Using output signal timing data (cont’d) – Rockwell Automation 5370 CVIM Communications Manual User Manual

Page 26

Chapter 3

Using Local I/O

3–7

In Figure 3.3, trigger pulse #2 occurs before the CVIM module has finished
processing the inspection cycle started by trigger pulse #1.

Figure 3.3
Timing Diagram — Trigger #2 During Data Valid, Pulsed I/O

You can select
a pulse width of
1 to 2000 ms

Min. Strobe

≈

1ms

Min. trigger

≈

2ms*

MODULE

BUSY

***

Trigger

pulse #1

Trigger

pulse #2

Trigger

(Input)

STROBE

DATA

VALID

RESULTS

Max. lag

≈

1ms

** 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

***

****RESULTS will pulse high if an analysis tool range is exceeded.

For Trigger #2

For Trigger #3

Using Output Signal
Timing Data (cont’d)