Technical specifications
9.2 Directives and declarations
SIMATIC Field PG M6
Operating Instructions, 12/2018, A5E43198909-AA
75
ESD Guidelines
Definition of ESD
All electronic modules are equipped with large-scale integrated ICs or components. Due to
their design, these electronic elements are highly sensitive to overvoltage, and thus to any
electrostatic discharge.
The electrostatic sensitive components/modules are commonly referred to as ESD devices.
This is also the international abbreviation for such devices.
Electrostatic sensitive modules are identified by the following symbol:
Modules that are sensitive to electrostatic discharge can be destroyed by voltages well
below those that can be perceived by human beings. Such voltages occur if you touch a
component or electrical connectors of a module without first discharging the static from your
body. The electrostatic discharge current may lead to latent failure of a module, that is, this
damage may not be significant immediately, but in operation may cause malfunction.
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