Maintenance and service
11.1 Removing and installing hardware components
SIMATIC Rack PC 847B
76
Operating Instructions, 06/2008, A5E02203168-01
11.1.2
Preventive maintenance
To maintain high system availability, we recommend the preventative exchange of those PC
components that are subject to wear. The table below indicates the intervals for this
exchange.
HDD
Fan
CMOS backup battery
Air filter mat
3 years
3 years
5 years
Depending on the degree of
soiling
11.1.3
Replacing filters
Preparing for filter replacement
Note
You may only use filters of the same type. Information about original spare parts for
SIMATIC PCs is available on the Internet at http://www.siemens.com/asis
Filter meshes are available under the following order number: A5E01064980.
Replacing filters
How to replace the filter
1. Open the front panel door by
approximately 45° to remove the
front panel surround
2. Remove the front cover to replace
the filter
Содержание SIMATIC PC 847B
Страница 208: ...Appendix A 4 Retrofitting instructions SIMATIC Rack PC 847B 208 Operating Instructions 06 2008 A5E02203168 01 ...
Страница 216: ...List of abbreviations C 1 Abbreviations SIMATIC Rack PC 847B 216 Operating Instructions 06 2008 A5E02203168 01 ...
Страница 232: ...Index SIMATIC Rack PC 847B 232 Operating Instructions 06 2008 A5E02203168 01 ...