System Test - Roland R1000 Series Manual

B0046991 / Rev. 1.6
6.3.1

System test

The System test must be performed before each measuring cycle.
All outputs (also the Enable) are activated for the duration of the systems test. After the test all
activated signals are reversed again.
IN0-4, 6-8
IN5
OUT0
OUT3
OUT2
OUT1
Check whether the output OUT0 "Enable" has been switched to HIGH (ready for operation), otherwise there is a fault
condition.
Before performing a System test all inputs must be switched to LOW for >30 milliseconds.
Switch the input IN5 "System test" to HIGH.
Within 30 milliseconds switch the output OUT0 "Enable" to LOW and outputs OUT1-3 to HIGH.
Switch Input IN5 "System test" to LOW.
Now the unit performs an internal Systems test. After <= 100 ms output OUT0 "Enable" is switched to HIGH, outputs
OUT1-3 are switched to LOW. The interrogation of the status is not possible under the systems configuration
"Measurement internal" because measurement starts automatically after the completion of the tests. For this reason the
control unit has be configured for "Measurement external".
Example:
Check whether the output OUT0 "Enable" has been switched to HIGH.
All inputs should be on LOW for more than 30 milliseconds.
Then switch input IN5 to HIGH.
After >30 milliseconds output OUT0 "Enable" has to been switched to LOW, outputs OUT1-3 to HIGH.
Then switch input IN5 "System test" to LOW.
After >100 milliseconds output OUT0 "Enable" has to been switched to HIGH, outputs OUT1-3 to LOW.
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 E20
Systemtest
Enable
0-sheet
1-sheet
2-sheet
1
>30ms
2
Manual
<=30ms
4
>30ms
3 5
Communication with the PLC
<=100ms
6
81