Siemens SIMATIC RF300 System Manual page 108

Planning the RF300 system
4.6 Guidelines for electromagnetic compatibility (EMC)
Explanation of the rating
++++
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++
+
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4.5.2.7 Polyvinyl chloride (PVC)
Table 4-74
Substance
Salt water
Sugared water
Acetic acid, w.
Sodium carbonate, w.
Ethyl alcohol, w.
Ethylene glycol
Fuel B
(acc. to ISO 1817)
Human sweat
Explanation of the rating
++++
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+
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4.6 Guidelines for electromagnetic compatibility (EMC)
4.6.1 Overview
These EMC directives answer the following questions:
• Why are EMC directives necessary?
• What types of external interference have an impact on the system?
• How can interference be prevented?
108
Resistant
Practically resistant
Conditionally resistant
Less resistant
Not resistant
Chemical resistance - polyvinyl chloride (PVC)
Resistant
Practically resistant
Conditionally resistant
Less resistant
Not resistant
Test conditions
Concentration [%] Temperature [°C]
5%
10%
5%
5%
60%
50%
-
-
System Manual, 02/2021, C79000-G8976-C345-09
Rating
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- ++++
- ++++
- ++++
- ++++
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- ++++
SIMATIC RF300