Technical Specifications
B-3
SIMATIC Rack PC 840 Manual
A5E00104826-03
Ambient Conditions
Temperature
– operation
– storage/transport
– gradient
tested to DIN EN 60068-2-2:1994,
DIN IEC 60068-2-1,DIN IEC 60068-2-14,
+ 5°C to +50°C (see chapter C Retrofit Notes)
- 20°C to +60°C
(Max. speed of temperature change 10
o
C/h (50
o
F/h)
condensation not permitted)
Relative humidity
– operation
– storage/transport
– gradient
tested to DIN IEC 60068-2-3, DIN IEC 60068-2-30,DIN IEC
60068-2-56
5% to 80% at 25°C (no condensation)
5% to 95% at 25°C (no condensation)
(Max. speed of temperature change 10
o
C/h (50
o
F/h)
condensation not permitted)
Mechanical Specifications
Vibration
– operation *
1
, *3
– storage/transport
tested to DIN IEC 60068-2-6
10 to 58 Hz: 0.0375 mm, 58 to 500 Hz: 5 m/s
2
5 to 9 Hz: 3.5 mm, 9 to 500 Hz: 9.8 m/s
2
Shock
– operation *
2
, *
3
– storage/transport
tested to DIN IEC 60068-2-29
50 m/s
2
, 30 ms,
250 m/s
2
, 6 ms
Special Features
Quality assurance to ISO 9001
Motherboard
Processor Intel Pentium III / Celeron (type: FCPGA 370),
(see order documentation)
Internal processor cache 2x 16KB first level, 128/256 KB second level, dependent on
the processor used
Main memory 3 slots
maximum 512 MB SDRAM,
memory configuration (see order documentation)
2nd Level Cache Processor internal
Free expansion slots 7 PCI (max 265 mm long)
5 ISA
a maximum of 10 modules simultaneously
– max. permissible current input per
ISA slot
– max. permissible current input per
PCI slot
– in total (all slots)
5 V 2 A, 12 V 0.3 A, -12 V 0.05 A
5 V 2 A or 3.3 V 2 A, 12 V 0.3 A, -12 V 0.05 A
90 W total power consumption may not be exceeded
Drives
Floppy disk drive 3.5” (1.44 MB)
Hard disk drive 3.5” EIDE, UDMA33/66/100, SCSI, UW
(see order documentation for equipment)
CD-ROM, CR-RW 5,25” EIDE, UDMA33
(see order documentation for equipment)
Graphics
Graphics controller SXGA LCD controller on the AGP bus
ATI Rage Mobility 128
Graphics memory 8 MB SDRAM
Resolutions/frequencies/colors CRT: up to 1280x1024/16.7 mill. colors/85 Hz
LCD: up to 1024x768x18 bits
Internal connection for LCD LVDS single chip; single channel
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