Bedienhandbuch
SIMATIC HMI SCD1900
Seite 8 / 29
DOC-No.: SCD1900 MANUAL.DOC
1.3
Instructions for Handling Components Susceptible to Electrostatic discharge
Most of the assemblies within the SCD1900 contain components which can be destroyed by
electrostatic voltages. It is also possible for the assemblies to be damaged in such a way that
total failure does not occur.
If you (as an authorized service technician) are handling such assemblies then the following
precautions should be observed:
•
When such assemblies are being handled, a means of electrostatic discharge must
be available. This can be, for example, a grounded object, which can be touched to
discharge electrostatic voltages.
•
This applies to all insulated used tools. They must also be discharged at grounded
object.
•
When assemblies are removed or added to the system, the unit must always be
switched off and the power supply cable disconnected.
•
Vulnerable assemblies should always be held by their edge. Avoid touching tracks
and contact pins.
