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© 1997-2013 Designer Systems 

 

 

Page 7 of 8 

INTERFACE 13.04.13  Revision 1.00 

 

 

 

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18 Channel Servo Driver

DS-SCX18.Shield

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Revision History: 
 
1.00 Release version 
 
 

  Mechanical Specifications – Units millimetres

 

Содержание DS-SCX18.S

Страница 1: ...fea tures high speed I2 C communica tion for easy project integration and smooth speed control Once connected each servo can be positioned with speed control enabled reversed and soft started by simply writing a value to an internal register over the connect ed I2 C interface The SCX18 S caters for the major ity of servos by providing a wide pulse width range of 0 50mS to 2 50mS with 8uS per step ...

Страница 2: ...plete device address i e if both jumpers are left connected default then the device address would be 1110100Dbinary The D bit determines if a read or a write to the SCX18 is to be per formed If the D bit is set 1 then a register read is performed or if clear 0 a register write To access individual registers a de vice write must be undertaken by the I2 C Master which consists of a Start condition d...

Страница 3: ...lue 0 to 15 0 slowest Servo 18 position R35 P P P P P P P P P P Servo position 0 to 255 0 5mS to 2 50mS Servo 18 control R36 A B C D S S S S A Operate 0 Servo disabled 1 Servo enabled B Reverse 0 Servo normal 1 Servo reversed C Soft start control 0 Disabled 1 Enabled D Speed control 0 Disabled 1 Enabled S S Servo speed value 0 to 15 0 slowest Servo global enable register R37 X X X X X X X X X X An...

Страница 4: ...abled B Reverse 0 Servo normal 1 Servo reversed C Soft start 0 Complete 1 In progress D Movement 0 Complete 1 In progress Firmware version R18 M M M M V V V V M M Firmware major revision number 1 15 V V Firmware minor revision number 1 15 Bit A 128decimal is the operate bit which when set indicates that the servo is operational Bit B 64decimal is the reverse bit which when set indicates that posi ...

Страница 5: ...it values defined above that the value associated with the A bit is 128 so by writing this value to register 1 we can enable servo 1 If we need to enable additional functions such as the speed control D as well as the servo enable the value of this bit is added to the value written to the register i e 128 16 144 In addition we could also add a speed value of 5 that would make the total value 128 1...

Страница 6: ... SDA SCL www arduino cc RESET 3V3 5V Gnd Vin 0 1 2 3 4 5 ANALOG IN POWER P1 Raspberry Pi with speed control 18 Channel Servo Driver DS SCX18 Shield Designer Systems SV V GND 6A Max OFF ON D V 0 7 0 _ V 1 0 0 0 1 3 8 5VDC U3 U2 R3 R7 R6 CN1 D1 C2 C1 L1 C5 U1 U4 R4 R5 C7 C6 R1 R2 C4 C3 OFF ON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 5 V 3 A M a x 5 V 3 A M a x BLACK RED YELLOW GREEN ...

Страница 7: ...l 18 Channel Servo Driver DS SCX18 Shield Designer Systems SV V GND 6A Max OFF ON D V 0 7 0 _ V 1 0 0 0 1 3 8 5VDC U3 U2 R3 R7 R6 CN1 D1 C2 C1 L1 C5 U1 U4 R4 R5 C7 C6 R1 R2 C4 C3 OFF ON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 5 V 3 A M a x 5 V 3 A M a x Revision History 1 00 Release version Mechanical Specifications Units millimetres ...

Страница 8: ...Conformity Copyright 2013 by Designer Systems Ltd Apparatus name model number DS SCX18 S Manufacturer Designer Systems 11 Castle Street Truro Cornwall Conformity via Generic Standard EN61000 1 TR1 3AF United Kingdom Generic Standard EN61000 3 Description of apparatus Robotic interface peripheral Conformity criteria For use only within commercial residential and light industrial applications We cer...

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