Siemens 620 Manual De Usuario
Hardware Information
7-27
SIMATIC Box PC 620 Manual
A5E00131465-01
Port to the Floppy Disk Drive
This port is intended for the connection of a notebook floppy disk drive. The
maximum connection length of the data cable may not exceed 40cm.
maximum connection length of the data cable may not exceed 40cm.
Pin no.
Designation
Description
Input/Output
1
P5V
+5V
Output
2
INDEX_N
Index hole recognition
Input
3
P5V
+5V
Output
4
DS_N0
Drive 0 selection
Output
5
P5V
+5V
Output
6
DCHG_N
Disk change display
Input
7
n.c.
not connected
-
8
n.c.
not connected
-
9
Reserved
reserved
-
10
MOT_N0
Activate motor 0
Output
11
Reserved
reserved
-
12
DIR_SL_N
Step motor direction
Output
13
n.c.
not connected
-
14
STEP_N
Step motor pulse
15
GND
Ground
-
16
WR_DAT_N
Write data signal
Output
17
GND
Ground
-
18
WR_GAT_N
Enable data signal
Output
19
Reserved
reserved
-
20
TRACK_N0
Track 0 signal
Input
21
Reserved
reserved
-
22
WR_PRT_N
Write protection signal
Input
23
GND
Ground
-
24
RD_DAT_N
Read Data signal
Input
25
GND
Ground
-
26
SIDE_1_N
Page selection
Output
Assignment of the IDE Ports
The primary IDE port is intended for the alternative installation of
2.5” and 3.5” hard disks. 3.5” drives are connected via a 40 pin 2.54mm latching
connector, 2.5” drives via a 44 pin 2mm latching connector. The two connectors
are connected in parallel. The secondary IDE port is intended for the optional
connection of a CD ROM and / or an LS 240 drive. It is adaptable via a 44 pin
2mm latching connector. The maximum connection length of the data cables may
not exceed 40cm.
2.5” and 3.5” hard disks. 3.5” drives are connected via a 40 pin 2.54mm latching
connector, 2.5” drives via a 44 pin 2mm latching connector. The two connectors
are connected in parallel. The secondary IDE port is intended for the optional
connection of a CD ROM and / or an LS 240 drive. It is adaptable via a 44 pin
2mm latching connector. The maximum connection length of the data cables may
not exceed 40cm.