Operation of the DP/PA Link and the Y Link
8-12
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
8.7.2
System changes in redundant operation
The table below shows the steps necessary to add a completely new DP/PA link or
Y link together with the underlying master system to an existing system during
operation.
Step
Activity
1
Install the new link.
2
Connect the power supply of all modules.
3
DP/PA link only
Connect the PROFIBUS-PA to the new
DP/PA coupler.
Y link only
Connect the bus connector of the
underlying DP master system to the
PROFIBUS-DP interface of the new Y
coupler.
4
Connect the bus connector of the active channel of the redundant DP master
system to the PROFIBUS-DP interface of one of the two IM 157 modules.
5
Connect the bus connector of the passive channel to the PROFIBUS-DP
interface of the other IM 157.
This procedure is summarized under “Reconfiguring hardware” in the section
entitled “System changes during operation” in the S7-400H Automation System,
High-Availability Systems manual. Here you will also find a detailed description of
the overall procedure for making a system change.
8.8
IM 157 firmware update
A firmware update is available for IM 157 as of order number
6ES7 157-0AA82-0XA0. You will require STEP 7, version V5.2 or higher.
A firmware update is not possible in the DP/PA link in redundant operation and in
the Y link.
When should you upgrade the IM 157 firmware?
You should upgrade the IM 157 to the newest firmware version after a (compatible)
enhancement of functions or after improvements to the performance.
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 ...