Siemens SIMATIC PC 670, Руководство по эксплуатации оборудования, Страница: 19 / 200

Product Overview
Release 04/02
1-7
Panel PC 670 Computing Unit, Equipment Manual
Batteries
This unit contains batteries on the motherboard. The batteries may only be
replaced by authorized, adequately trained personnel.
When disposing of the batteries, observe the locally applicable laws on disposal of
pollutants.
!
Caution
Improper replacement of the battery poses danger of explosion. Only replace with
batteries of the same type or those of a similar type recommended by the
manufacturer. When disposing of the batteries, observe the locally applicable laws
on disposal of pollutants.
ESD guidelines
Components containing ESD (Electrostatically Sensitive Devices) may be identified
by the following label:
When handling components containing ESD, it is essential to observe the following
guidelines:
S
Before working with components containing ESD, you must discharge any
static electricity from your body (e.g. by touching a grounded object).
S
Any devices and tools used must also be free of static electricity.
S
Pull the power plug before connecting or disconnecting components containing
ESD.
S
Only touch the components containing ESD at the edges.
S
Do not touch any contact pins or strip conductors on components containing
ESD.