Page 71
Set Sensor Parameter
optoNCDT 1420
7.5.3.3
Output Scaling via Hardware Input
Scaling of the analog output can be made via an impulse at the functional input, pin 9 pigtail resp. via the
violet wire on the sensor cable resp. PCF1420-x.
Pin 9 (violet)
LED
state
Error
Measuring
Green, red, yellow,
depends on
measuring position
Color according
to measuring
position
flashes red
approx. 1 Hz
flashes green
approx. 1 Hz
Start
teaching
Position the
measuring object
to 4 mA
Positon the
measuring
object to 20 mA
Teach-in 1
Teach-in 2
Measuring
red
t 0
5 min
2 s
2 s
2 s
30 s
30 s
t 1
t 3
t 2
t 4 t 5
t 7 t 8
t 9
t 6
yellow
yellow
min.
30 ms
min.
30 ms
min.
1 ms
Fig. 42 Flow chart for output scaling
LED
state
Measuring
Green, red, yellow,
depends on
measuring position
Color according
to measuring
position
Flashes red approx. 1 Hz
Measuring
red
t 0
5 min
2 s
200 ms
t 5 - t 3 = 2 s
5 ... <10 s
t 1
t 2
t 3 t 4
t 5
yellow
Error
Pin 9 (violet)
Fig. 43 Flow chart for the return of output scaling
Содержание ILD 1420-10
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