Siemens PANEL PC 877 用户手册

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Appendix 
 
A.1 Certificates and guidelines 
SIMATIC Panel PC 877 
Operating instructions, Release 07/2006, A5E00877780-01 
A-5
 
A.1.3 
Electrostatic charging of individuals 
Anyone who is not connected to the electrical potential of their surroundings can be 
electrostatically charged.  
The figure below shows the maximum electrostatic voltages that can accumulate in a person 
who is operating equipment when he/she comes into contact with the materials indicated. 
These values comply with the specifications of IEC 801–2. 
 
Figure A-1 
Electrostatic voltages with which an operator can be charged.