Roland R1000 Series Manual page 100

Communication with the PLC
6.5.4 Start single measurement via external input
Measurement start
Sensor selection A/B
Sensor selection A/B
Function result)
Function fault
(0-sheet, 1-sheet, 2-sheet)
(0-sheet, 1-sheet, 2-sheet)
Fig. 52: Timing diagram for Start single measuring via external inputs
t : System reaction time = Measuring time ( see chapter 2.4)
s
1)
In case of "Function fault" = 1 "Function result" will sometimes remain at 0.
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100
Double Sheet Detector R1000 series E20
with integrated fieldbus interface
IN / BIN
BIN
BOUT
BOUT
1)
BOUT
BOUT
Ready
OUT
BOUT
Note The operation of the individual measurement, which is initiated via the
external input, can be controlled via the process channel, see section
"6.3.2 Start single measurement via process channel". If no control is
done via the process channel, then the measurement operation must be
controlled by the signal "ENABLE", see section "6.5.2 Signal ENABLE".
Note 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.
Manual
"1" in case of fault
"0" in case of fault
„0" active
„0" active
t
< 5ms
s
B0046191 / Rev. 1.12
< 10ms