35
Application Notes
P C M 4
P C M 4
Motor
B
A2
A1
S 2
S1
Drive B
A2
A1
S 2
S1
Drive A
RATIO
POT B
10K OHM
S 3
S 3
(no connection)
(no connection)
RATIO
POT A
10K OHM
2
1
7
8
6
8
7
1
2
+
-
A1
A2
Motor
A
Motor
B
RATIO
POT B
10K OHM
RATIO
POT A
10K OHM
S3
(no connection)
S2
1
2
+
-
+
+
-
-
6
8
7
SIGNAL
INPUT
COMMON
S1
Drive A
PCM4
1
2
8
7
PCM4
A1
A2
S3
(no connection)
S2
S1
Drive B
Figure 20. PCM4 Speed Ratio Application