B&R Industries Provit 5000, User Manual

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Provit 5000 User’s Manual 89
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Controllers • System Unit with Socket 7 (ZIF)
7.9 Interface for External Floppy Disk Drive
An external floppy disk drive can be connected to the 25 pin DSUB socket.
It is not possible to operate a second parallel device on this interface (LPT)
These settings cannot be changed.
Because of general PC specifications, this interface should be handled with extreme
care with regard to EMC, location of cables etc. It should therefore only be used for
service.
Interface for External Disk Drive
Pin Assignment Pin Assignment
25 pin DSUB socket
1 n.c. 14 Density
2 Index 15 Side Select
3 Track 0 16 Direction
4 Write Protect 17 Step
5 Read Data 18 GND
6 Disk. Chan. 19 GND
7 n.c. 20 GND
8 n.c. 21 GND
9 +5 V 22 GND
10 Drive Select 23 GND
11 Motor on 24 GND
12 Write Data 25 GND
13 Write Gate
Table 54: Pin assignment interface for external floppy disk drive
Setting LPT1
Interrupt 6
I/O Address 3F0h - 3F7h
Table 55: Standard settings for the external floppy disk drive interface