EMS EMS520 Manual page 11

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Set Ch 1 or 2 to desired opacity range i.e, for 4ma to represent minimum opacity and 20mA to represent maximum
opacity. The 20mA value of 99.9 is used to represent 100%.
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Note; For CFR 40, PS-1 set the 4mA to -5% To get negative values press +/- once for negative then button 5 then +/-
again for the decimal placement. i.e, Ch.1 4 mA: -5.0 % 20mA: 99.9%
MODBUS I.D. SETUP – Press return/enter button to input the node number (1 to 32) desired press Press return/enter button
to to set then ESC to exit.
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