Installation and EMC guidelines
1.17 ESD Directives
SIMATIC TDC hardware
36 System Manual, 08/2017, A5E01114865-AL
Measuring and modifying ESD modules
● Measurements may only be taken on the modules when
– The measuring devices is grounded (e.g. via PE conductor), or
– The measuring head has been briefly discharged (e.g. by touching a bright metal part
of the control enclosure) prior to measurement with an electrically isolated measuring
device.
Always use ESD soldering irons for soldering work on modules, or at least grounded
soldering tips.
Modules and components must always be stored and shipped in conductive packing
materials (e. g. metalized plastic boxes, metal containers).
If using non-conductive packaging, you must protect the modules with a wrapping of made of
conductive material, e.g. conductive foam rubber, or household aluminum foil.
The following figure once again emphasizes the necessary ESD protective measures.
Ground connection of the cabinets
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