Guidelines for Handling Electrostatic
A-3
SIMATIC Rack PC 840 Manual
A5E00104826-03
A.2
Electrostatic Charging
Charging
Anyone who is not conductively connected to the electrical potential of their
surroundings can be electrostatically charged.
The maximum electrostatic voltage values which an operator can be charged with
when contacting the materials stated in the illustration are shown in Fig. A-1.
These values correspond to the specifications of IEC 801-2.
Voltage in kV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(kV)
5 10 20 30 40 50 60 70 80 90 100
rel. humidity
in %
1
3
1 synthetic material
2 wool
3 antistatic material, for example,
wood or concrete
2
Figure A-1 Electrostatic Voltages which an Operator Can Be Charged with
Содержание SIMATIC Box PC 840
Страница 8: ...Preface viii SIMATIC Rack PC 840 Manual A5E00104826 03 ...
Страница 179: ...B 1 SIMATIC Rack PC 840 Manual A5E00104826 03 Technical Specifications B ...
Страница 208: ...Glossary Glossary 22 SIMATIC Rack PC 840 Manual A5E00104826 03 ...
Страница 212: ...Index Index 4 SIMATIC Rack PC 840 Manual A5E00104826 03 ...