Rockwell-automation 1336T ControlNet Frn1.02 Rev 1.5 User Manual Page 59

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4–17Using Unscheduled Messaging
Publication 1336 FORCE–5.18 ––March, 1999
This example shows the response message N7:90 through N7:112 in
both binary and ASCII. Note the ASCII information beginning with
N7:99. The parameter name characters return in reverse order for
each word. N7:99 has the ASCII value of eV. To read this, invert the
word to read Ve. The next word (space)l, inverted gives you
l(space). These words, along with the following two words, form the
word “Vel_” The parameter name Vel Ref1Hi can be seen in words
10 through 17 of the response message. In addition, word 23 is also
returned in this format. This word provides the units the parameter is
defined in, which in this example is “RPM”.
Word 18 contains the file, group, and element which are used to
reference the parameter.
Words 19 through 21 contain the minimum, maximum, and default
values of this parameter.
10
N7:10
23456789
N7:90
PLC MSG
Write File
PLC MSG
Read File
Data Format
101
101 2801
3
0
768
768 4364 1755 4096 10 0 25942
N7:100
N7:110
8294 8241
8269
8300
0
25938
2562
26952 8224 8224 548 -32767 32767
N7:90
\00\0E \0A\F1\00\00 \05\00 \11\0E \06\03 \10\00 \00\0A \00\00 eV
N7:100
N7:110
1f iH
(sp)M
(sp)I
\00\00
eR
PR
\025 C\01 \7F\FF 04 00 \13 0
➀➀➀➀➀ ➀➀
➀➀➀➀➀➀➀➀
➀➀➀
ASCII Display Values
These values vary depending on parameters and products.
Parameter Read Full
(continued)
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