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3.8.4 X101: NC power supply
July 2013
The MC main computer is supplied with +24 V NC (control voltage) of the
machine, for example by the PSL 130, see "PSL 13x low-voltage power supply
unit" on page 237 or by the integrated 24 V power supply unit of the UEC 11x
(FS).
Protective Extra Low Voltage (PELV) according to EN 61800-5-1 must be
complied with for the +24 V NC power supply.
Power supply:
Pin layout:
Connecting
terminals at X101
+ / terminal 1
– / terminal 2
Attention
Ensure that either the DC-link power supply unit is switched off or the line
power is disconnected before connecting the power cables!
Power consumption:
Device
MC 6241
MC 6341, IPC 6341
MC 6222, MC 7222
Note
If USB components that are connected to X141/X142 require more than 0.5
A, a separate power supply becomes necessary for these components.
One possibility is the USB hub from HEIDENHAIN (582884-02).
3.8 Supply voltages in the HSCI system
Minimum absolute value: +20.4 V–
Maximum absolute value: +28.8 V–
Assignment
+24 V NC
0 V NC
Power consumption
40 W
43 W
60 W
Fuse
7 A safety fuse
integrated in the MC
231
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