Nc Power Supply For Le 426 M, Le 430 M - HEIDENHAIN TNC 426 PB/M Technical Manual

3.4.2 NC Power Supply for LE 426 M, LE 430 M

X69: NC supply
voltage and control
signals
3 – 24
The LE 426 M, LE 430 M is supplied via X69. With lengths of 600 mm and longer,
the ribbon cable is led doubled to the LE to increase the line cross section.
Ribbon connector, 50-pin
1a to 5b
6a to 7b
8a
8b
9a
9b
10a
10b
11a
11b
12a
12b
13a
13b
14a
14b
15a
15b
16a
16b
17a
17b
18a
18b
19a
19b
20a
20b
21a
21b
22a
22b
23a
23b
24a
24b
25a
25b
Assignment
+5 V
+12 V
+5 V (low-voltage separation)
0 V (low-voltage separation)
+15 V
-15 V
UZAN
0 V
IZAN
0 V
RES.PS
0 V
PF.PS.ZK
GND
ERR.UZ.GR
GND
ERR.IZ.GR
GND
ERR.TMP
GND
RDY.PS
GND
ERR.ILEAK
GND
PF.PS.AC (not with UV 130, UE 2xx, UE 2xxB)
GND
Do not assign
GND
Do not assign
GND
Do not assign
GND
Reserved (SDA)
GND
Reserved (SLC)
GND
RES.LE
GND
HEIDENHAIN Technical Manual TNC 426, TNC 430