Rockwell PowerFlex 70, User Manual

Page: 28 / 170

1-16 Installation/Wiring
Encoder Interface (Enhanced Control Only)
The PowerFlex Encoder Interface can source 5 or 12 volt power and
accept 5 or 12 volt single ended differential inputs.
Table 1.J Terminal Description
Figure 1.11 Jumper Settings
Figure 1.12 Sample Encoder Wiring
No. Signal Description
1 5-12V Power
Internal power source 250 mA (isolated).
2 Power Return
3 Encoder B (NOT)
Single channel or quadrature B input.
4 Encoder B
5 Encoder A (NOT)
Single channel or quadrature A input.
6 Encoder A
6 1
= 12V
= 5V
= 12V
= 5V
Receive Voltage
Send Voltage
I/O Connection Example I/O Connection Example
Encoder
Power –
Internal Drive
Power
Internal (drive)
12V DC,
250mA
Encoder
Power –
External
Power
Source
Encoder
Signal –
Single-Ended,
Dual Channel Encoder
Signal –
Differential,
Dual
Channel
Common
+12V DC
(250 mA)
6
5
4
3
2
1
to SHLD
+ Common
External
Power
Supply
to
SHLD
A NOT
A
B
B NOT
to SHLD
to Power Supply
Common
6
5
4
3
2
1
to SHLD
6
5
4
3
2
1
A NOT
B
A
B NOT