
Rockwell Automation Publication PFLEX-AP009A-EN-P - September 2012 121
Drive Comparisons Chapter 1
Table 23 - Sample Encoder Wiring
I/O Connection Example
Encoder Power –
(1)
Internal Drive Power
Internal (drive) +5/12-15V DC,
200 mA
(1) Shield connection is on the drive Control EMI Shield. See Digital Encoder Terminal Block Location on page 120.
Encoder Power –External
Power Source
Encoder Signal –Single-Ended,
Dual Channel
Encoder Signal –Differential,
Dual Channel
Common
+5/12-15V DC
(200 mA)
A+
A-
B+
B-
Z+
Z-
COM
+V
to Shield
(1)
+
Common
External
Power
Supply
to
Shield
(1)
A+
A-
B+
B-
Z+
Z-
COM
+V
B
B NOT
A NOT
A
Z
Z NOT
to Power
Supply Common
A+
A-
B+
B-
Z+
Z-
COM
+V
to Shield
(1)
B
B NOT
A NOT
A
Z
Z NOT
to Shield
(1)
A+
A-
B+
B-
Z+
Z-
COM
+V
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