Electrical Specifications
| Direction | MC425 |
| Minimum Value | Typical value | Maximum value | Unit |
| Max peak current | 0.5 | - | 2.2 | A |
| Input power voltage | 18 | 24 | 36 | VDC |
| Control signal Current | 7 | 10 | 16 | mA |
| Pulse frequency | 0 | - | 75 | KHZ |
| Insulation resistance | 500 | - | - | mΩ |
Interface definition
（1）Control signal interface
| Name | Function |
PUL | Pulse input signal |
DIR | Direction input signal, used to change the direction of motor operation, in order to ensure reliable reversing motor, the direction of the signal should be
The initial direction of operation of the motor is related to the wiring of the motor windings, and the interchange of any phase winding (eg A +, A-exchange) can change the direction of the initial operation of the motor |
OPTO | Pulse / direction / enable signal power positive side, the default external 5V, such as the use of +12 V or +24 V need to connect in series resistance |
ENA | Enables the control signal, which is used to enable or disable the drive output. When the ENA is low (or internal optocoupler), the driver will cut off the current of each phase of the motor so that the motor is in a free state and does not respond to stepping pulses. When this function is not required, use the signal side to float |
（2）Power interface
| Name | Function |
GND | DC power ground |
+Vdc | DC power supply is, range: 18V ~ 36V, the proposed +24 V |
A+,A- | Motor A phase winding |
B+,B+ | Motor B phase winding |
Code setting
Running current setting
| Peak input current | SW1 | SW2 | SW3 |
0.5A | on | on | on |
0.7A | off | on | on |
1.0A | on | off | on |
1.3A | off | off | on |
1.6A | on | on | off |
1.9A | off | on | off |
2.2A | on | off | off |
2.5A | off | off | off |
Static current setting
The quiescent current can be set with the SW4 DIP switch, off that the quiescent current is set to half the operating current, and on is the same as the operating current. SW4 should be set to off for general use, which reduces the heat generation of the motor and the drive, reduces the energy consumption and improves the reliability. Pulse signal to stop 0.4 seconds after the current automatically halved, heat theoretically reduced to 25%.
Microstep settings :
| Step/turn | SW5 | SW6 |
400 | on | on |
1600 | off | on |
3200 | on | off |
6400 | off | off |
Using environment and parameters
| Cooling method | Natural cooling or forced air cooling |
| Using Environment | Occasion | Can not be placed on other heating equipment, to avoid dust, oil, corrosive gases, too much temperature and strong vibration sites, prohibit combustible gases and conductive dust |
| Temperature | 0~50℃ |
| Humidity | 40~90%RH |
| Shock | 10~55Hz/0.15mm |
| Save temperature | -20℃~65℃ |
| Weight | 150g |