3 – 90 HEIDENHAIN Technical Manual TNC 426, TNC 430
3.18 TNC Keyboard Unit
The TNC keyboard is connected by cable with the logic unit, and by ribbon
cable to the soft keys of the visual display unit. The ribbon cable is included
with the visual display unit.
X1: Connection of
soft keys on the
visual display unit
with the TNC
keyboard
Pin layout of the TNC keyboard:
X45:
TNC keyboard unit
Pin layout of logic unit, connecting cable, and TNC keyboard unit:
Connecting element (male) 9-pin Assignment
1SL0
2SL1
3SL2
4SL3
5 Do not assign
6RL15
7RL14
8RL13
9RL12
Logic unit Connecting cable Id. Nr. 263 954-xx TE 420
313 038-xx
D-sub connctn.
(female)
37-pin
Assignment D-sub
cnnctr.
(male)
37-pin
D-sub
cnnctr.
(female)
37-pin
X2: D-sub
connctn.
(male)
37-pin
1 RL0 1 Gray/Red 1 1
2 RL1 2 Brown/Black 2 2
3 RL2 3 White/Black 3 3
4 RL3 4 Green/Black 4 4
5 RL4 5 Brown/Red 5 5
6 RL5 6 White/Red 6 6
7 RL6 7 White/Green 7 7
8RL7 8Red/Blue88
9 RL8 9 Yellow/Red 9 9
10 RL9 10 Gray/Pink 10 10
11 RL10 11 Black 11 11
12 RL11 12 Pink/Brown 12 12
13 RL12 13 Yellow/Blue 13 13
14 RL13 14 Green/Blue 14 14
15 RL14 15 Yellow 15 15
16 RL15 16 Red 16 16
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