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TC100 Operating Instructions

ESD guidelines B

B.1 Electrostatic sensitive devices

Definition

All electronic modules are equipped with highly integrated ICs or components.

Due to their design, these electronic elements are highly sensitive to overvoltage,

and thus to any electrostatic discharge.

Electrostatic Sensitive Devices are frequently referred to by the abbreviation

ESD. This is also the international abbreviation for such devices.

ESD modules are identified by the following symbol:

Figure B-1 Electrostatic sensitive devices

Caution

Modules susceptible to electrical discharge can be destroyed by voltages that fall

far below the limits of human perception. These voltages even occur if you touch

a component part or electrical connections of a module without being electrosta-

tically discharged. The damaged caused on a module by an overvoltage is not

usually recognized immediately, but only becomes evident after a longer period

of operation.

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Siemens SICLOCK GPS1000 Instrucciones de operaciones Pagina 110