28 – 502 HEIDENHAIN Service Manual iTNC 530 HSCI
X10:
Interface to
keyboard and
potentiometers
Designation of the terminals:
See “X60: Potentiometer values for MB 620” on page 28 – 499.
X17 and X18:
EMERGENCY STOP
on MB
Only for machine operating panels with FS (functional safety).
Not for use with MB 620 without FS!
With the MB 620 without FS, the EMERGENCY STOP must be wired externally in the EMERGENCY
STOP chain!
X23:
Handwheel input
D-sub connector (female) 9-pin Assignment
1CTS
20 V
3RTS
4+12 V
5 Do not assign
6DTR
7TxD
8RxD
9DSR
Housing External shield
The interface complies with the requirements of EN 61800-5-1 for "protective extra-low voltage"
(PELV).