Roland udk20 Manual page 78

Communication with the PLC
6.3.5 External Teach-In (via PLC inputs)
This function may be required for special applications. It is, however, switched off in the standard
factory adjustment. If required it can be activated according chapter "7. Start-up".
IN0-1, 3-8
IN2
OUT3
OUT2
OUT1
Check whether the output OUT0 „Enable" has switched to HIGH (ready for operation), otherwise there is a fault

condition.
Before initiating the Teach-In, all inputs must be LOW for 30 ms. One sheet of nominal thickness must be placed in

front of the sensor.
Switch the input IN2 „Teach-In" to HIGH.

Within 30 ms the outputs OUT1-3 have switched to LOW.

After point  or 30 ms after point  switch the input IN2 „Teach-In" to LOW.

Now the unit performs a „Teach-In" procedure, which is completed within 7s. Then the outputs OUT1-3 switch to

HIGH.
Example:
Check whether the output OUT0 „Enable" has switched to HIGH.

One sheet must be in front of the sensor. All inputs must be LOW for more than 30 ms.

Switch input IN2 to HIGH.

After 30 ms check whether outputs 1-3 have switched to LOW.

Switch input IN2 „Teach-In" to LOW.

After < 7 seconds check whether the outputs OUT1-3 have switched to HIGH.

78
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
Double Sheet Detector R1000 series UDK20
Note During Teach-In one sheet of nominal thickness must be placed in front of
the sensor.
Note A zero adjust procedure must be executed immediately before the
Teach-In procedure.
Enable
Teach-In
0-sheet
1-sheet
2-sheet
1
> 30ms
2
3
Manual
< 30ms
4
> 30ms
5
< 7 sec.
B0048991 / Rev. 1.3
6