4-1
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
Wiring
Overview of contents
This section contains general information on what to watch out for when you wire
the described modules and discusses the connections you will require.
How to wire the individual connections is described in subsections 4.3 to 4.5.
Section
Topic
Page
4.1
Electrical isolation and grounding
4.2
Connections
4.3
Connecting the power supply
4.4
Connecting PROFIBUS-DP
4.5
Connecting PROFIBUS-PA
4.1
Electrical isolation and grounding
Introduction
You can wire the 24V power supply for the described modules as a grounded or
ungrounded configuration, depending on the requirements of your system
configuration.
Features of the IM 157
The S7 backplane bus and the 24V power supply are electrically connected
The PROFIBUS-DP interface is electrically isolated from the 24V power supply
and the S7 backplane bus
Features of the DP/PA coupler
PROFIBUS-DP and PROFIBUS-PA are electrically isolated from the 24V power
supply of the DP/PA coupler
PROFIBUS-DP and PROFIBUS-PA are electrically isolated from each other
4
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 ...