Stepper motor specifications:
2 phase closed-loop stepper motor
Size NEMA17, length 48mm pluse 22mm encoder
Rated current 2.3A
Encoder 1000PPR AB output
Holding torque 0.6N.m 

Closed loop stepper driver :
Two Phase Closed-loop Stepper Motor Driver
It's used to control NEMA17 and NEMA23 closed-loop stepper motor
1. Voltage input range: DC: 20V ~ 50V (recommended 36V or more)
2. Maximum peak current: 6A
3. Subdivision range: 400 ~ 51200ppr
4. Pulse form: pulse + direction, CW / CCW
5. Impulse response frequency: 0 ~ 200kHz
6. Logic input current: 10 ~ 20mA
7. Power-on parameter auto-tuning function
8. Closed-loop vector control to ensure that the motor high-speed high-torque output, while ensuring that the motor does not lose step
9. With over-voltage, over-current, tracking error tolerance and other protection functions
 
Main parameters:
Parameter
   LCDA257S
Minimum value
Typical value
 Maximum value
 unit 
Max peak current
          -
             -
   6
    A
Input power voltage
          20
            36
  50
  Vdc
Logic input current
           7
            10
  20
  mA
 Pulse frequency
           -
              -
 200
 kHz
 
Driver terminal description
 
1) Power terminal definition 
 
Symbol
                        Name
   A+
A-phase motor winding positive terminal
   A-
A phase motor winding negative terminal
   B+
B-phase motor winding positive terminal
   B-
B-phase motor winding negative terminal
+VDC
Power access positive terminal
 GND
          Power access ground
 
2) Driver Encoder Terminal Definition:
 
Symbol
Color
Explanation
EB+
Yellow
 Motor encoder B phase positive input
EB-
Green
Motor encoder B phase negative input
EA+
Black
Motor encoder A phase positive input
EA-
Blue
Motor encoder A phase negative input
VCC
Red
Encoder + 5V input
EGND
White
Encoder power ground