Using output signal timing data (cont’d) – Rockwell Automation 5370 Color CVIM Communications Manual User Manual
Page 29
Chapter 3
Using Local I/O
3–9
Whenever these signals go high, they will go low again at the end of the
specified pulse duration (1 to 2000ms).
In Figure 3.4, the Data Valid, and Results signals appear as changes in signal
levels. This will occur if, during system configuration, you select a pulse
“duration” of 0 (zero) milliseconds. Data Valid will stay high until the
leading edge of the next valid trigger signal (Trigger Pulse #2). Results stay
in their current state until the leading edge of the next Trigger pulse, then
change depending upon the results.
Figure 3.4
Timing Diagram — Non–Pulsed I/O
DATA VALID will go high when inspection proc-
essing is complete, and will go low with the
leading edge of the next valid trigger.
MODULE
BUSY
*
**
*
**
*
**
Trigger
pulse #1
Trigger
pulse #2
Trigger
(Input)
STROBE
DATA
VALID
RESULTS
MASTER
RANGE
RESULTS signal will go
high if an analysis tool
range limit is exceeded.
MASTER RANGE signal
will go high if any tool de-
tects a failure condition.
*Minimum acquisition time: 17ms for 256x256 Res.; 34ms for 512x512 Res.
**Analysis time.
Using Output Signal
Timing Data (cont’d)