May, 2013
Page 28 of 52
949-1194 Rev. 7
A r t E
Approach Rate Time: Select
O F F
,
0 . 0 1
to
9 9 . 9 9
minutes. The function defines
the amount of Rate applied when the input is outside of the Proportional Band.
The
A r t E
time and the
r t E
time are independent and have no effect on each
other. To increase damping effect and reduce overshoot set the approach rate
time for a value greater than the natural rise time of the process (natural
rise time = process value time to set point).
F i n t
Fuzzy Logic Intensity: Select
0
to
1 0 0
%. 0% is OFF (disables Fuzzy Logic). The
function defines the amount of impact Fuzzy Logic will have on the output.
F b n d
Fuzzy Logic Error Band: Select
0
to
4 0 0 0
°F, °C, or counts. Sets the bandwidth
of the Fuzzy Logic. Set
F b n d
equal to PID proportional band (
P b 1
) for best
results.
F r t E
Fuzzy Logic Rate of Change: Select
0 . 0 0
to
9 9 . 9 9
counts/second. For best initial
setting, find the counts/second change of process value near Set Point 1 with
output ON 100%. Multiply this value by 3. Set
F r t E
to this calculated value.
P E A
The Peak feature stores the highest input the control has measured since the last
reset or Power On. At Power On
P E A
is reset to the present input. To manually
reset the value
P E A
must be in the lower display. Press the
ENTER
key to
reset.
P E A
will be reset and display the present input value.
U A L
The Valley feature stores the lowest input the Instrument has measured since the
last reset or Power On. At Power On
U A L
is reset to the present input. To
manually reset the value
U A L
must be in the lower display. Press the
ENTER
key.
U A L
will be reset and display the present input value.
P c t O
Percent Output Feature: Select
O n
or
O F F
.
O n
When selected
O n
, the HOME lower display will indicate the output of
the controller in percent. The “%” indicator lamp will light and an
“ o ”
will
appear in the right hand side of the lower display to indicate percent
output for SP1. An “
õ
” will appear on the right hand corner of the lower
display to represent percent output for SP2, if the control is so
equipped. The display will alternate between these values.
O F F
Percent Output display is disabled.
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