Rockwell Automation 1771-ID16 SERIES B Install Instr ac/dc (120V)Isolated Input User Manual

Page 5

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Filter Time Jumpers

E1 = Jumper for inputs 00 through 07

E2 = Jumper for inputs 10 through 17

NORM

NORM

FAST

FAST

CH0-7

CH10-17

E1

E2

10557ĆI

ac/dc (120V) Isolated Input Module

5

Publication 1771-IN070B-EN-P - August 2002

To set the filtering time, proceed as follows:

1. Remove the side covers from the module circuit board by

removing the four screws securing the covers to the module and
remove the circuit board.

2. Position the jumpers as required to provide the filter time you

require (see below). Use your fingers to pull the jumper up and
position over the 2 pins corresponding to your selection (Fast or
Norm).

Setting the Filter Time Jumpers

Jumper Position

Time Constant (ms)

Fast (factory default)

9.0 (ac/dc)

Norm

18.0 (ac only)

3. Reinstall the covers on the module circuit board and secure with 4

screws.

Table A

Minimum and Maximum Filter Times

Input

Voltage

Filter Time

(msec)

Off to On (ms)

Minimum

Maximum Typical

On to Off (ms)

Minimum Maximum Typical

ac

9.0

0.5

7.0

2.0

7.0

33

20

ac

18.0

0.5

8.1

2.0

14.0

42

29

dc

9.0

0.7

2.2

1.3

8.3

25

13

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