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R O L A N D
Rev. 1.0
6.1.3 Measurement Start / Stop
External control is different for single measurement and continuos measurement. If the sequencer mode
is used, the signals 0-1-2-sheet will be formed as summary output (see „3.5 Applications examples").
6.1.3.1 Single measurement
The measurement result remains frozen until a new action is initiated.
Enable
OUT 0
IN 0,2-8
Measurement Start
IN 1
0-Sheet
OUT 3
1-Sheet
OUT 2
2-Sheet
OUT 1
*t
: The system reaction time is the time required by the unit in order to issue the result to the output after
S
the signal "Measurement Start" has been recognized (see sensor data for FE and NF material, chapter 2.2
and 2.3).
Attention: In the relay output version the status of the outputs appears delayed (<10 ms),
due to the switching time of the relays.
Note:
High Level at the outputs means relay closed respectively opto coupler low resistant.
Low Level at the outputs means relay open respectively opto coupler high resistant.
Note:
Only for FE material (not for NF and LM): If several measurements are executed
consecutively, the measuring operation time should not exceed 10 seconds. It is
advisable to keep a recovery time of at least twice the measuring operation time.
Example: 10 measurements within 1 second, then 2 seconds of recovering time. If the
recovery time is less than twice the measuring time, the sensor will warm up and the
measuring value will drift.
ROLAND ELECTRONIC GMBH · Otto-Maurer-Str. 17 · D-75210 Keltern · Telefon (0049) (07236) 9392-0 · Telefax (0049) (07236) 9392-33
OPERATING INSTRUCTIONS
DOUBLE SHEET DETECTOR R1000 UDK20
1
min.
max.
30ms
30ms
min. 30ms
2
3
System reaction time t
4
5
Page 65
*
S
6
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