Emc Directives; Overview; Rf300 - Siemens SIMATIC RF300 System Manual

RF300 system planning

4.7 EMC Directives

MDS D160
The housing of the MDS D160 is made of PPA (polyphthalamide). The following table
provides an overview of the chemical resistance.
Table 4- 38
Chemical compound
Mineral lubricants
Aliphatic hydrocarbons
Aromatic hydrocarbons
Petroleum spirit
Weak mineral acids
Strong mineral acids
Weak organic acids
Strong organic acids
Oxidizing acids
Weak alkalis
Strong alkalis
Trichlorethylene
Acetone
Alcohol
Abbreviations
■
◪
□
MDS D428 @ fehlt noch
4.7 EMC Directives
4.7.1

Overview

These EMC Guidelines answer the following questions:
● Why are EMC guidelines necessary?
● What types of external interference have an impact on the system?
● How can interference be prevented?
● How can interference be eliminated?
● Which standards relate to EMC?
● Examples of interference-free plant design
86
Chemical resistance of the MDS D160
Resistant
Limited resistance
Not resistant
System Manual, 11/2009 - Zwischenstand 17.09.2009, A5E01642529-04
Resistance
■
■
■
■
■
◪
■
□
□
■
■
■
■
■
SIMATIC RF300