3 – 88 HEIDENHAIN Technical Manual TNC 426, TNC 430
Logic unit Connecting cable Id. Nr. 263 954-xx MB 420; 293 757-xx
D-sub
cnnctr.
(female)
37-pin
Assignment D-sub
cnnctr.
(male)
37-pin
D-sub
cnnctr.
(female)
37-pin
D-sub
cnnctr.
(male)
37-pin
Key
1I128 1Gray/Red 11X –
2I129 2Brown/Black 22 Y –
3I130 3White/Black 33 Z –
4 I131 4 Green/Black 4 4 IV –
5I132 5Brown/Red 55V –
6I133 6White/Red 66X +
7 I134 7 White/Green 7 7 Y +
8I135 8Red/Blue 88 Z +
9 I136 9 Yellow/Red 9 9 IV +
10 I137 10 Gray/Pink 10 10 V +
11 I138 11 Black 11 11 FN1
12 I139 12 Pink/Brown 12 12 FN2
13 I140 13 Yellow/Blue 13 13 FN3
14 I141 14 Green/Blue 14 14 FN4
15 I142 15 Yellow 15 15 FN5
16 I143 16 Red 16 16 Spindle on
17 I144 17 Gray 17 17 Spindle off
18 I145 18 Blue 18 18 Coolant
On/Off
19 I146 19 Pink 19 19 NC start
20 I147 20 White/Gray 20 20 NC stop
21 I148 21 Yellow/Gray 21 21 Rapid traverse
22 I149 22 Green/Red 22 22 Black
23 I150 23 White/Pink 23 23 Black
24 I151 24 Gray/Green 24 24 Via X3
25 I152 25 Yellow/Brown 25 25 Via X3
26 O0 26 Gray/Brown 26 26 Via X4
27 O1 26 Yellow/Black 27 27 Via X4
28 O2 28 White/Yellow 28 28 Via X4
29 O3 29 Gray/Blue 29 29 Via X4
30 O4 30 Pink/Blue 30 30 Via X4
31 O5 31 Pink/Red 31 31 Via X4
32 O6 32 Brown/Blue 32 32 Via X4
33 O7 33 Pink/Green 33 33 Via X4
34 0 V (PLC) 34 Brown 34 34
35 0 V (PLC) 35 Yellow/Pink 35 35
36 +24 V (PLC) 36 Violet 36 36
37 +24 V (PLC) 37 White 37 37
Housing External
shield
Housing External shield Housing Housing
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