Operation of the DP/PA Link and the Y Link
8-2
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
Table 8-1
Configured start-up characteristics
Configured start-up
characteristics
The output data is issued by the link if...
Start-up when the desired layout
0
actual layout
All slaves are parameterized and configured, or
The startup delay has expired and fewer slaves
were parameterized/configured than planned.
Start-up when the desired layout
= actual layout
All the slaves are parameterized and configured.
Note:
If not all slaves are configured or parameterized within
the power-up delay time, the link automatically repeats
start-up.
The status of the start-up delay can be evaluated in the ”Status Message”
diagnostic block of the diagnostic frame.
8.2
Start-up characteristics
Prerequisites for starting up the IM 157
A valid PROFIBUS address must be set on the IM 157.
The DP master on the higher level PROFIBUS-DP must be in operation.
The link must be configured correctly.
The further behavior of the DP/PA link depends on whether it is in redundant or
non-redundant operation.
8.2.1
Start-up behavior of the DP/PA link in non-redundant operation
The flow chart below shows the start-up behavior of the IM 157 after the power is
switched on.
Содержание Simatic 6ES7 157-0AC80-0 A0 Series
Страница 14: ...Contents xiv DP PA Link and Y Link Bus Couplings A5E00193841 01 1 ...
Страница 42: ...Installation 3 12 DP PA Link and Y Link Bus Couplings A5E00193841 01 1 ...
Страница 70: ...Commissioning the DP PA Link 6 12 DP PA Link and Y Link Bus Couplings A5E00193841 01 1 ...
Страница 162: ...Technical Specifications B 40 DP PA Link and Y Link Bus Couplings A5E00193841 01 1 ...
Страница 170: ...Order Numbers and Accessories D 4 DP PA Link and Y Link Bus Couplings A5E00193841 01 1 ...
Страница 178: ...Glossary Glossary 8 DP PA Link and Y Link Bus Couplings A5E00193841 01 1 ...
Страница 182: ...Index Index 4 DP PA Link and Y Link Bus Couplings A5E00193841 01 1 ...