Dwyer 16A User Manual
Page 23
sec-
es
f
nd
ts
g
L
.
e
put
A
and
nd
SP
(Option 948, 4-Stage Set Point) Active Set Point Stage. Select
1SP1
,
25P1
,
35P1
,
45P1
. (See Page 17 for more detail.)
1SP1
Set Menu Items to display Stage 1 for view and change access. If
SPSA
is set for
1nt
,
1SP1
is made active.
25P1
Set Menu Items to display Stage 2 for view and change access. If
SPSA
is set for Int,
25P1
is made active.
35P1
Set Menu Items to display Stage 3 for view and change access. If
SPSA
is set for Int,
35P1
is made active.
45P1
Set Menu Items to display Stage 4 for view and change access. If
SPSA
is set for
1nt
,
45P1
is made active.
#
SP1
(Option 948, 4-Stage Set Point) Adjust Control Point 1 for Stage selected
above.
Note: The menu items for
tunE
(below) are modified when Option 948 is active.
Then, the menu items are shortened or shifted right, and preceded with the stage
number selected in
SP
above. Each stage has its own set of
tunE
parameters as
indicated by #
tun
.
#
tun
(Option 948, 4-Stage Set Point) or
tunE
Tuning Choice: Select
SELF
,
Pid
,
SL0, nor
, or
FASt
.
SELF
The Controller will evaluate the Process and select the PID values
to maintain good control. Active for SP1 only.
LErn
Select
YES
or
no
YES
Start Learning the Process. After the process has
been learned the menu item will revert to
no
.
no
Learning will stay in present mode.
dFAC
Damping factor, select
0FF
,
1
to
7
. Sets the ratio of Rate
to Rate for the
SEL tunE
mode.
7
= most Rate. Factory set
to
3
. For a fast response process the value should be low-
ered (less Rate). For a slower process the value should be
increased (more Rate).
Pid
Manually adjust the PID values. PID control consists of three basic
parameters, Proportional Band (Gain), Reset Time (Integral), and
Rate Time (Derivative).
Pb1
Proportional Band (Bandwidth). Select
1
to
9999
°F, °C,
or counts.
Pb2
Proportional Band (Bandwidth). Select
1
to
9999
°F, °C,
or counts. Appears only if control is equipped with second
set point and
0ut2
is NOT selected as
0n0F
.
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