Power Management Scheme for the Utah State University Environmental Observatory
IF Qloss is Above 30 (Amp Hours) and Shortwave is Above 300 (W m-2)
Battery Voltage | Brightness Level | % on time | Off Time (seconds) | Display Power Use (milliAmps) |
---|---|---|---|---|
>Target Voltage - 0.2 | 5 | 50 | 4 | 315 |
>12.6 | 5 | 44 | 5 | 280 |
>12.4 | 5 | 40 | 6 | 252 |
>12.2 | 5 | 36 | 7 | 229 |
>12.1 | 5 | 33 | 8 | 210 |
>12 | 5 | 21 | 15 | 133 |
After Dark | 1 | 57 | 3 | 14 |
IF Qloss is Below 30 (Amp Hours) and Shortwave is Above 300 (W m-2)
Battery Voltage | Brightness Level | % on time | Off Time (seconds) | Display Power Use (milliAmps) |
---|---|---|---|---|
>Target Voltage -0.2 | 5 | 80 | 1 | 504 |
>12.6 | 5 | 67 | 2 | 420 |
>12.4 | 5 | 57 | 3 | 360 |
>12.2 | 5 | 50 | 4 | 315 |
>12.1 | 5 | 50 | 4 | 315 |
>12 | 1 | 50 | 4 | 13 |
After Dark | 1 | 57 | 3 | 14 |
IF Shortwave is Below 300 (W m-2)
Battery Voltage | Brightness Level | % on time | Off Time (seconds) | Display Power Use (milliAmps) |
---|---|---|---|---|
>Target Voltage -0.2 | 5 | 67 | 2 | 420 |
>12.6 | 5 | 36 | 7 | 229 |
>12.4 | 5 | 33 | 8 | 210 |
>12.2 | 5 | 31 | 9 | 194 |
>12.1 | 5 | 29 | 10 | 180 |
>12 | 1 | 27 | 11 | 7 |
After Dark | 1 | 57 | 3 | 14 |