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SD02C

2A Stepper Motor Driver

User’s Manual

V1.0

APRIL 2016

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Содержание SD02C

Страница 1: ...SD02C 2A Stepper Motor Driver User s Manual V1 0 APRIL 2016...

Страница 2: ...gnal Input Pin 13 5 3 Connecting to switches without microcontroller 14 5 4 Connecting to microcontroller through UART 15 5 4 1 Connecting SD02C to controller 15 5 4 2 Connecting SD02C to computer 17...

Страница 3: ...ntrol user can On Off Run Brake and change motor s rotation direction Set motor speed Request for encoder value Track an encoder value and brake the motor Set new baud rate for the driver Not familiar...

Страница 4: ...ng some commands SD02C is able to accelerate the stepper motor from the specified initial speed to final speed at desired acceleration rate While the stepper motor is accelerating the host may take ca...

Страница 5: ...pper motor bipolar unipolar stepper motor bifilar stepper motor and hybrid stepper motor For more description of stepper motor user is advice to refer to Wikipedia at http en wikipedia org wiki Steppe...

Страница 6: ...ts missing please contact us at sales cytron com my immediately SD02C comes with 1 x SD02C board with every component is soldered properly and tested before board is shipped User s Manual and sample s...

Страница 7: ...r Rotating Direction Input Pin Input for stepper motor to rotate CW clockwise or CCW counterclockwise This pin is TTL CMOS logic 5V and 0V The direction is depends on the connection sequence of steppe...

Страница 8: ...ed to 5V logic UART It should be connected to host s transmit pin VSEL System 5V Connected to 5V board Suitable to power up SKXBee CTS NC Not connected to any pin GND System Ground Common ground for b...

Страница 9: ...tepping for SD02C B A 6 ways connector for user to connect particular stepper motor Please skru the wire properly by referring to chapter 5 Hardware Installation C 4 red LEDs acting as indicator for s...

Страница 10: ...is pressed and hold SD02C will start to drive stepper motor If power supply is connected and this button is pressed LEDs at C will illuminate sequentially H A small green LED to indicate status of pow...

Страница 11: ...1 casing ground 5 wires total 1 If the stepper has four coil wires a Each of the two phases X and Y should have the same resistance when measured with a multi meter When measuring the resistance acro...

Страница 12: ...ould rotate in CCW counterclockwise by looking at the motor shaft If it is in the opposite direction switch either phase X and X or Y and Y effectively reversing directions d In case the stepper come...

Страница 13: ...generate pulses using Compare mode Please refer to source code of PR7 from Cytron Technologies website for details of using Compare mode Please note that if you are using PR7 to control SD02C SD02C sh...

Страница 14: ...l the direction of stepper motor Here is an example of SD02C connected to switches Above figure shows the sample connection using switches to control SD02C and drive a stepper motor S1 act as pulses g...

Страница 15: ...desired steps count accelerate the motor from a specified initial speed to a final speed at desired acceleration rate Here is an example connection of SD02C to Microchip PIC16F877A AND ARDUINO UNO CT...

Страница 16: ...at a voltage according to the specification of the stepper motor used and make sure the voltage is within the voltage range of SD02C VM Please refer to section 3 Product Specification and Limitations...

Страница 17: ...p install the driver for the first time only and it will create a virtual COM port in your computer and is ready to communicate with SD02C User may refer to UC00A User s Manual for hardware and softwa...

Страница 18: ...ace with a computer simply connect UC00A 6 pin connector to SD02C and the USB end to PC as shown in the following figure Please note that the TX and RX pins between SD02C and UC00A are cross connected...

Страница 19: ...efer to documents named USB Driver Installation Guide included in UC00A package for driver installation e After plugged in UC00A to computer and installed the driver user is ready to test the function...

Страница 20: ...off the circuit for protection Hence it is more advisable to turn off the motor instead of leaving it in braking condition stall state For controlling SD02C using signal input pins providing a low lo...

Страница 21: ...computer doesn t have a COM Port you may use Cytron s UC00A USB to UART Converter for the interfacing between SD02C and your computer s USB port or using pair of SKXBee for wireless solution The follo...

Страница 22: ...ng setup correctly and power to stepper motor is connected If you are using UC00A UC00A s driver must be installed 6 After hardware installation choose the correct COM Port Normally the extra virtual...

Страница 23: ...sing SD02C User may on off the motor run brake the motor set the baudrate change direction set moor speed reset track request the encoder value number of steps and accelerate the stepper motor from a...

Страница 24: ...he user SKds40A 4013 mcp MPLAB project file SKds40A 4013 mcw MPLAB workspace file SKds40A 4013 c source code in C language and SKds40A 4013 hex HEX file For immediate testing user may load SKds40A 401...

Страница 25: ...using SD02C with computer and 2 nd example is using SD02C with Microcontroller 7 1 Using SD02C with computer After installation of SD02C GUI and UC00A driver user is ready to use SD02C with computer l...

Страница 26: ...the motor speed change direction reset track request the encoder value number of steps accelerate the stepper motor from a specified initial speed to a final speed at desired acceleration rate and vi...

Страница 27: ...m will control 2 SD02C through 2 X hardware UART a Since the sample program will control 2 SD02C so two SD02Cs are used Other devices are 1 x SKds40A 2 x stepper motor b Setup SKds40A with dsPIC30F401...

Страница 28: ...2V Sealed Lead Acid battery to supply SKds40A Once power is ON power indicator LED on both SKds40A and SD02C will turn ON f Next connect the stepper motors to SD02Cs g Now press the SW on SKds40A to t...

Страница 29: ...h for Arduino to communicate with SD02C through software UART The hardware connection diagram is shown in the figure below The sample code can be downloaded from SD02C s product page You can download...

Страница 30: ...Send R 1 st Byte send 01010010 82 R 9 T Track encoder value and brake the motor at the value given Send T Higher 8 bit Lower 8 bit 1 st Byte send 01010100 84 T 2 nd Byte send Higher 8 bits 3 rd Byte s...

Страница 31: ...tion rate c All initial speed final speed and acceleration rate range from 1 to 255 If SD02C receive 0 the speed is assumed as 1 d Initial speed and final speed received by SD02C will be compared to d...

Страница 32: ...0 x x x x x x x x c After rotated shifted to the left for 8 times user will get first received 8 bits at the 8 most significant bits MSB 1 1 0 1 0 1 1 0 x x x x x x x x x don t care d AND the 16 bits...

Страница 33: ...l brake the stepper motor I 1 st byte Send command T to track encoder and brake motor ii 2 nd byte Send higher 8 bits encoder value iii 3 rd byte Send lower 8 bits encoder value b 2 nd byte and 3 rd b...

Страница 34: ...1 0 1 0 1 1 0 0 0 1 1 1 0 1 1 0 1 1 0 1 0 1 1 0 d After rotated shifted 8 times AND the value with 0x00FF and save it into an 8 bits variable 0111011011010110 2 AND 0000000011111111 2 0000000011010110...

Страница 35: ...9600bps 19200bps 4 x 9600bps 38400bps 6 x 9600bps 57600bps c However it is possible for user to operate SD02C at a baudrate other than the standard baudrates given but the success of the attempt is n...

Страница 36: ...ro stepping 0001 1 8 micro stepping b 1 8 micro stepping means every step of the stepper motor is further divided into 8 micro steps For a stepper motor with 1 8 step 1 micro step will rotate the moto...

Страница 37: ...is not covered under warranty Warranty does not cover freight cost for both ways Prepared by Cytron Technologies Sdn Bhd www cytron com my No 1 Lorong Industri Impian 1 Taman Industri Impian 14000 Buk...

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