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Viglen SX220 User Guide 141
Worksheet, Total Combined Power Used by the System
1. From the previous worksheet, enter the total current for each column.
2. Multiply the voltage by the total current to get the total wattage for each voltage
level.
3. Add the total wattage for each voltage level to arrive at a total combined power
usage on the power supply.
Table 44: Power Usage Worksheet 2
Voltage level and total current
(V X A = W)
Total Watts
for each voltage level
(+3.3 V) X (______ A) ________ W
(+5 V) X (______ A) ________ W
(–5 V) X (______ A) ________ W
(+12 V) X (______ A) ________ W
(–12 V) X (______ A) ________ W
Total Combined Wattage ________ W