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Technical specifications
7.2 Directives and declarations
Charge
Every person without a conductive connection to the electrical potential of his/her
surroundings can be electrostatically charged.
The material with which this person comes into contact is of particular significance. The
figure shows the maximum electrostatic voltages with which a person is charged, depending
on humidity and material. These values conform to the specifications of IEC 61000-4-2.
①
②
③
NOTICE
Grounding measures
There is no equipotential bonding without grounding. An electrostatic charge is not
discharged and may damage the ESD.
Protect yourself against discharge of static electricity. When working with electrostatic
sensitive devices, make sure that the person and the workplace are properly grounded.
42
Synthetic materials
Wool
Antistatic materials such as wood or concrete
SIMATIC IOT2020, SIMATIC IOT2040
Operating Instructions, 10/2016, A5E37656492-AB
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