EAV15107-EN06

Total power limits

There are limits to the total power that the alarm / energy pulsing LED and the digital output can handle.

Total power limit for alarm / energy LED

Given the maximum pulse constant (Kmax) you can enter is 9,999,999 pulses per kWh, and the maximum pulse frequency for the alarm / energy LED is 83 Hz, the maximum total power (Max Ptot) the alarm / energy LED’s energy pulsing circuitry can handle is 29.88 Watts:

  • Maximum Ptot = 3600 x (Maximum pulse frequency) / Kmax = 3600 x 83 / 9,999,999 = 0.02988 kW

Total power limit for digital output

Given the maximum pulse constant (Kmax) you can enter is 9,999,999 pulses per kWh, and the maximum pulse frequency for the digital output is 25 Hz, the maximum total power (Max Ptot) the digital input’s energy pulsing circuitry can handle is 9 Watts:

  • Maximum Ptot = 3600 x (Maximum pulse frequency) / Kmax = 3600 x 25 / 9,999,999 = 0.009 kW

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