1.2.1 Technical specifications
1.2.1.1 Power Specification
Power Specification SOMANET Circulo Circulo
7
Circulo 9
Nominal supply voltage DC 24-55 V
Maximum voltage DC 60 V
Minimum supply voltage DC 14 V
Maximum continuous phase current
RMS
I 8 A 20 A
Maximum peak phase current RMS
*
I 24 A 60 A
Maximum efficiency 99 %
Standby power consumption TBD
* The maximum peak current can be applied when the following criteria are fulfilled:
1. Duration of one peak doesn’t exceed 10 seconds
2. Mounting temperature and ambient temperature within operating range
3. Over any period of 90 seconds, the RMS value I of the current does not exceed the allowable
continuous current I . In the example of the current consisting of pulses with I = I and idle
phases of I = 0 between them, the maximum allowable duty cycle would be 11.1% (e.g. 10 seconds of I = I
, followed by 80 seconds of I = 0). In a more general way, this requirement can be written as
cont,max
peak,max
RMS,90s
cont,max peak,max
peak,max
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