(highest station address) and is not assigned to another device at the
same bus.
Single Master ON/OFF
Using the option »Bus autobaud ON/OFF« you can set if the ACCON-
NetLink-PRO compact searches the bus parameters and goes online
then, or the device uses the stored bus parameters when going on the
bus. »ON« or »OFF« is possible.
Single Master bus parameters
If the option »Single Master ON/OFF« is activated (»ON«), you have to
fill in the parameter fields, belonging to the subitem »Single Master bus
parameters«, correctly.
When parametrizing you have to keep in mind that with PROFIBUS all
parameters are dependent from each other, e. g. if the baudrate is
changed then all other parameters are changed, too.
With MPI all parameters are given except the baudrate. If a MPI
connection is changed from 187.5 Kbps to e. g. 12000 Kbps all other
parameters are unmodified.
Bus Profile
Baud rate
HSA
Tslot_Init
Ttr
Max. Tsdr
ACCON-NetLink-PRO compact
MPI or DP
Enter desired baudrate in Kbps. Possible
values are: 9.6; 19.2; 45.45; 93.75; 187.5;
500; 1500; 3000; 6000 and 12000.
The highest station address is entered here.
With MPI normally »31« and with PROFIBUS
»126«. Values which are not equal to the
default values can be used. All stations have
to be adjusted equally.
Using MPI this value is always »415«. With
PROFIBUS the respective value has to be
taken from the parametrization of the bus
master (normally the CPU).
Using MPI this value is always »9984«. With
PROFIBUS the respective value has to be
taken from the parametrization of the bus
master (normally the CPU).
Using MPI this value is always »400«. With
39
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