Power-Up Of The S5-95U With Dp Master Interface (2) - Siemens SIMATIC S5 Manual
Distributed i/o system
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S5-95U – starting ET 200
Continued from
flowchart 12-1
S5-95U registers DP slaves on the bus
S5-95U deletes addressable DP slaves
from overview diagnostics
Have all DP slaves
acknowledged?
"BF" LED goes out; data can be
exchanged between S5-95U and
distributed I/O
Figure 12-2 Power-up of the S5-95U with DP master interface (2)
Default parameter
set
Message in
operating
system datum
12-4
No
Power-up delay
Yes
timed out?
Yes
The S5-95U uses the default parameter set if it fails to find a DP parameter
set on the 32 K EEPROM (see Fig. 12-1). The settings in the default
parameter set are as follows:
Station number = 1
Baud rate = 19.2 kbaud
No DP slave parameterized
Highest active station number = 126
Operating system datum 17 of the S5-95U (absolute address 5D22
the following information on the DP parameter set:
00
= Default parameter set is valid
H
01
= DP parameter set loaded from 32 K EEPROM is valid
H
For more information on other system data in the S5-95U, see the system
manual S5-90U/S5-95U Programmable Controller.
No
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
) contains
H
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