THB7128 Stepper Motor Driver Board 128 Segments DC35V 3A for 42 57 Motor
Specification:
1 maximum input voltage DC 34V
2 Power reverse polarity protection
3 Interface High-speed optocoupler isolation
4 high integration and high reliability
5 subdivision eightshelves are adjustable up to 128 segments
6 Output current 8shelves are adjustable, max 3A
7 automatic half current locking8 automatic overheat protection
Terminal Description:
- Operating voltage connection: DC24V power supply is recommended
1. VM connect the DC power supply positive
2. GND connect the DC power supply negative
Motor winding connection:
1. A + is connected to the motor windings A phase
2. A- is connected to the motor winding A-phase
3. B + is connected to the motor winding B-phase
4. B- is connected to the motor winding B-phase
Signal input terminal:
1. CP + pulse input signal positive terminal
2. CP-pulse input signal negative terminal
3. CW + direction input signal positive terminal
4. CW-direction input signal negative terminal
5. EN + Offline enable signal positive terminal
6. EN-enable signal negative terminal offline
Input Signal InterfaceThere are three way input signals: (1) pulse signal CP, CP-; (2) direction level signal CW, CW-; (3) off enable signal EN, EN-. In the interface circuit inside the drive the same, according to the need to use common anode or common cathode connection.