All lines in the signal interface are digital in nature and provide signals to the drive
(input), or to the host (output), by way of the interface connector J1.
The
power connector, J2, pr5V
and +12V
power.
8
Drive select 1
Drive select 2
Drive select 3
Drive select 4
Motor ON
Direction select
Step
Write data
Write gate
Side select
In use/spare (option)
Mode select
+12V
+12V Return
+5V Return
+5V
1
2
3
4
100k
W
0.01
m
F
Signal ground
Frame ground
System frame ground
J2/P2
Connector
Ground
J1/P1
Connector
2
4
32
24
22
20
18
16
6
14
12
10
8
26
28
30
34
Index
Track 0
Write protect
Read data
Ready/drive status
Figure 2-1. Interface connection
Leaflet No. 9419 26/4/97 6:09 pm Page 8
