller configuration and may change.
How should an alternative be compared?
Use the same operating duty, installation envelope and acceptance requirements. Compare the complete system, including the compatible drive or controller, mechanical interfaces and commissioning effort.
What should be specified when ordering?
State the complete model or configuration, intended operating point, mechanical interfaces and required control equipment. Include the relevant environment, accessories and quantity so that the quotation describes a usable system.
Prices are indicative and may change. Confirm the final configuration, commercial terms and delivery schedule before ordering.
