J2 – encoder, Motor encoder interface circuit, E 6-29 – Rockwell Automation 1398-DDM-xxx ULTRA 100 Series Drives Installation Manual User Manual
Page 93
Publication 1398-5.2 – PDF 1997
Interfaces
6-29
J2 – Encoder
Cables are available in various lengths for connecting between J1 and
a suitable controller. Appendix A, “Options and Accessories” lists the
cables. “J2 Terminal Strip/Breakout Board” on page 6-30 details the
optional signal extension kit.
Pin & Sig-
nal
Description
Pin & Sig-
nal
Description
1 EPWR
Encoder Power
11 I (+)
Motor Encoder
Input
Channel I(+)
2 ECOM
Encoder Common
12 I (-)
Motor Encoder
Input
Channel I(-)
3 EPWR
Encoder Power
13 A
Hall Effect A
4 ECOM
Encoder Common
14 B
Hall Effect B
5 EPWR
Encoder Power
15 C
Hall Effect C
6 ECOM
Encoder Common
16 ABS
Absolute Position
7 A (+)
Motor Encoder
Input
Channel A(+)
17
Reserved
8 A (-)
Motor Encoder
Input
Channel A(-)
18
Reserved
9 B (+)
Motor Encoder
Input
Channel B(+)
19 TS(+)
Thermal Switch (+)
10 B (-)
Motor Encoder
Input
Channel B(-)
20 TS(-)
Thermal Switch (-)
pin 10
pin 11
pin 20
pin 1
!
Intro
ATTENTION: Ensure that encoder signals are connected
properly. Incorrect connection of encoder signals will result
in improper rotor position and/or incorrect commutation.
Figure 6.36
Motor Encoder Interface Circuit
-
+
AM26LS33
AM(-)
1K
220pF
AM
220pF
AM(+)
1K
200
.01uF
Drive
J2