Rockwell Automation 1336T ControlNet Frn1.02 Rev 1.5 - Manual (Page 88)

4–46 Using Unscheduled Messaging
Publication 1336 FORCE–5.18 ––March, 1999
If an error has occurred in the PMW, word 2 of the PMR returns a
value of -32507.
Example
In this example, the PMW defined a User Text String Read request in
word 2 of the PMW with a value of 261. The PMR responds by
returning a value of 261 in word 2, indicating a successful read. In
addition, it returned the user text string in data words 4 through 11
stored in the drive. The characters of each word are returned in
reverse order. The user text string should read Press 8 Level 2.
1 0
N7:10
2 3 4 5 6 7 8 9
PLC MSG
Write File
PLC MSG
Read File
Data Format
0
0 21072
3
0
261
261 21317 8275 8248 17740 17750 8268
12832
N7:90 00\00 rP 00\00 01\05 se s 8 el ev L
N7:100 2
N7:20 \00\00 \00\03 \01\05
N7:20
N7:100
ASCII Display Values
User Text String Read
(continued)