Index - Siemens SIMATIC PC 670 Equipment Manual

Computing unit
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Release 04/02
Interface to floppy disk drive
By means of this interface a notebook floppy disk drive may be connected. The
maximum connection length of the data cable may not exceed 40cm.
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Panel PC 670 Computing Unit, Equipment Manual
Short Name
Meaning
P5V
+5V
INDEX_N
Index hole recognition
P5V
+5V
DS_N0
Drive 0 selection
P5V
+5V
DCHG_N
Disk change display
n.c.
Not assigned
n.c.
Not assigned
Reserved
Reserved
MOT_N0
Activate motor 0
Reserved
Reserved
DIR_SL_N
Step motor direction
n.c.
Not assigned
STEP_N
Step motor pulse
GND
Chassis ground
WR_DAT_N
Write data signal
GND
Chassis ground
WR_GAT_N
Enable data signal
Reserved
Reserved
TRACK_N0
Track 0 signal
Reserved
Reserved
WR_PRT_N
Write protection signal
GND
Chassis ground
RD_DAT_N
Read Data signal
GND
Chassis ground
SIDE_1_N
Page selection
Hardware Information
Input/
Output
Output
Input
Output
Output
Output
Input
-
-
-
Output
-
Output
-
-
Output
-
Output
-
Input
-
Input
-
Input
-
Output
7-27

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