R86 User Manual
6
The upper controller can be the pulse signal generating device, such as PLC, MCU, control
card and controller.
The pulse level that R86 driver can be used: 3.3V-24V (no need to connect resistor)
Pulse and direction (PUL + DIR)
Double pulse (CW +CCW)
3.4.2 ENA port: enable/disable
By default,when the internal optocoupler is off, the driver outputs current to the motor;
When the internal optocoupler is on, the driver will cut off the current of each phase of the
motor to make the motor free, and the step pulse will not be responded.
When the motor is in error state, ENA input can be used to restart the drive. Firstly, the fault
is eliminated,and then a falling edge signal is input to the ENA terminal. The driver can
restart the power part and the motor is excited.
The level logic of the ENA signal can be set to the opposite, with the logic being opposite to
the above.
3.4.3 Examples for control signal connection
Common Anode
Pul+
Pul-
Dir+
Dir-
Ena+
Ena-
Vcc
Forward
Reverse
Reverse
Forward
Controller
Driver
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