Siemens SIMATIC S5-115U User Manual page 480

Simatic s5 series cpu 941-7ub11 cpu 942-7ub11 cpu 943-7ub11 and cpu 943-7ub21 cpu 944-7ub11 and cpu 944-7ub21
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Communications Capabilities
Example of How to Solve an Initiation Conflict
Transmitter
CPU 944
with 3964R line
procedure
High priority
STX (02
)
H
1st char.
.
.
.
nth char.
DLE (10
)
H
ETX (03
)
H
BCC
DLE (10
)
H
Initializing the Parameter Set
The parameters required for data interchange are initialized in the parameter set. The location of
the parameter set is specified in system data word 48 (or 48 and 49) (see Table 12-14). Refer to
Table 12-17 for permissible values and defaults.
Note
The default values are used only when the parameter set was not defined or the
parameters could not be interpreted.
12-46
Receiver
Low priority
STX (02
)
H
DLE (10
)
H
DLE (10
)
H
STX (02
)
H
S5-115U Manual
EWA 4NEB 811 6130-02b

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