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M4RTU/M4IO POWER CONSUMPTION WORKSHEET INSTRUCTIONS
M4RTU/M4IO Power Consumption Worksheet Instructions
1. On the following worksheet, locate the daughter cards and digital and/or analog modules you
2. Multiply the value in the "Watts" column by the quantity entered in the "Quantity" column and
3. Add the values in the "Total" column, including the value entered for the M4RTU/M4IO base
4. Enter the supplied input voltage for your installation on the "Your supplied input voltage" line.
5. Divide the total on the "Total Watts" line by the number entered on the "Your supplied input
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M4RTU/M4IO User's Guide
will be using with the M4RTU/M4IO. Enter a quantity for each item in the "Quantity" column.
Also, fill in the quantity and wattage of any RS-232 devices on the line provided.
enter the result in the "Total" column for each component used.
Example: Eight G4 digital module totals 0.688 W. Four G4ADX analog modules total 6.4 W.
unit, and enter the result on the "Total Watts" line.
Example: 0.688 W (digital modules) + 6.4 W (analog modules) + 7.5 W (base RTU) = 14.588 W.
Example: 24 VDC.
voltage" line to calculate your total input current requirements. Enter this number on the last
line of the worksheet.
Example: 14.588 W (total watts)/24 VDC (supplied input) = 0.6 A required input current for the
M4RTU/M4IO.
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