Wiring
4-9
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
4.2.3
Wiring the DP/PA link for redundant operation
DP/PA link connections
The following figure shows all connections that must be established to and from
the DP/PA link for redundant operation:
Supply voltage and
PE conductor
24V DC supply
voltage for IM 157
S7-400H
24V DC power supply for DP/PA coupler
(optional external configuration)
PROFIBUS-PA
Figure 4-6
DP/PA link connections for redundancy operation
Power supply
In the DP/PA link, power supplies are required for both IM 157 and for each DP/PA
coupler.
PROFIBUS-DP
In the DP/PA link, PROFIBUS-DP connections to S7-400H are required for both
IM 157.
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 ...