Siemens SIMATIC Rack PC 840 V2 Operating Instructions Manual page 16

Description
3.5 Features
General features
Ethernet
USB
Serial
Parallel
VGA
Keyboard
Mouse
Power supply
Monitoring functions
Temperature
Fan
Watchdog
Status LEDs
Standard versions
Processor
Main memory expansion
Hard disk
Floppy drive
Hard disk drives
Operating system
3-4
10/100 Mbps (RJ45)
1 x front, 2 x back; (high-current)
COM1 (V.24), COM2 (V.24)
LPT1
1 x
PS/2
PS/2
120/230 V AC, Autorange; with buffering for short power
outages in accordance with NAMUR: max. 20 ms at
0.85 nominal voltage
Overshoot/undershoot of permissible operating
•
temperature
Messages can be evaluated by the application program.
•
Speed monitoring
Monitoring of program execution
•
Monitoring time can be parameterized in software
•
Restart can be parameterized in the event of a fault
•
Messages can be evaluated by the application program.
•
POWER (internal power supply unit, PC switched On)
•
HARDDISK (access to hard disk)
•
MPI (PROFIBUS/MPI interface)
•
WATCHDOG (Watchdog function/error display)
•
TEMP (temperature status)
•
ETHERNET (Ethernet status, "heartbeat")
•
FAN (Speed monitoring
•
Intel Pentium 4 2.4 GHz, 533 FSB
DDR266 SDRAM (PC2100)
3 slots, up to 2 GB
1,44 MB, installation in front drive bay
40 GB EIDE, 3.5"
without
Operating Instructions, Edition 05/2006, A5E00248055-04
SIMATIC Rack PC 840 V2