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Set Sensor Parameter
optoNCDT 1420
7.5.3.2 Output Scaling with Key Select
LED state
Measuring
Green, red, yellow
depends on
measuring position
Color according
to measuring
position
flashes red
approx. 1 Hz
flashes green
approx. 1 Hz
Key
select
Position the
measuring
object to 4 mA
Position the
measuring
object to 20 mA
Key
select
Key
select
red
t
0
5 min 2 s 30 s 30 st
1
t
2
t
3
t
4
t
6
t
7
t
8
t
5
yellow yellow
min.
30 ms
min.
30 ms
Fig. 40 Flow chart for output scaling
LED state
Measuring
Green, red, yellow
depends on
measuring position
Color according
to measuring
position
flashes red approx. 1 Hzred
t
0
5 min 2 s
200 ms t
5
- t
3
= 2 s
5 ... <10 st
1
t
2
t
3
t
4
t
5
yellow
Error
Hold the key select
Fig. 41 Flow chart for the return of output scaling
If the key Select is pressed longer than 10 s or not within the timeframe while doing the return of the output
scaling, an error is shown via State LED. In this case the State LED is blinking red with 8 Hz for 2 s.