Chapter Six: Operation in Tuning Mode
General Information
151
Chapter Six: Operation in Tuning Mode
General Information
Tuning Mode is available only if a Control board is installed (in which case, a valve control
legend such as
HOLD
, is displayed). Press the [
DISPLAY MODE
] key twice from Normal Mode
to scroll to Tuning Mode. The word
TUNING
appears in small letters above the main display.
Figure 41: Tuning Mode - Original Display, page 152, shows a sample window for Tuning
Mode. Tuning Mode allows for fine tuning of seven valve control parameters. Of these seven
parameters, three are included in recipes (
GAIN
,
LEAD
, and
SET POINT
), and four are
independent valve control parameters (
BASE
,
START
,
INTEGRAL
, and
PRESET
).
The three control parameters
GAIN
,
LEAD
, and
SET POINT
are associated in a recipe. The
default values in these recipes are:
GAIN
10
LEAD
1.5 seconds
SET POINT
0
By changing these default values, you can match the best lead and gain parameters with different
set points. In addition, you can associate each recipe with a different control channel (refer to
Code 14x: How To select Polarity and the Control Channel, in the Operation in Setup Mode
chapter). In this way, a multi-stepped process can be easily implemented with a predefined
recipe (refer to How To Select the Active Recipe in the Operation in Control Mode chapter).
In addition to these seven valve control parameters, there are several more are accessible from
Setup Mode. Refer to Code 4 (Alpha), Code 13x (Softstart), Code14x (Polarity and Control
Channel), and Code 15x (Analog Set Point), in the Operation in Setup Mode chapter for more
information about these additional valve control parameters.
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