1. the Environment and Humidity: Temperature: 0-50 C

3977 chip

Features: 1. the environment and humidity: temperature: 0-50°C

2. compatible motors: two-phase hydrid 4-wire or 6-wire stepper motors 3. the power supply: 24V is better ( 12V-30V)/50W per axis ( the switch power supply is better) 4. Adopt the constant flow temporary wave double H bridge and the PWM to adjust the phase current , making the driver more stable. The input signal port uses the GND as the optical isolated circuit 5. resolution : full step(1), half step(1/2),1/4,1/8

6. dimension: 158*120*33mm （includ the heatsink）

7. default setup of the resolution is 1/8, the default current is about 2A

Attentions: 1. do not short-circuit the driver board 2. avoid the liquid to flow into the driving circuit , if you use it in the moist environment , please avoid the condensation of the moisture 3. do not plug in or out the cable of the driver when they are electrified, otherwise, it will cause the large current and do harm to the driver board 4. do not use the power supply that the voltage is larger than the rate voltage, it will do damages to the board 5. the controlling signal input should be short, it will reduce the interference 6. install with good ventilation , if it is installed inside the box, please make sure that the box has an air inlet for cooling 7. when running in case of the large current, please use the resolution , if not, when it runs at low speed, it will cause instant large current and will burn the board

the connection of the motor: The parallel port control signal input: You can connect it by CON1 or 25-pin Cable from P port to Parallel port of the PC.

NO. Name CON1 P port remarks port 1 Null 1 1 2 X pulse 2 3 3 X direction 3 5 4 Y pulse 4 7 5 Y direction 5 9 6 Z pulse 6 11 7 Z direction 7 13 8 A pulse 8 15 9 A direction 9 17 10 E-stop 10 19 Low level current 11 X axis limit 11 21 12 Y axis limit 12 23 13 Z axis limit 13 25 14 null 14 2 15 A axis limit 15 4 16 EN 16 6 High level 17 null 17 8 18 GND 18-25 10,12,14,16, 18,20,22,24

The EN control port CON2 and P4 wiring NO. Name CON21 P4 1 GND 1 1 2 GND 6 2 3 null 2 3 4 E-stop 7 4 5 X axis limit 3 5 6 Y axis limit 8 6 7 Z axis limit 4 7 8 A axis limit 9 8 9 +5V 5 9 10 +5V null 10

The 4th axis extension port CON3 and P1 NO. Name CON3 P1 remarks 1 A axis direction 1 1 2 GND 6 2 3 GND 2 3 4 A axis pulse input 7 4 5 GND 3 5 6 GND 8 6 7 EN 4 7 Low level current 8 GND 9 8 9 +5V 5 9 external 10 +5V null 10 external

The setup of Mach3

The Y axis is as same as the X axis Z axis pulse is 800 , acceleration is 800.