4 Redundant 24 V DC power supply
Integration of a SITOP 24V power supply in PCS 7
Entry ID: 10948108, V3.2, 01/2019
Siemens AG
2019 All rights reserved
In the example, small squares are configured as LED lamps to represent the
status of the assemblies in addition to the block icons. With the squares, the
background color is dynamized and linked to the process values of the
monitoring blocks.
• OUT#Value = 0 -> green
• OUT#Value = 1 -> red
4.6 Runtime
After starting the OS runtime and switching to the corresponding technological
hierarchy, it is now possible to monitor the status of the redundant power supply on
the OS. The system issues a message if the threshold voltage is fallen short of or
one of the power supplies fails.
Figure 4-9
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