StepperOnline CL42T - Fault Protections & Troubleshooting

CL42T(V4.1) Closed-Loop Stepper Driver
10
Figure 10: Sequence chart of control signals
Remark:
a) t1: ENA must be ahead of DIR by at least 200ms. Usually, ENA+ and ENA- are NC (not connected).
See“Connector P1 Configurations” for more information.
b) t2: DIR must be ahead of PUL effective edge by 2us to ensure correct direction;
c) t3: Pulse width not less than 1us;
d) t4: Low level width not less than 1us;
e) Duty cycle of PUL signal is recommended 50%.
8. Fault Protections & Troubleshooting
To improve reliability, the drive incorporates some built-in protection features.
Blink
time(s)
Sequence wave of red LED Description Trouble shooting
1
5S
0.2S
Over-current
Turn off the power immediately.
a) Check wiring is short-circuited or not;
b) Check motor is short-circuited or not.
2
5S
0.3S 0.2S
Over-voltage
Turn off the power immediately.
a) Check if the power voltage is higher
than 90VDC
3 Chip error
Restart the power supply, if the drive
isstill alarm, please contact after-sale
4
Fail to lock
motor shaft
a)
The drive is not connected to a motor;
b) If alarm is occurred when connect a
motor, please check the motor power
cable.
5 EEPROM error
Restart the power supply, if the drive
isstill alarm, please contact after-sale