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MELSEC-Q
3 SPECIFICATIONS
3.5.21 Primary delay digital filter setting (buffer memory address 48, 80: Un\G48, Un\G80)
(1) The primary delay digital filter is designed to absorb sudden changes when the
process value (PV) is input in a pulse format.
t
t
Process value
Process value
(2) As the primary delay digital filter setting (filter setting time), specify the time for
the PV value to change 63.3%.
When setting 0, the primary delay digital filter turns OFF.
Process value
Control PV value
Primary delay digital filter setting
63.3%