34
Application Notes
Leader-follower application
In this application, use a PCM4 to monitor the speed of the
leader motor (Figure 15). The PCM4 isolates the leader motor
from the follower drive, and outputs a voltage proportional to the
leader motor armature voltage. The follower drive uses this
voltage reference to set the speed of the follower motor. An
optional ratio potentiometer may be used to scale the PCM4
output voltage.
(+)
Leader
Drive
A1
A2
Motor
9
8
7
(+)
(-)
TB501
PCM4
TB502
2
1
(-)
10K Ohm
(optional)
S2
S1
Follower
Drive
Figure 15. Leader-Follower Application
