Requirements For The Power Supply - Siemens NCU 7x0.3 PN Series Manual

Connecting
7.4 Power supply
Position of power supply interface
Figure 7-3
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
Parameters
Typ. power consumption
Max. power consumption
NCU only (processor, memory, etc.)
1)
NCU with full load at all outputs (digital outputs, USB, DRIVE-CliQ, PROFIBUS DP etc.)
2)
46
Power supply interface
Input voltage specification
1)
2)
NCU 710 NCU 720 / 730
0.9 A 1.9 A
11.7 A 15.6 A
Manual, 09/2011, 6FC5397-1EP40-0BA0
NCU 7x0.3 PN