HEIDENHAIN ITNC 530 - Key Matrix of the Keyboard Units

22 – 388 HEIDENHAIN Service Manual iTNC 530
22.9 Key Matrix of the Visual Units
BF 150 Vertical soft keys:
X1 and X2 are the connections to the keyboard unit
BF120
BF 150
Horizontal soft keys:
X1 and X2 are the connections to the keyboard unit
X1 Pin 9 8 7 6 1 2 3 4 5
X2 Pin 13 14 15 16 20 21 22 23 24
Matrix RL12 RL13 RL14 RL15 SL0 SL1 SL2 SL3 SL4
XX
XX
XX
XX
XX
XX
X X
X1: Connection for ribbon cable display unit=> keyboard unit (plug-type connector)
X2: Connection for cable keyboard unit => MC (D-Sub 37-pin)
MF = Vertical soft keys (MF1..MF6 from top to bottom)
X1
Pin
X2
Pin
Matrix
1 20 SL0 X X
2 21 SL1 XXXX
3 22 SL2 X X X X
4 23 SL3 X X
9 13 RL12 X X X
8 14 RL13 X X X
7 15 RL14 X X X
6 16 RL15 X X X
X1: Connection for ribbon cable display unit=> keyboard unit (plug-type connector)
X2: Connection for cable keyboard unit => MC (D-Sub 37-pin)
SK = 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.