) and correct wiring, you can expect excellent, precise motion control in your automation projects.
The two primary methods to identify the coils are:
42mm x 42mm (NEMA 17 frame) with a 34mm body length. Shaft Diameter: 5mm (typically D-shaped). Phase: 2-Phase hybrid stepper. Application Details bj42d15 26v10 stepper motor datasheet
| Parameter | Value | |------------------------|---------------------------| | Frame size | NEMA 17 (42.3 mm square) | | Motor length (D15) | 34 mm ±0.5 mm | | Shaft diameter | 5 mm | | Shaft length | 20–24 mm | | Weight | ~220–250 g | | Number of leads | 4 wires (bipolar) | | Connector type | Molex or JST (often 2.54 mm pitch) |
The final line: "The datasheet is the key. The motor is the lock. The frequency is the turning." ) and correct wiring, you can expect excellent,
The maximum torque the motor can generate from a standstill without losing steps.
| | Wire Color (Typical KELI) | Pin on JST Connector | Driver Terminal | | :--- | :--- | :--- | :--- | | Phase A (+) | Red | Pin 1 | A+ | | Phase A (-) | Blue (or Green) | Pin 2 | A- | | Phase B (+) | Black | Pin 4 | B+ | | Phase B (-) | Yellow (or White) | Pin 3 | B- | Phase: 2-Phase hybrid stepper
Standard bipolar stepper: