Typical circuit diagrams
7.3 Circuit Manual Group =1
Guide for the SINUMERIK 840D sl machine configuring
7-4 Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
7.3 7.3 Circuit Manual Group =1
Line infeed and creation of the 24 VDC power supply
● Line infeed including the main power switch
● Power outlets including fuses for the Line Modules
● 24 VDC power supply for the drive group
● 24 VDC power supply for other consumers
Device selection:
=1.-Q11 Main power switch with leading auxiliary switch for switching off
The main switch disconnects the electrical equipment from the energy
supply. The main power switch should not be operated while the
machine is running.
Selection, see the device manual and the LV10/NC61 catalog. The
leading auxiliary switch is required for enabling the Line Module.
=1.-F23
=1.-Q24
=1.-Q26
=1.-Q27
Protection against over-current for the Line Module
Depending on the requirement, either a fuse or a circuit-breaker can be
used. The associated specifications of the safety characteristics must be
observed.
For assignment, see the Equipment Manual for Booksize Power Units;
for selection, see NC61 catalog
=2.-Q15 Line contactor
Optionally, a line contactor can be used; also see "Line Contactor
Control" and "Safety Integrated" sections; selection, see NC61 catalog
=1.-V23
=1.-V24
=1.-V27
Line filter
See the Equipment Manual for Booksize Power Units; for selection, see
NC61 catalog
=1.-R23
=1.-R24
=1.-R26
=1.-R27
Line reactor
See the Equipment Manual for Booksize Power Units; for selection, see
NC61 catalog