910
4.2 Connections of 4‐lead Motor
Figure 9: 4‐lead Motor Connections
4.3 Connections of 6‐lead Motor
Figure10: 6‐lead motor half coil (higher speed)
connections
Figure 11: 6‐lead motor full coil (higher torque)
connections
4.4 Connections of 8‐lead Motor
Figure 12: 8‐lead motor series connections Figure 13: 8‐lead motor parallel connections
Figure14: 8‐lead motor half coil
5 Frequently Asked Questions
6Warranty
STEPPERONLINE® warrants its products against defects in materials and workmanship for a period of
12 months from shipment. During the warranty period, STEPPERONLINE will either, at its option,
repair or replace products which proved to be defective. To obtain warranty service, a returned
material authorization number (RMA) must be obtained before returning product for service.
Exclusions: The above warranty does not extend to any product damaged by reasons of improper or
inadequate handlings by customer, improper or inadequate customer wirings, unauthorized
modification or misuse, or operation beyond the electrical specifications of the product and/or
operation beyond environmental specifications for the product.
For more detailed descriptions, please refer to the specifications on our website:
www.omc‐stepperonline.com.
Symptoms Possible Problems
Motor is not rotating
No power
Fault condition exists
The driver is disabled
Motor rotates in the wrong direction The direction signal level is reverse
Erratic motor motion
Control signal is too weak
Control signal is interfered
Wrong motor connection
Something wrong with motor coil
Motor stalls during acceleration
Current setting is too small
Motor is undersized for the application
Acceleration is set too high
Power supply voltage too low
Excessive motor and driver heating
Inadequate heat sinking / cooling
Motor current setting is too high
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