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