MMP SA-2550A
Page 11 of
24
Midwest Motion Products
DESIGN, MANUFACTURING & DISTRIBUTION - MOTION CONTROL EQUIPMENT
email:
Running a Brushed Motor with a Brushless Drive
Follow the below steps to configure a SA-2550A to run a brushed, DC motor.
Switch Setting
Set the 120°/60° PHASING dipswitch to OFF for 60° phasing. For the SA-2550A this is SW 1-10. The OFF position is toward the
outside of the servo amplifier as shown in the picture below.
Note: Make sure to disconnect all Hall sensor inputs.
Figure 1. 120°/60° Phasing Switch Example
Motor Connections
With the 120°/60° PHASING switch OFF, the motor connections to the servo drive will be to the MOTOR A and MOTOR B
terminals only.
Terminal
Connection
MOTOR A
Negative (-)
MOTOR B
Positive (+)
MOTOR C
No Connection
Table 1. Brushed Motor Connections. Note that the above assumes the polarity of the 10V @3mA and REF leads for the
command signal to be opposite. Consult the second table on page 12 for further details.
MIDWEST M
O
TION
P
RODUCTS
