IDEC High Performance Series - Manual (Page 1239)

WindO/I-NV2 User’s Manual 29-5
2 Digital I/O Units
29
Expansion Modules
Writing to an external output
■ Output refresh
Outputs are refreshed every 10 ms independent of the screen scan.
HG Digital Output (LEY) are reflected in the digital I/O unit.
■ Output delay
The min-to-max delay time for HG Digital Output (LEY) to fire from the digital I/O unit is 1 ms to 11 ms. This does not
affect the display processing
Control processing
Digital I/O unit output
Output
refresh
LEY
LEY
Y
10 ms
Output
refresh
10 ms
Output
refresh
10 ms
Scan time
Output
delay
Output
delay
Start of scan
Display
processing
1 scan
External output
Y
External output
HG Digital
Output
HG Digital
Output
End of scan
The maximum output delay is 11 ms, which is the operating time of
the output refresh.
LEY
Y
Output
refresh
Output delay
(maximum)
HG Digital
Output
External output