Owner's manual

PowerFlex 700L Frame 1X Drive Installation Instructions – Publication 20L-IN013A-EN-P – June 2009
32
Figure 14 Sample Encoder Wiring
I/O Connection Example
Encoder Power – Internal Drive Power
Internal (drive) 12V DC, 250 mA
(1)
(1)
SHLD connection is on the drive chassis (item 4 in Figure 6 on page 19)
Encoder Signal – Single-Ended, Dual Channel
(2)
(2)
Example applies to 20B-ENC-1 only.
Encoder Power – External Power Source
Encoder Signal – Differential, Dual Channel
Common
+12V DC
(250 mA)
1
2
3
4
5
6
7
8
to SHLD
(1)
B
B NOT
A NOT
A
Z
Z NOT
to Power Supply
Common
1
2
3
4
5
6
7
8
to SHLD
(1)
+
Common
External
Power
Supply
to SHLD
(1)
1
2
3
4
5
6
7
8
B
Z
A NOT
B NOT
Z NOT
A
to SHLD
(1)