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11-16
Command Communications
Status/Control Word
C
E R
L
M 0 0 0 0 0 1 0 1 1 0 0 0 1 0 1 1
S 0 0 1 0 0 1 0 1 0 0 1 0 1 0 1 1
M 0 0 0 1 0 1 0 0 0 0 0 0 1 0 1 1
S 0 0 0 1 0 1 0 0 1 0 1 0 1 0 1 1
M 0 0 0 1 0 1 0 1 1 0 0 0 1 0 1 1
S 0 0 0 1 0 0 0 1 1 0 1 0 1 0 1 1
M 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 1
S 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 1
Control Word
C
E R
L
M 0 0 0 0 0 1 0 d 0 0 0 0 1 1 1 1
S 0 0 0 0 0 1 0 d 0 0 0 0 1 1 1 1
If a 0x01nn error is present, this error can be read out again as "plain
text."
T
Length
Format
Fig. 11-32: Error Output With Plain Text
Termination of the Data Exchange
In some cases, it can make sense to terminate the data exchange (the
slave sends no more data). The master can indicate the termination of the
data exchange to the slave by using the format 0xF in the control word
and setting the length, the L-Bit and the R-Bit to zero. The toggle bit must
be switched according to the previous state. The slave then terminates
the data exchange and waits for a new service.
T
Length
Format
Fig. 11-33: Termination of the Data Exchange During Fragmenting
Service Data
Data Data Data Data Data Data Data Data Data Data
3F
20
4E
33
30
?
_
N
3
0
01
0C
12
x
x
x
x
x
58
20
30
31
20
X
_
0
1
_
x
x
x
x
x
6F
63
6B
20
2C
o
c
k
_
#
x
x
x
x
x
6C
61
72
67
65
l
a
r
g
e
Service Data
Data Data Data Data Data Data Data Data Data Data
x
x
x
x
x
x
x
x
x
x
DOK-ECODR3-FL*-04VRS**-FK01-EN-P
ECODRIVE03-FL*-04VRS
30
30
20
x
x
0
0
_
x
x
x
x
x
31
32
20
42
6C
1
2
_
B
l
x
x
x
x
x
20
74
6F
6F
20
_
t
o
o
_
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
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