Floppy Interface - Beckhoff CB2050 Manual

Chapter: Connectors

3.8 Floppy interface

A floppy drive can be attached using a standard 2x17-pin connector (FCI 75869-306LF) for ribbon cables.
Pinout FDD 2x17 pin connector:
Description
ground
ground
ground
ground
ground
ground
ground
ground
ground
ground
ground
ground
ground
ground
reserved
ground
reserved
page 28
Name Pin
GND 1
GND 3
GND 5
GND 7
GND 9
GND 11
GND 13
GND 15
GND 17
GND 19
GND 21
GND 23
GND 25
GND 27
N/C 29
GND 31
N/C 33
Name
2 DRVDEN0
4 N/C
6 DRVDEN1
8 IDX#
10 MT0#
12 DR1#
14 DR0#
16 MT1#
18 DIR#
20 STP#
22 WD#
24 WE#
26 TR0#
28 WPRT#
30 RDATA#
32 HDSL#
34 DC#
Beckhoff New Automation Technology CB2050
Floppy interface
Description
drive density sel 0
reserved
drive density sel 1
index
motor enable 0
drive sel 1
drive sel 0
motor enable 1
direction
step
write data
write enable
track 0
write protect
read data
head select
disk change