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B0003308 / 1.4 /
13.02.2013
6.9
External Teach-In
External Teach-In is useful, if the control unit is not mounted at the place of measurement but
inside the control cabinet, and the material will be frequently changed.
The external Teach-In can be triggered via the machine PLC or with a simple pushbutton.
Preparation:
Step 1
Switch the input "Teach-In" (terminal 4) to GND for a short time (see section "connection diagram").
After that the signal outputs "1-sheet" AND "2-sheet" activated as feedback.
Step 2
Again switch the input "Teach-In" (terminal 4) to GND for a short time. The teach-In will then be
performed.
If the Teach-In was successful, the system releases the measurement result "1-sheet" and
automatically switches over to the measurement mode.
If the Teach-In was not successful, the signal outputs "1-sheet" and "2-sheet" will stay active for the
present. Furthermore, an error message will be shown on the LCD indication and the yellow
"FAULT" LED will be actuated.
The error message will disappear after approx. 5 seconds, and the outputs "1-sheet" and "2-sheet"
will be de-activated. The system then automatically reverts back to the measurement mode.
Measurements are performed with the currently existing Teach-In value.
The "FAULT" LED will go off only if a new Teach-In has been successful or if the system is re-
started by recycling power.
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Double Sheet Detector R100 I100
Before the external Teach-In can be performed, a Teach–In must
Note!
once have been performed at the control unit via operating keys.
A100: Place the sensor onto the sheet.
I100:
place the sheet between the sensors.
If the second step is not performed, the system reverts back to the
Note!
measurement mode after approx. 5 seconds without any changes.
The external Teach-In will always be performed with the last valid
Note!
thresholds.
Manual
for pairs of sensors
Start-up
37
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