Siemens Simatic 620 - Manual (Page 62)

SIMATIC Box PC 620 Expansions
4-2
SIMATIC Box PC 620 Manual
A5E00131465-01
4.1 Opening the Unit
4.1.1 Prerequisites
The device is designed for easy maintenance so that any work that is necessary
can be done quickly and at low cost.
!
Caution
The electronic components on the printed circuit boards are extremely sensitive to
electrostatic discharge. Certain precautionary measures are therefore necessary
when handling such components. These measures are explained in the guidelines
for handling electrostatically sensitive devices at the end of this manual.
Limitation of Liability
All technical specifications and licences apply only to expansion functions
approved by SIEMENS.
No liability can be accepted for impairment of functions caused by the use of
devices and components of other manufacturers.
All the modules and components in the Box PC are electrostatically sensitive.
Please read the ESD guidelines at the end of this book carefully. The following
symbol warns that electrostatically-sensitive modules are present.