Rockwell Automation 1756-RIO ControlLogix Remote I/O Communication Interface Module User Manual User Manual

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Publication 1756-UM534B-EN-P - November 2010

Appendix A Scanner Mode I/O Map

Discrete Output Data Offset-Write

Discrete Output Data Table

Offset (Words)

Bit

Description

0 (Control)

0

Inhibit rack that starts first quarter (I/O group 0…1)

1

Inhibit rack that starts second quarter (I/O group 2…3)

2

Inhibit rack that starts third quarter (I/O group 4…5

3

Inhibit rack that starts fourth quarter (I/O group 6…7)

4

Reset rack that starts at first quarter (I/O group 0…1)

5

Reset rack that starts at second quarter (I/O group 2…3)

6

Reset rack that starts at third quarter (I/O group 4…5)

7

Reset rack that starts at fourth quarter (I/O group 6…7)

8…15

Reserved

1 (Control)

0…15

Reserved (pad for 32-bit alignment)

2…9 (Output)

0…15

Discrete output data

Discrete Output Data Offset - Write

Write

Offset 0

Control Word

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Offset 2…9

Ouput Words

8 Words of Discrete Ouptut Data

Offset 1

Control Word

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Reserved (Pad for 32-bit Alignment)

Reserved

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Inhibit R

ack

1st 1/4 par

tial rack

Gr

oup 0-1

Inhibit R

ack

2nd 1/4 par

tial rack

Gr

oup 2-3

Inhibit R

ack

3r

d 1/4 par

tial rack

Gr

oup 4-5

Inhibit R

ack

4th 1/4 par

tial rack

Gr

oup 6-7

Reset R

a

ck

1st 1/4 par

tial rack

Gr

oup 0-1

Reset R

a

ck

2nd 1/4 par

tial rack

Gr

oup 2-3

Reset R

a

ck

3r

d 1/4 par

tial rack

Gr

oup 4-5

Reset R

a

ck

4th 1/4 par

tial rack

Gr

oup 6-7

44819

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