KEYENCE IV Series - Manual (Page 236)

7-6 - IV Series User's Manual (Monitor) -
Importing the Status Output
Changing the timing of the status output
The timing of status output can be selected from the [Latching] which links to judgment and [One-Shot]
which outputs for a certain time. For details on settings, refer to “Output Settings” (Page 6-27).
BUSY output
Status output
(Latching output)
Status output
(One-Shot output)
Status result of Trigger 1 Status result of Trigger 2
Previous status result Status result of Trigger 1 Status result of Trigger 2
Delay time Delay time One-Shot ON Time One-Shot ON Time
External trigger/Internal
trigger
Min 0.2 ms
ON
OFF
ON
OFF
ON
OFF
Trigger 1 Trigger 2
y In case of [Latching], updates the output by linking with judgment.
y In case of [One-Shot], outputs in a set amount of time after the set delay time is passed.
y When the program number is switched or the external master image is registered, the status output turns
OFF before each process is completed.
Cancelling One-Shot output
To use the One-Shot output function, the following condition needs to be met.
Trigger input interval (Trigger interval) > One-Shot ON Time
If the above is not met, the following One-Shot output that occurs during the One-Shot outputting is
cancelled and is not output.
Trigger input interval
One-Shot ON Time
Judgment process
Internal process of Trigger
2
Internal process of Trigger
1
BUSY output
Status result of Trigger 1
Status result of Trigger 1 (internal)
Status result of Trigger 2 (internal)
One-Shot ON Time
Delay time
Delay time
Delay time One-Shot ON Time
(1)
(2)
(3)
External trigger/Internal
trigger
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Trigger 1 Trigger 2
(1) This is an example of what happens when the trigger input interval is shorter than the One-Shot ON Time.
(2) To perform the One-Shot output and output the status result of Trigger 1, the previous One-Shot output
is completed, so that outputting can be performed normally.
(3) To perform One-Shot output and output the status result of Trigger 2, the One-Shot output of Trigger 1
is output. Therefore, the output status of Trigger 2 will be cancelled and it will not be output.
y If the BUSY time is not constant, meet the following condition to use it. The system might be affected by
a fluctuating BUSY time.
BUSY time + Trigger input interval (Trigger interval) > BUSY time + One-Shot ON Time
7
Controlling with the Input/Output Line