Key Matrix Of The Keyboard Units - HEIDENHAIN iTNC 530 Service Manual

22.9 Key Matrix of the Visual Units
Vertical soft keys:
BF 150
X1 Pin
X2 Pin
Matrix
X1 and X2 are the connections to the keyboard unit
X1:
X2:
MF = Vertical soft keys (MF1..MF6 from top to bottom)
Horizontal soft keys:
BF120
BF 150
X1 X2
Pin Pin
1 20
2 21
3 22
4 23
9 13
8 14
7 15
6 16
X1 and X2 are the connections to the keyboard unit
X1:
X2:
SK =
22 – 388
9 8
13 14
RL12 RL13
X
X
X
X
Connection for ribbon cable display unit=> keyboard unit (plug-type connector)
Connection for cable keyboard unit => MC (D-Sub 37-pin)
Matrix
SL0 X
SL1 X X
SL2
SL3
RL12 X
RL13
RL14 X
RL15 X
Connection for ribbon cable display unit=> keyboard unit (plug-type connector)
Connection for cable keyboard unit => MC (D-Sub 37-pin)
Horizontal soft keys (SK1..SK8 from left to right)
Note
The keys pressed are also recorded in the log.
The first horizontal soft key (down left on the screen) is recorded in the log as soft key 0,
the second soft key as soft key 1, etc.
The first vertical soft key (top right on the screen) is recorded in the log as V soft key 0,
the second soft key as V soft key 2, etc.
The arrow keys for the switching of the soft-key rows are recorded.
Any newly called soft-key row starts again with soft key 0 or V soft key 0.
7 6 1
15 16 20
RL14 RL15 SL0
X X
X
X
X X
X X
X
X
X
X
HEIDENHAIN Service Manual iTNC 530
2 3 4
21 22 23
SL1 SL2 SL3
X
X
X X
X X
X
X
X
X
5
24
SL4
X
X
X
X
X
X