Connecting
7.4 Power supply
NCU 7x0.3 PN
46 Manual, 09/2011, 6FC5397-1EP40-0BA0
Position of power supply interface
0
-XPSHU
3RZHUVXSSO\FRQQHFWRU
Figure 7-3 Power supply interface
7.4.2 Requirements for the power supply
External 24 V power supply
Power is supplied to the Control Unit by an external 24 V power supply (e.g., SITOP). The
following power consumption values for the Control Units provide a configuration basis for
calculating the 24 V DC power supply.
Table 7- 3 Input voltage specification
Parameters NCU 710 NCU 720 / 730
Typ. power consumption
1)
0.9 A 1.9 A
Max. power consumption
2)
11.7 A 15.6 A
1)
NCU only (processor, memory, etc.)
2)
NCU with full load at all outputs (digital outputs, USB, DRIVE-CliQ, PROFIBUS DP etc.)