October 2000 Important Safety Information: Electrostatically Sensitive Modules 5
SIEMENS CONTROL
Operator Manual
Fadal
ESD notes Electrostatically Sensitive Modules
Important!
Handling of ESD modules:
When handling electrostatically sensitive devices, make sure that operator,
workplace and packing material are properly grounded.
Generally, electronic modules must not be touched unless work has to be
carried out on them. When handling PC boards make absolutely sure that
you do not touch component pins or printed conductors.
Touch components only if
–you are permanently grounded by means of an antistatic chain,
–you are wearing ESD (Electro Static Device) boots or ESD boots
with grounding strips in conjunction with ESD flooring.
Modules may only be placed on electrically conductive surfaces (tables
with ESD tops, conductive ESD foam plastic, ESD packing bags, and/or
ESD transport containers).
Keep modules away from visual display units, monitors or TV sets (the
minimum distance from screen must be more than 10 cm).
Modules must not be allowed to come into contact with electrically
insulating materials such as plastic films, insulating table tops or clothing
made of synthetic fibers.
Measurements on modules are allowed only if:
–the measuring instrument is properly grounded (e.g. equipment
grounding conductor), or
–the probe is briefly discharged before measuring with a potential-
free measuring instrument (e.g. touch the unpainted metal parts
of the control housing)
The equipment may be used only for the applications stated in the manual
and only in conjunction with devices and components recommended and
authorized by Fadal.
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