HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 51)

01.98
TNC 407/TNC 415/TNC 425 4 Power supply 3-21
B
0V
1,2,3,4,5
X8
8 x24 Matrix
8 x 0,1A
Triggering
touch probe
X22
X43
X45
X46
C
C
X12
0V
V
L
V
C
C
C
C
X41 X41 X41 X41 X42
7x0,1A
0,1A
16x0,1A 8x0,1A
X23
X14
2
6mm
4mm
2
2
6mm
2
6mm
2
6mm
2
6mm
X21
Measuring
touch probe Adapter
V.24
Optoc.
Handwheel
Machine
Op. Panel
Keyboard
Unit
Display
Unit
Terminal box
(Spindle)
Test point 1
Spindle
Motor control
without nominal
value difference
input
Motor control with
nominal value
difference input
32 Inputs Emergency Stop
Spindle
24 Inputs
Test Point 2
(Fault voltg. with
grounded nominal
value input)
(Fault voltg. 0V/
housing)
Operating panel
1-Axis
2-Axis
3-Axis
4-Axis
5-Axis
(Spindle)
Adapter
RS 422
Optoc.
A grounded nominal input results in an
earth circuit. Therefore ensure that the
0V and ground line are short and noise
immune.
To prevent earth circuits, the measuring
voltages should not be gruonded.
If it must be grounded,
ensure that the line is short and noise
immune.