SIMATIC Box PC 620 Expansions

4.1Opening the Unit

4.1.1Prerequisites

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.

4-2

SIMATIC Box PC 620 Manual

A5E00131465-01

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Image 62
Siemens 620 appendix Opening the Unit Prerequisites, Limitation of Liability