HEIDENHAIN TNC 306 Technical Manual - Manual (Page 29)

3–14
TNC 416/TNC 406/TNC 306 Overview of connections 3/99
LE 406
X1
X2
X3
X4
X5
X6
X12
X8
X21
X22
X23
B
X43
X47
X42 X46
X41 X45
X44
24V
X31
X1 Measuring system 1 (11µA)
X2 Measuring system 2 (11µA)
X3 Measuring system 3 (11µA)
X4 Measuring system 4 (11µA)
X5 Measuring system 5 ( )
X6 Measuring system 6 ( )
X8 Nominal value outputs 1,2,3,4,5
gap signal input
X12 Touch probe system;
Short-circuit signal input
X21 Data interface RS-232-C/V.24
X22 Data interface RS-422/V.11
X23 Electronic handwheel HR 130/HR 410
X41 PLC output
X42 PLC input
X43 VDU BC 110
X45 TNC keyboard TE 400
X46 Machine operating panel
X47 PLC I/O board PL 410 B
X31 Power supply 24 V for NC
X44 Power supply 24 V for PLC
B Signal ground
Interfaces X1, X2, X3, X4, X5, X6, X8, X12, X21, X22, X23, X41, X42, X43, X45, X46 and X47
comply with the recommendations in VDE 0160, 5. 88 for separation from line power.
Danger to internal components!
Do not engage or disengage any connections while the unit is under power.
The outputs at connection X.... (indicate pin number if appropriate) are metallically isolated
from the device electronics by means of optocouplers.