Hardware Information

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.

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.

SIMATIC Box PC 620 Manual

7-27

A5E00131465-01

Page 159
Image 159
Siemens 620 appendix Port to the Floppy Disk Drive, Assignment of the IDE Ports