J2 – encoder, Motor encoder interface circuit, E 6-29 – Rockwell Automation 1398-DDM-xxx ULTRA 100 Series Drives Installation Manual User Manual

Page 93

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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

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