Roland R1000 Series Manual page 86

Communication with the PLC
6.3.5 System test
The system test should be performed before each measuring cycle.
(Warning, 0-sheet, 1-sheet, 2-sheet)
OUT 0 to OUT 3 + OUT 4
( Warning, 0-sheet, 1-sheet, 2-sheet)
Fig. 46: Timing diagram for system test
1)
In case of "Function fault" = 1 "Function result" will sometimes remain at 0.
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
86
Double Sheet Detector R1000 series E20
with integrated fieldbus interface
BIN 8.0
System test
BIN 10.6 to 10.7
Sensor selection A/B
BOUT 10.6 bis 10.7
Sensor selection A/B
BOUT 8.0
1)
Function result
BOUT 8.2
Function fault
BOUT 8.3
Ready
BOUT 8.4 to 8.7
OUT 3
ENABLE
Note The measured timing periods were determined with 12 Mbit- Profibus.
These timing periods can vary with different transmission rates and bus
systems. The cycle time of the PLC has not been taken into account.
Manual
„1" if fault
0V if fault
B0046191 / Rev. 1.12
< 10ms