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Set Sensor Parameter
optoNCDT 1420
7.5.3.4 Calculation of Measuring Value using Analog Current
Current output (without mastering, without teaching)
Variables Value range Formula
I
OUT
= current [mA]
[3,8; <4] SMR reserve
[4; 20] measuring range
[>20; 20,2] EMR reserve
d [mm] = * MR [mm]
(I
OUT
[mA] - 4)
16
MR = measuring range [mm] {10/25/50/100/200/500}
d = distance [mm] [-0,01MR; 1,01MR]
Current output (with mastering), reference value is midrange
Variables Value range Formula
I
OUT
= current [mA]
[3,8; <4] SMR reserve
[4; 20] measuring range
[>20; 20,2] EMR reserve
d [mm] = * MR [mm]
(I
OUT
[mA] - 12)
16
MR = measuring range [mm] {10/25/50/100/200/500}
MP = master position [mm] [0; MR]
d = distance [mm]
for MP £ 0.5MR: [-MP; 0.5MR]
for MP > 0.5MR: [-0.5MR; MR - MP]