HEIDENHAIN TNC 426CB User Manual

Kundendienst/ Service
Service Manual TNC 426.B/430.A
Serial handwheels
Ausgabe
Issue
01.10.97
Blatt
Page
115
15. Serial Handwheels
Several handwheels can be operated as options TNC 426.B/430.A. These handwheels must be adapted in the
machine parameters MP7640 to MP7671.X.
15.1 Handwheel HR 130/330
HR 130 Id.No. 254 040 --
HR 130.001 Id.No. 249 371 --
HR 330
Id.No. 251 534 --
Adapter connector for HR 330
Id.No. 249 889 --
Pin Color Sig.
2
4
6
8
wh
bn
ye
gn
0V
+12V
DTR
RxD
Pin Color Sig.
1
2
3
4
5
6
bl
bl
gn
ye
bn
wh
EMG.
STO
P
RxD
DTR
+12V
0V
15.1.1 Checking data transfer of the handwheel HR 130/330
The serial handwheel HR 130 (panel-mounted handwheel without auxiliary keys) and HR 330 (portable handwheel
with auxiliary keys) can be checked by means of an oscilloscope. The following signals can be measured at the
handwheel input X32 of the logic unit. The signals must correspond to the diagram below:
Pin 6
DTR
0V
Pin 8
RxD
0V
t = 6ms
The handwheel is powered via the logic unit (X23 pin 2 = 0V, pin 4 = + 12V)
Connecting terminals
for EMERG.STOP
loop of the
machine tool

HEIDENHAIN TNC 426CB Specifications

General

Brand	HEIDENHAIN
Model	TNC 426CB
Category	Measuring Instruments
Language	English