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DIGITAL PID CONTROLLER
30
5) Input function
(1) Digital input filter (_FLT)
(2) Input value correction (_INS)
This function is useful when suboptimal environments cause noises or severe
fluctuations, enabling a digital software filter. The filter's sensitivity may be set
from off to 1~120 seconds. Please be careful when using this function, as it
may affect the control-related algorithms.
This function allows the input values to be compensated. This function is
useful, for example, when sensors cannot be placed at desired locations, or
when several different thermometers are used in conjunction. The values may
be compensated to extent desired by the user.
This applies only when using voltage inputs (DC V, mV) or currents between
4 to 20mA (1~5V). The user may set ranges, units and decimal point
position as desired. This can be used not only for temperatures but also for
a number of other measurements, including humidity, pressure, and weight.
(3) Correcting upper limit of input vlaue(_ING)
(4)
Setting decimal point position (_DPP), and free scale high and low limits (SL-H, SL-L)
Use only in voltage input(current 4-20mA) mode. This can accurately correct
the deviation occurred by output error of sensor module and an error of
conversion resistance (250
Ω
).
Ex.)
When using DC 4~20mA input, the lower value, 4mA can be corrected
at "_INS" mode and higher value, 20mA corrected at "_ING" mode.
To have more accurate correction, firstly set the lower value at "_INS" mode
and then set the higher value at "_ING" mode. T30 series offers the powerful
correction function with 4-20mA conversion resistance (250
Ω
) at competitive
prices.
Free Scale Area
[ 4~20mA INPUT ]
(Maximum)
(Minimum)
_IN.G
_IN.S
(_SL.L)
(_SL.H)
20.0
16.0
12.0
50.0
100.0
8.0
4.0
0
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