AKT-SM-L15-000 Kollmorgen
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The AKT-SM-L15-000 is a stepper motor terminal manufactured by Kollmorgen as part of the AKT IO Terminals series. It supports 1 stepper motor with 2 phases, maximum microstepping of 64 steps, and a peak current of 2 x 1.5 amps. The device features 2 digital inputs with a 0.2 ms input filter, an input nominal voltage of 24 VDC, and mounts on a 35 mm rail.
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Product Description:
Kollmorgen produces the AKT-SM-L15-000 as part of the AKT IO Terminals series. The terminal is dedicated to stepper motor control in modular automation racks, providing both power and pulse-train generation for one two-phase motor. By sitting next to digital and analog slices, it lets the system builder add axis movement without a discrete panel-mounted drive.
During continuous operation, the terminal supplies 2 × 1 A to the motor windings, with a momentary ceiling of 2 × 1.5 A for acceleration events. The power stage is fed from a logic supply of 24 VDC, and input transitions are debounced by an 0.2 ms filter to protect the processor from contact chatter. Two opto-isolated control lines provide 2 digital inputs for limit switches or home sensors. The pulse generator can issue step commands at up to 125,000 steps/s, enabling high feed rates when it is paired with small-pitch lead screws. Resolution is boosted by the built-in microstep sequencer that supports up to 64-step drive, giving smoother motion than coarse full-step operation. One terminal channel delivers those pulses and the complementary direction signal to a single two-phase motor, while incremental current ramps help reduce excitation resonance.
The housing snaps onto a 35 mm mounting rail beside other Advanced Kollmorgen Terminal slices, and wiring is tool-free because it uses pluggable connectors shared by all bus terminals. An IP20 enclosure confines hazardous voltages, so installation must occur inside control cabinets, yet the board tolerates ambient moisture up to 95% relative humidity. Motion granularity can be set to full, half, or intermediate values of 4, 8, 16, and 32 microsteps, allowing resonance avoidance without firmware changes. Because field power and EtherCAT signals pass through the backplane, only motor and sensor leads exit the rack, which shortens panel assembly time.
Frequently Asked Questions about AKT-SM-L15-000:
Q: What is the peak current capability of the AKT-SM-L15-000 terminal?
A: The AKT-SM-L15-000 supports a peak current of up to 2 x 1.5 A for its output channels.
Q: What is the highest microstepping resolution supported by the AKT-SM-L15-000?
A: This terminal offers a maximum microstepping resolution of 64 steps per full rotation, allowing for fine motion control.
Q: How many digital input channels does the AKT-SM-L15-000 include?
A: The AKT-SM-L15-000 provides two digital input channels for integration with external devices.
Q: Does the AKT-SM-L15-000 feature pluggable wiring for bus terminals?
A: Pluggable wiring is available for all bus terminals, facilitating easy installation and maintenance.
Q: What is the protection class rating of the AKT-SM-L15-000 terminal?
A: The protection class for the AKT-SM-L15-000 is rated at IP20.
