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AX2500/2850 Motor Controller User’s Manual 179
Wire Dimensions
For high current applications, it is possible that the controller may heat-up faster and to a
higher temperature than can be dissipated by the heatsink enclosure using natural convec-
tion alone.
In these applications, you should ensure that air flow exists to remove the heat from the
heat sink. In the most extreme use, you should consider using external and fan to circulate
air around the controller.
Alternatively, you may mount the controller so that its bottom area is in contact with large
metallic parts of the robot’s body. This will allow some of the controller’s heat to dissipate
through conduction to additional metal mass, and therefore remain cooler for longer peri-
ods of time. Apply thermal grease between the controller’s bottom and the robot’s chassis
to ensure the best thermal conduction.
Wire Dimensions
A total of eight heavy gauge wires, and two thin wires are present at the back of the con-
troller. Their length and dimension is shown in Table 29 below.
Weight
Controller weight is 3.3 lbs (1500g)
TABLE 29. AX2500/2850 wire identification and dimensions
Wire Gauge Outside Diameter Color Length
Motor1 Battery+ AWG8 0.26” (6.6mm) Red 17”(43mm)
Motor1 Battery- AWG8 0.26” (6.6mm) Black 17”(43mm)
Motor2 Battery+ AWG8 0.26” (6.6mm) Red 17”(43mm)
Motor2 Battery- AWG8 0.26” (6.6mm) Black 17”(43mm)
Motor1 Terminal+ AWG8 0.26” (6.6mm) White 17”(43mm)
Motor1 Terminal- AWG8 0.26” (6.6mm) Green 17”(43mm)
Motor2 Terminal+ AWG8 0.26” (6.6mm) White 17”(43mm)
Motor2 Terminal- AWG8 0.26” (6.6mm) Green 17”(43mm)
Power Control or
Backup Controller
Battery
AWG22 0.07” (1.8mm) Yellow 17”(43mm)
Controller Battery- AWG22 0.07” (1.8mm) Black 17”(43mm)