CS-D1008E Closed Loop Stepper Drive User Manual
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8. Sequence Chart of Control Signals
In order to avoid some fault operations and deviations, PUL, DIR and ENA should abide by some rules, shown as
following diagram:
Figure 8: Sequence chart of control signals
Remark:
(1) t1: ENA must be ahead of DIR by at least 500ms. Usually, ENA+ and ENA- are NC (no connected). See
“Connector P1 Configurations” for more information.
(2) t2: DIR must be ahead of PUL effective edge by 5us to ensure correct direction.
(3) t3: Pulse width not less than 1us @ 5V, 2.5us @ 24V, these widths are based on a 50% duty cycle. If it is
greater or less than 50%, the width time is required to be wider.
9. Fault Protections
To improve reliability, the drive incorporates some built-in protection features.
Blink
time(s)
Sequence wave of red LED
Description
Trouble shooting
1
0.2S
5S
Over-current
Turn off the power immediately.
a) Check wiring is short-circuited or not;
b) Check motor is short-circuited or not.
2
0.2S
0.3S
5S
Over-voltage
Turn off the power immediately.
a) Check if the power voltage is higher
than 160VDC
3
Chip error
Restart the power supply, if the drive is
still 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 wiring.