Opening The Unit - Siemens SIMATIC PG 760 PII Manual

PG 760 PII Expansions
4.1

Opening the Unit

Prerequisites The device is designed for easy maintenance so that any work that is
necessary can be done quickly and at low cost.
Caution
!
Risk of damage to the unit!
Please note that only qualified personnel should be allowed to work on the
open unit, so that the warranty on the device is not affected. Authorized
Siemens maintenance and repair centers offer you a specialist maintenance
service. The addresses are listed at the end of the Product Information
Bulletin. Consult Chapter 5 in the manual.
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 (ESD Guidelines).
Limitation of
All technical specifications and licences apply only to expansion functions
Liability
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 PG 760 PII 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
PG 760 PII Programming Device
C79000-G7076-C766-01