Set the input edge.
30.5.11.1 Input Edge - Pulse Catch (LT Series)
See "Special I/O state" for acknowledgment.30.5.11.2 Pulse Catch Input Status - Pulse Catch (LT Series)
Pulse catch is a feature that imports pulse signals that are shorter than the logic scan time. You can import pulses longer than 10 microseconds (ON for more than 5 microseconds).
You can use up to 4 channels for setting the pulse catch and each channel can have respective settings.
Summary
The procedure for setting the pulse catch is summarized below.
Set the input edge.30.5.11.1 Input Edge - Pulse Catch (LT Series)
See "Special I/O state" for acknowledgment.30.5.11.2 Pulse Catch Input Status - Pulse Catch (LT Series)
Part of the settings can also be set up with logic program I/O driver instructions.31.23 I/O Driver Instructions
When you want to clear the pulse catch, see the following.30.5.11.3 Pulse Catch Clear - Pulse Catch (LT Series)