368 HEIDENHAIN Technical Manual iTNC 530 HSCI
For the pin layouts of the MB, see page 330.
The TE keyboard units are supplied with power via the USB port (USB type B).
USB cables that are connected to the USB ports of the TE keyboard units must
be fixed with the corresponding cable tie to protect the USB connectors from
mechanical load (strain relief).
MB connector Function, identical to MB 720 Page
X14 Connection for the NC start key
(pre-assigned by HEIDENHAIN)
330
X15 Connection for the NC stop key
(pre-assigned by HEIDENHAIN)
330
X18 EMERGENCY STOP 332
X500 HSCI output 208
X502 HSCI input 208
X23 Handwheel connection 347
X10 Potentiometer of X60 keyboard unit via ribbon cable (enclosed) 338
X30 Connection for handwheel: permissive buttons and emergency
stop (only with functional safety (FS))
339
X31 NC start / NC stop, permissive buttons 335
X6 PLC inputs 333
X7 PLC outputs 332
X101 24 V DC NC power supply 339
Protective ground (M5)
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