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Graphics
Graphics chip
SVGA-LCD Controller Cirrus GD7543 on PCI bus with
Windows accelerator
Graphics memory
1 MByte DRAM
Resolutions/frequencies/
CRT: up to 1024x768/75 Hz/256 colors
colors
Interfaces
COM1
Serial port 1 (V24), 25-pin sub-D socket
COM2
Serial port 2 (V24), 9-pin sub-D connetor (standard)
LPT1
Parallel port
Connection for printer with parallel port
VGA
VGA interface, connection for external monitor
Keyboard
PS/2 keyboard connection
Mouse
PS/2 mouse connection
MPI/DP interface,
9-pin sub-D socket, screw-type locking
optically isolated*
Transmission rate
9.6 Kbps to 1.5 Mbps, assign parameters with software
Operating mode
Optically isolated*: data lines A, B
Ground connection: MPI/DP connection cable shield
Physical interface
RS485, optically isolated
Memory address area
0CC000
0DC000
Interrupts
IRQ5, 10, 11 or 15 assign parameters with software
(only 1 interrupt possible)
Relay interface
Connection of a signaling device to a SafeCard monitoring
module. See SafeCard description in the section on
"Monitoring Module".
Function display
LEDs on the device
Power
Disk
Run (only with SafeCard option)
Temp (only with SafeCard option)
Floppy
CD-ROM
*) Optically isolated within the safety extra-low voltage circuit (SELV)
SIMATIC PC RI25/45
C79000-G7076-C806-01
control lines RTS AS, RTS_PG
5V line voltage (max. 90 mA)
– – 0CC7FF
or
H
H
– – 0DC7FF
, to be set in BIOS Setup
H
H
Safety Instructions
1-9
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