Siemens PC 670 manual Opening the Unit Conditions, Restricted liability

Maintaining and Extending the Computing Unit Release 04/02

4.1Opening the Unit

4.1.1Conditions

The device is designed for easy maintenance so that any work that may be necessary can be done quickly and economically.

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 electrostatic sensitive devices at the end of this manual (ESD Guidelines).

Restricted liability

All technical specifications and approvals apply only to expansion modules approved by Siemens AG.

No liability can be accepted for impairment of functions caused by the use of non-Siemens devices or non-Siemens components.

All the modules and components are electrostatically sensitive. Please observe the ESD notes. The following symbol indicates that electrostatically sensitive modules are present.

4-2 Panel PC 670 Computing Unit, Equipment Manual