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Everest XCR - Product manual | Wiring and Connections
INGENIA | 2020-10-01 00:04:38 41
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9.3.2.
Dual Power Supply
For systems where it is necessary to keep communications alive, or keeping position information with incremental
sensors while power is off, the drive can be powered from a logic supply input on the I/O connector. Choose the
main power supply as indicated above. There are no special power supply sequencing requirements.
Powering the logic supply at a lower voltage than the power will reduce the standby loss by increasing the
efficiency of the main DC/DC converter.
Note GND_P and GND_D are internally connected in the drive. It is not needed or recommended to duplicate this
connection externally.
9.3.2.1 Logic Supply Requirements
The logic supply should meet the following criteria:
The logic supply must be isolated with a minimum Overvoltage Category of II (Typ ≥ 2500 V isolation) or
battery powered.
The recommended
voltage is range is 8 V to 26.4 V (SELV/PELV). The maximum voltage is 50 V. Lower
voltages reduce standby losses by making the DC/DC converter on a low loss point.
The power of the logic should be at least 5 W .
9.3.3. Power Supply EMI Filter
In applications that require mitigating conducted and radiated electromagnetic emissions an input EMI filter is
necessary. Depending on the application, motor construction, PWM frequency and specific EMC requirements the
filter should be chosen. It is possible to share a single EMI filter for various servo drives given that the power ratings
are observed.
The connections are shown next, a good PE plane is strongly recommended. Please follow grounding
recommendations . Note that the Everest XCR includes 2 x 1 nF 2 kV capacitors between GND_P and PE (the drive
aluminum enclosure).