Festo SBO***-Q Series, Manual

Page: 104 / 256

4. Commissioning
4-42
Festo P.BE-SBO-Q-EN en 1602e
Signal curve using system parameters
The signal curve with use of system parameters in the “Fixed
frame rate” evaluation mode could appear as follows.
Img.1 Image creat.
corresp. to cycle Img.2 Image creat.
corresp. to cycle Img.3 Image creation
corresponds to cycle
Cycle duration
Constant Cycle duration
Constant Cycle duration
Constant
Permanent trigger
Img.1
short eval.
Img.3 Short
image evaluat.
Outputs
write Outputs
write
Img.1
Output Img.2
Output Img.3
Output
Outputs
write
Img.2 Long
image evaluation
Wait until end
Wait
to end
Wait until
end
I0
O0
Power
Internal outputs O1, O2, LED D
Output invalid
Trigger ignored,
wait for O0=1
Wait until last
evaluation completed
Actual (asynchronous) image ev
aluation
1
1 1
1
1
1
2 2 2
Fig. 4/13: “Fixed frame rate” evaluation mode – signal curve using system parameters
Settings of the system parameters:
1
Earliest start of output after cycle start
= 300 ms
2
Cycle duration =220 ms