January 2012 3.26 MB 620T Machine Operating Panel 269
3.26 MB 620T Machine Operating Panel
For lathes, HEIDENHAIN offers the MB 620T machine operating panel with
HSCI interface. It is based on the MB 620 and contains in addition two override
potentiometers for adjusting the spindle speed and the feed rate.
On the underside of the machine operating panel are terminal strips bearing
the PLC inputs as well as the PLC outputs. Also, connection X23 (283) for HR
serial handwheels is on the underside of the MB 620T.
Pin layout for MB 620T (FS) Connec-
tor
Function Page
X17 Emergency stop (MB) 270
X18 Emergency stop (MB) 270
X500 HSCI output 171
X502 HSCI input 171
X6 PLC inputs 272
X7 PLC outputs 270
X10 Interface to keyboard and potentiome-
ters
274
X23 Handwheel connection 283
X30 Connection for handwheel adapter 276
X31 Permissive key, NC Start, NC Stop 273
X101 24 V NC power supply 275
Protective ground
X23
X10
X502
X500
X101
X30
X31
X6
X7
X17
X18
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