Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX User Manual

Page 96

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5-14

Using the L Option

Requirements for the Contact
Closure Interface Board (L7E)

Figure 5.7 shows the wiring diagram for the L7E Option board.

Figure 5.7
L7E Option Board Wiring Diagram

Circuits used with the L7E Option board must be able to operate with
low = true logic. Reed type input devices are recommended.

19

20

21

22

23

24

25

26

27

28

29

30

31

32

A

A

ENC
RET

ENC
12V

33

34

35

36

Typical

Typical

Isolated
+5V

Isolated
Ground

0.1

µf

0.1

µf

0.1

µf

10.7k

470

470

12V

681

173

576

5V

J1/J2

IGND

10.7k

TB3

Current

Limit

Feedback

0.5A

0.001

B

B

2200pf

255

In this state:

External circuits must:

low

Be capable of a sinking current of approximately 10 mA to pull
the terminal voltage low to 3.0V DC or less.

high

Let the terminal voltage rise to a voltage of 4.0 – 5.0V DC.

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