IMP-400UHD User Guide
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8.6 Contact input
[Fig. 8.14] CONTACT menu
[Table 8.8] Sub menu and feature
Sub menu
Feature
Page
CHATTERING FILTER
8.6.1 Chattering reduction
Menu
CONTACT
→
CHATTERING FILTER
Setting value 0 to 300: 0 ms to 300 ms [Default] 30 ms
Communication Command
@GFP / @SFP CHATTERING REDUCTION TIME OF CONTACT INPUT
Chattering is an undesirable phenomenon caused immediately after contact of relay or switch is switched.
You can set the chattering reduction time.
If the IMP is unstable due to chattering, set the reduction time longer.
Contact input terminal
Ｈ
L
Ｈ
Contact ON time
Controlling reading contact information
Chattering reduction period
(Contact information is ignored)
Reading contact information
(Since contact input is open (H), nothing is
controlled)
Chattering reduction period
(Contact information is ignored)
[Fig. 8.15] Chattering reduction
