Mitsubishi Electric MELSEC iQ-R Series Introduction Manual page 34

4.
Set "Condition" to "Virtual input".
For the virtual input port No., select a number within 1 to 32.
5.
Set the video recording period of the camera video.
The video recording period can be selected from two settings.
Setting
(1) Recording the camera video before and after the video recording trigger
(2) Recording the camera video while the video recording trigger is ON
4 CAMERA RECORDING FUNCTION
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4.1 Network Camera Setting
Description
Configure the following three settings.
• Select "Record video".
• Set the video recording time (second) before event occurrence in "Prebuffer".
• Set the video recording time (mm:ss) after event occurrence in "Postbuffer".
Select "Record video while the rule is active".