Primary Delay Digital Filter - Mitsubishi Electric MELSEC iQ-R Series User Manual

1.20

Primary Delay Digital Filter

By setting the primary delay digital filter, a temperature process value (PV) with smoothed transient noise can be output.
When the primary delay
digital filter is not set
When the primary delay
digital filter is set
Set the time for the temperature process value (PV) to change by 63.3% in the primary delay digital filter.
Temperature
process value (PV)
When the primary delay
digital filter is not set
Temperature
process value (PV)
When the primary delay
digital filter is set
(1) "Primary Delay Digital Filter Setting" in "Application Setting"
Setting method
Configure the setting as follows:
[Navigation window]  [Parameter]  Target module  [Application Setting]  [Primary Delay Digital Filter Setting]
Ex.
The following shows the temperature of when 3 (3s) has been set for "Primary Delay Digital Filter Setting" in "Application
Setting" and the temperature process value (PV) is changed from 250.0 to 260.0.
Temperature input value
262.0
260.0
258.0
256.0
254.0
252.0
250.0
0 3
The temperature reaches 256.3 that is 63.3% of the temperature process value (PV) in three seconds after the temperature
input value has reached 250.0.
Temperature
process value (PV)
Temperature
process value (PV)
63.3%
(1)
Measured temperature value(PV)
Elapsed time (s)
Time
Time
Time
Time
1 FUNCTIONS
1.20 Primary Delay Digital Filter
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