Hardware Information
Release 11/02
7-21
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
Port to the floppy disk drive, X26
This port is designed for connecting a Notebook floppy disk drive. The maximum
connection length of the data cable must not be longer than 40 cm.
Pin
No.
Short
Name
Meaning
Input/
Output
1
GND
Ground
-
2
DENSEL
High density disk selection
Output
3
GND
Ground
-
4
NC
Not Connected
-
5
GND
Ground
-
6
DRAME0
Data Rate Signal
Output
7
GND
Ground
-
8
INDEX_N
Index hole detection
Input
9
GND
Ground
-
10
MOT_N0
Turn on motor 0
Output
11
GND
Ground
-
12
DS_N1
Select drive 1
13
GND
Ground
-
14
DS_N0
Select drive 0
15
GND
Ground
-
16
MOT_N0
Turn on motor 1
Output
17
GND
Ground
-
18
DIR_SL_N
Stepper motor direction
Output
19
GND
Ground
-
20
STEP_N
Pulse for stepper motor
21
GND
Ground
-
22
WR_DAT_N
Data write signal
Output
23
GND
Ground
-
24
WR_GAT_N
Data enable signal
Output
25
GND
Ground
-
26
TRACK_N0
Track 0 signal
Input
27
GND
Ground
-
28
WR_PRT_N
Write protection signal
Input
29
GND
Ground
-
30
RD_DAT_N
Data read signal
Input
31
GND
Ground
-
32
SIDE_1_N
Side selection
Output
33
MED_ID1
High density disk detection
34
DCHG_N
Diskette change display
Input
Summary of Contents for Simatic PC Panel PC 870
Page 4: ...Chapter For your notes ...
Page 12: ...Contents Release 11 02 xii SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 94: ...Fault Diagnosis Release 11 02 6 10 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 130: ...Hardware Information Release 11 02 7 36 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 154: ...Index Release 11 02 Index 4 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...