3 – 36 HEIDENHAIN Technical Manual TNC 426, TNC 430
X1 to X6, X35 to
X38: Inputs for
encoders 1 to 10
with EnDat
interface
Pin layout:
Note
The interface complies with the requirements of EN 50 178 for “low
voltage electrical separation.”
LE AK 332 115-xx VB 323 897-xx AK 313 791-xx
Male Assgnmnt
.
Female Color Female Male Color Female Male Color Female
1+5 V (U
P
)1
Brown/
Green 7 7
Brown/
Green 7 7
Brown/
Green 5b
20 V (U
N
)2
White/
Green 10 10
White/
Green 10 10
White/
Green 6a
3A+ 3
Green/
Black 15 15
Green/
Black 15 15
Green/
Black 2a
4A– 4
Yellow/
Black 16 16
Yellow/
Black 16 16
Yellow/
Black 2b
5 Data 5 Gray 14 14 Gray 14 14 Gray 3b
6B+ 6
Blue/
Black 12 12
Blue/
Black 12 12
Blue/
Black 1a
7B– 7
Red/
Black 13 13
Red/
Black 13 13
Red/
Black 1b
8 Data
8 Pink 17 17 Pink 17 17 Pink 3a
9
+5 V
(sensor
line)
9 Blue 1 1 Blue 1 1 Blue 6a
10 Free 10 3 3 Red 3 3
11
0 V (sensor
line) 11 White 4 4 White 4 4 White 6b
12 Free 12 2 2 Black 2 2
13
Internal
shield 13
Internal
shield 11 11
Internal
shield 11 11
Internal
shield
14 Clock 14 Violet 8 8 Violet 8 8 Violet 4a
15 Clock
15 Yellow 9 9 Yellow 9 9 Yellow 4b
Hsg. Housing Hsg.
External
shield Hsg.
Externa
l shield Hsg.
External
shield