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5 Operation
5.4 Configuration modes
Structure
switch
posi-
switch
tion
S84
Serial interface (slot 4)
0
without
[1]
with serial interface, with lock via RC
1)
2
with serial interface, with lock via CB
1)
3
with serial interface, without lock
1)
S85
Data transfer
Reception
0
[1]
Configuring
2
Configuring
3
Process var.
4
Status register CB
5
S86
Data transfer rate
[0}
1
2
3
4
5
S87
Cross parity
[0]
even
1
odd
S88
Longitudinal parity position
[0]
without
1
after
2
before ETX
S89
Longitudinal parity
[0]
normal
1
inverted
S90
Station number
[0]
0
to
to
125
125
S91
Time monitoring CB (ES)
[0]
without time monitoring
1 to
1 s to
25
25 s
S92
see structure switch S33 following
Table 5-5
Structure switches
172
as of software version --C1
Control signal
by DR21
CB
/CB
DI
ES
nothing
only
CB
DI
CB
∨CB
DI
ES
CB
∧CB
DI
ES
∨CB
DI
ES
CB
∧CB
DI
ES
9600 bps
4800 bps
2400 bps
1200 bps
600 bps
300 bps
ETX
Function
Source for
w
y
E
N
w
EA
yN
w
y
ES
ES
w
y
EA
N
Manual
SIPART DR21
C73000-B7476-C143-08
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