Siemens SIMATIC Rack PC 840 Manual page 182

Technical Specifications
Ports
4
COM1 *
COM2
LPT1
VGA
Keyboard
Mouse
USB
MPI/DP12 port, potentially isolated *
Transfer rate
•
Operating mode
•
Physical port
•
Memory address area
•
Interrupts
•
Ethernet
Function Indicators (LEDs)
SIMATIC Rack PC 840
* Optically isolated within the safety extra-low voltage circuit (SELV)
1
* Restrictions for drives in the front drive holder:
When operating with stands the following values must not be exceeded: 0,019 mm from 10 to 58Hz
and 3 m/s2 from 58 to 500 Hz.
When fitting the device using telescopic rails, make sure that the device is free from mechanical distur-
bances.
2
* Restrictions for drives in the front drive holder:
When operating with stands 30m/s2 must not be exceeded.
When fitting the device using telescopic rails, make sure that the device is free from mechanical distur-
bances. When using a CD-RW drive, the device should generally be free of mechanical disturbances
while burning.
3
* When using a CD-RW drive, the device should generally be free of mechanical disturbances while bur-
ning.
4
* The line current (TTY) is an optional product feature
5
* Optional product feature
B-4
Serial port 1 (V.24 / TTY), 25 pin subminiature Cannon con-
nector
Serial port 2 (V.24), 9 pin subminiature Cannon connector
Parallel port (standard, EPP and ECP mode)
Connection for printer with parallel port
Connection for external monitor
PS/2 keyboard connection
PS/2 mouse connection
3 channels (2x internal, 1x external)
5
9 pin subminiature Cannon socket
9.6 Kbps to 12 Mbps, configurable by SW
•
potentially isolated*:
•
- data lines A,B
- control lines RTS AS, RTS_PG
- 5V supply voltage (max. 90 mA)
connected to ground:
•
- shield of the DP12 connecting line
RS485, potentially isolated*
•
to be configured automatically
•
to be configured automatically
•
Ethernet port (RJ45), Controller Intel 82562
FAN
TEMP
WATCHDOG
ETHERNET
PROFIBUS/MPI
HARDDISK
POWER
FD access
CD ROM access
SIMATIC Rack PC 840 Manual
A5E00104826-03