Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
Saia-Burgess Controls AG
Programming
General guidance
2-17
2
2.9.1 Overvoltage protection for large distances or external lines
When laying lines outside buildings or across large distances, suitable overvolt-
age measures must be implemented. These measures are especially crucial for
bus lines.
Lines laid outdoors must have shielding with an appropriate power line capacity
and must be earthed at both ends.
The overvoltage conductor should be installed at the control cabinet entry point.
2.9.2 Addressing inputs and outputs (I/O)
(media mapping). An overview of the connections can be found starting in sec-
tion 4.
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