Manual
Double Sheet Detector R1000 series E20
with integrated fieldbus interface
Communication with the PLC
B0046191 / Rev. 1.12
86
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
6.3.5 System
test
The system test should be performed before each measuring cycle.
Fig. 46: Timing diagram for system test
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.
1)
In case of “Function fault“ = 1 “Function result“ will sometimes remain at 0.
< 10ms
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
Function result
1)
BOUT 8.2
Function fault
BOUT 8.3
Ready
OUT 0 to OUT 3 + OUT 4
(
0-sheet, 1-sheet, 2-sheet)
Warning,
BOUT 8.4 to 8.7
(Warning, 0-sheet, 1-sheet, 2-sheet)
OUT 3
ENABLE
„1” if fault
0V if fault
