DC Brush Motor Connections

The configuration shown in DC Brush Motor Configuration is an example of a typical DC brush motor connection. Refer to DC Brush Motor Phasing for information on motor phasing.

When you connect the motor between amplifier phases A and C, it will produce twice the nominal bus voltage across the motor. This is because phase C will generate the same voltage as phase A but with opposite polarity. To generate the nominal bus voltage, connect the motor between Phase A and RT. RT is the 0 V return path for the motor power supply.

Use the lowest voltage configuration possible to minimize heat generation in the amplifier.

Figure: DC Brush Motor Configuration

Figure: DC Brush Motor Configuration

Table: DC Brush Voltage Output Configuration

Connection

XL5e 20-VB4

XL5e10-VB4

XL5e10-VB5

XL5e10-VB6

A to C

80 V

80 V

120 V

160 V

A to RT

40 V

40 V

60 V

80 V

Table: Wire Colors for Aerotech-Supplied DC Brush Motor Cables

Pin

Wire Color Set 1(1)

Wire Color Set 2

Wire Color Set 3

Green & White & Shield (2)

Green/Yellow & Shield

Green/Yellow & Shield

A

Red & Orange

Red

Red & Orange

C

Yellow & Blue

Black

 Yellow & Blue

(1) Wire Color Set #1 is the typical wire set used by Aerotech.

(2) “&” (Red & Orange) indicates two wires; “ / ” (Green/White) indicates a single wire.