Installing The Victor Spx; Wiring The Output; Wiring The Input - Vex Robotics Victor SPX User Manual

217-9191-751
Victor SPX User Guide
The power input & outputs of the Victor SPX are indicated by markings on the housing as well as wire color
as shown in the table below. All power input/output wires on the Victor SPX are 600 strand minimum,
12AWG copper wire.
Wire
Positive Input
Input Ground
Motor Positive
Motor Negative
CAN-High / PWM Signal
CAN-Low / PWM Ground

Installing the Victor SPX

Wiring a speed controller has never been easier than with the Victor SPX. By following a few quick steps,
your robot will be up and running in no time.

Wiring the Output

Connect the white wire to the M+ side of the motor and the green wire to the M- side of the motor 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 each motor will rotate
the same direction when given the same CAN bus command or PWM signal. Reversing the output wire
connections will result in the motor rotating the opposite direction when given the same CAN bus command
or PWM signal.
In many cases, the output leads of the Victor SPX will not be long enough to reach the motor it is controlling,
so an extension cable will be required. Extension cables should be made using appropriately sized wire and
connected using properly crimped connectors.
Note: For the most robust connection, it is highly recommended that all connectors are crimped and
soldered.

Wiring the Input

To power the Victor SPX, connect the positive input (red) wire to the selected
positive terminal of the Power Distribution Panel (PDP), and the input ground
(black) wire to the corresponding ground terminal. In many cases, the Victor
SPX may be wired directly to the robot's PDP without extension cables – this
is preferable since it reduces the number of electrical connections. If the
Case Marking Wire Color
V+
GND
M+
M-
None
None
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Copyright 2018, VEX Robotics Inc., Cross the Road Electronics
Updated: 2021-11-29
Red 5.5in [139.7mm] ± 0.25in [6.35mm]
Black 5.5in [139.7mm] ± 0.25in [6.35mm]
White 5.5in [139.7mm] ± 0.25in [6.35mm]
Green 5.5in [139.7mm] ± 0.25in [6.35mm]
Yellow 12.0in[304.8mm] ± 0.25in [6.35mm]
Green 12.0in[304.8mm] ± 0.25in [6.35mm]
Wire Length
Input
Bat +
GND
Input +
Bat GND
4