RMS Technologies IMDP 23 W/ POLE DAMPING TECHNOLOGY*NEW* - Manual (Page 15)

RMS Technologies Page 15 Version 1.04
IMDP23/IMDEP23 Manual 8/4/2010
If the desired voltage level is not listed above, below is how to calculate the resistor and
wattage:
Amps
R
V Voltage
010 . 0
470
25 . 1

 

or
 





 

470
010 . 0
25 . 1
Amps
V Voltage
R
2 Re Amps sistor Power
 
or
Amps sistor Wattage 0001 . 0 Re
 
Equation 1: Resistance Equations Equation 2: Wattage equations
Figure 18: Internal Schematic
For easier connection, simply connect pin 6 to pin 7. This will take the IMDP23’s internal
5VDC and supply the opto reference, and you therefore wouldn’t need a separate supply.
V
f
= 1.25V
V
f
= 1.25V
V
f
= 1.25V
470Ω
470Ω
470Ω