Vex Robotics Victor SPX User Manual Download Page 11

217-9191-751 

Victor SPX User Guide 

vexpro.com     ctr-electronics.com

 

Copyright 2018, VEX Robotics Inc., Cross the Road Electronics 

Updated: 2021-11-29 

11 

Blink Codes 

Blink Codes During Calibration

 

Status LEDs Blink Code 

Victor SPX State 

Flashing 

Red

/

Green

 

Calibration Mode 

Blinking 

Green

 

Successful Calibration 

Blinking 

Red

 

Failed Calibration 

 

Blink Codes During Normal Operation 

LEDs 

Colors 

Victor SPX State 

Both 

Blinking 

Green

 

Forward throttle is applied. Blink rate is 

proportional to Duty Cycle 

Both 

Blinking 

Red

 

Reverse throttle is applied. Blink rate is 

proportional to Duty Cycle 

None 

None 

No Power is being applied to Talon SRX 

LEDs Alternate

Off/

Orange

 

CAN Bus detected, robot disabled 

LEDs Alternate

1

 

Off/Slow 

Red

 

CAN/PWM is not detected 

LEDs Alternate

Off/Fast 

Red

 

Fault Detected 

LEDs Alternate

Red

 /

 Orange

 

Damaged Hardware 

LEDs Strobe “towards”  (M+)

2

 

Off/

 Red

 

Forward Limit Switch or Forward Soft 

Limit 

LEDs Strobe “towards”  (M-)

2

 

Off/

 Red

 

Reverse Limit Switch or Reverse Soft Limit 

LED1 Only 

Green

 /

 Orange

 

In Bootloader 

 

B/C CAL Button Blink Codes

 

B/C CAL Button Color 

Victor SPX State 

Solid 

Red

 

Brake Mode 

Off 

Coast Mode 

 

1)

 

LEDs alternate – Status LEDs are different colors at all times. The (2X) LEDs will swap colors when 
blinking. 

2)

 

(1X) Status LED will blink followed shortly by the other with a long pause before repeating. The 
“direction” of the blink indicates the Talon SRX’s current state. 

 

 

 

Summary of Contents for Victor SPX

Page 1: ...217 9191 751 Victor SPX User Guide vexpro com ctr electronics com Copyright 2018 VEX Robotics Inc Cross the Road Electronics Updated 2021 11 29 1 Victor SPX User Guide...

Page 2: ...PX 4 Wiring the Output 4 Wiring the Input 4 Controlling the Victor SPX 5 CAN bus 5 PWM 6 Mounting the Victor SPX 7 Strain Relief 8 Applying Power for the First Time 8 Additional Information 9 Brake Co...

Page 3: ...num heatsink create a lightweight motor controller while maintaining the full sealed fan less design that FRC teams expect This combined with a 3 sq in footprint a variety of built in mounting options...

Page 4: ...using tightly crimped connectors If the motor s inputs are not marked the polarity of the input may be chosen by the user Be sure to connect the output wires to motors with consistent polarity so eac...

Page 5: ...CAN bus To make this easier for teams we ve included a standard 3 pin 0 1 pitch connector on each of the Green Yellow twisted pairs One set of wires has a female connector and the other has a male co...

Page 6: ...he PWM period is how fast the robot controller can send a new PWM pulse The amount of time between the rising edge of one PWM pulse to the next PWM pulse should not be less than 2 9ms or greater than...

Page 7: ...a standard male female 3 wire extension cable should be used these extension cables are available from VEX Robotics as well as many other online retailers Note The Victor SPX s default calibration pro...

Page 8: ...ef All electrical connections should be isolated from any pulling or tugging that may result in a poor connection Once the Victor SPX is fully wired zip ties should be used to ensure that all electric...

Page 9: ...rake mode does not have any effect when the motor is not rotating but can make a large difference in robot behavior when used on a motor attached to a high reduction gearbox Brake mode does not impact...

Page 10: ...idly blink red green 2 While holding the button move the joystick or other input signal to full forward then to full reverse This can be done multiple times The Victor SPX is looking for max min PWM v...

Page 11: ...Power is being applied to Talon SRX LEDs Alternate1 Off Orange CAN Bus detected robot disabled LEDs Alternate1 Off Slow Red CAN PWM is not detected LEDs Alternate1 Off Fast Red Fault Detected LEDs Al...

Page 12: ...y cycle After the motor controller returned to room temperature the test was re run at 100 duty cycle During both tests temperature data was recorded at regular intervals The results are plotted below...

Page 13: ...ches it is a good idea to use a fan to cool the Victor SPX Q What kind of electrical connectors should I use to connect wires to the Victor SPX A The choice of electrical connectors is left to the use...

Page 14: ...r termination resistor at each of the two ends Each module can tap into the primary bus harness crimp connector soldered etc with a cable stub maximum length of one foot In the automotive industry thi...

Page 15: ...FRC team This topology may be used when performing basic testing on a bench setup with a small network few modules and short cable travel However this use case should not be construed as evidence guar...

Page 16: ...ENSURE THAT THE WIRES CONNECTED TO THE OUTPUT ARE NOT SHORTED AND THE INPUT IS NOT REVERSED ALSO VERIFY THAT NEITHER OF THE VICTOR SPX S MOTOR OUTPUT LEADS ARE SHORTED TO THE CHASSIS OF THE MOTOR OR...

Page 17: ...ged This condition is typically caused by a short circuit on the output or there has been an over current condition that caused a failure Check the following 1 Ensure the Status LEDs are changing betw...

Page 18: ...Check the following 1 Disconnect the output wires 2 Ensure the Status LEDs on the Victor SPX do not illuminate at any joystick position 3 Check the input at the Victor SPX BATTERY to GND with a voltme...

Page 19: ...pment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no...

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