Rockwell Automation 5370 Color CVIM Communications Manual - Manual (Page 28)

Chapter 3
Using Local I/O
3–8
In Figure 3.3, trigger pulse #2 occurs before the Color CVIM module has
finished the pulsed output duration of the outputs from trigger #1.
Figure 3.3
Timing Diagram — Trigger #2 During Data Valid, Pulsed I/O
Strobe
≈
2ms
Min. trigger ≈ 2ms*
MODULE
BUSY
** ***
** ***
** ***
Trigger
pulse #1
Trigger
pulse #2
Trigger
(Input)
STROBE
DATA
VALID
RESULTS
MASTER
RANGE
Max. lag
≈
1ms
* As seen by the Color CVIM when the trigger is directly connected through the JMB
board, and not provided by a host device.
** Minimum acquisition time: 17ms for 256x256 and 512x256 Res; 34 ms for 512x512 res.
*** Analysis time (variable).
DATA VALID will always pulse high when
inspection processing is complete
Trigger
pulse #3
For Trigger #1
**** **** ****
You can select
a pulse width
of 1 to 2000 ms
****RESULTS will pulse high if an analysis tool range is exceeded.
Using Output Signal
Timing Data (cont’d)