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
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