Rockwell Automation 1769-ADN Compact I/O 1769-ADN DeviceNet Adapter User Manual

Page 175

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Publication 1769-UM001B-EN-P - October 2002

Explicit Messaging Application Examples B-17

The following ladder logic program is an example of the logic needed
to initiate an explicit message to the scanner/adapter and how to
obtain the reply. This logic is specifically for the Get 1769-ADN Status
message. Assume the 1747-SDN scanner is in slot 3 of the processor
chassis.

Data Table File N11 (Shown in Hexadecimal Radix)

Offset

0

1

2

3

4

5

6

7

8

9

N11:0

101

6

E13

1

1

5

0

0

0

0

N11:10

0

0

0

0

0

0

0

0

0

0

N11:20

0

0

0

0

0

0

0

0

0

0

N11:30

0

0

0

0

0

0

0

0

0

0

N11:40

4

0

0

0

0

0

0

0

0

0

N11:50

101

2

8E13

5

0

0

0

0

0

0

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