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READ
THREE REAL VALUES FROM THE ACTUAL BATCH or
THREE REAL VALUES FROM THE LAST BATCH
========================================================
Byte
Discription
PLC ===> sends
PLC <=== receives
actual
last
value
value
1
byte for synchronization
55h
55h
55h
2
for participants
00h
00h
00h
(for use in future)
3
order byte
- read 3 real values
13h
14h
13h/14h
4
fillernumber xxh
xxh
xxh
5
low
actual value
xxh
xxh
xxh
6
middle
filler number
xxh
xxh
xxh
7
high
xxh
xxh
xxh
8
low
actual value
xxh
xxh
xxh
9
middle
filler 1
xxh
xxh
xxh
10
high
xxh
xxh
xxh
11
low
actual value
xxh
xxh
xxh
12
middle
filler 2
xxh
xxh
xxh
13
high
xxh
xxh
xxh
14
00h
00h
00h
15
00h
00h
00h
16
block check
xxh
xxh
xxh
(XOR from 1 to 15)
xx = depending on information