Configuration, Startup, and Operation
of Recorder with Display
4/00 DR4300 Circular Chart Recorder Product Manual 101
Tuning group prompts
Table 4-10 lists all the parameters in the tuning set up group.
For a 2-pen recorder, the desired input channel is displayed on the left side of the operator interface. Press
FUNC
to select channel.
Press SETUP
key until “TUNING” appears in the lower display.
Press FUNC
key to select the parameters.
ATTENTION
Appendix D contains instructions for using Accutune II for automatic tuning.
Table 4-10 Tuning Parameter Definitions
Lower Display
Prompt
Upper Display
Range of Setting
or Selection
Parameter
Definition
FUZZY
DIS [factory setting]
ENAB
FUZZY OVERSHOOT SUPPRESSION FEATURE
DISABLE—Disables fuzzy overshoot suppression
ENABLE—The recorder will use fuzzy logic to suppress
or mimimize any overshoot that may occur as a result of
the existing tuning parameters. It does NOT change the
parameters.
TUNE
DIS [factory setting]
ENAB
ACCUTUNE II—On demand tuning algorithm
DISABLE—Disables ACCUTUNE II
ENABLE—TuneOF will be displayed as a status
message. Use the Increment or Decrement key to
toggle status to TuneON. New PID parameters will be
entered automatically when tuning is complete.
AT ERR
no message under normal
circumstances
AbRT read only message
displayed if tuning has been
manually aborted
ACCUTUNE II Error Code—Displays AbRT if “TUNE”
has been aborted manually.
See Appendix D.
PB
or
GAIN
0.1 % to 999.9 %
or
0.1 to 999.9
[factory setting = 1.0]
PROPORTIONAL BAND or GAIN—Which of these
prompts is displayed depends on the selection made for
control group parameter “PBorGN” (proportional band or
gain). Both proportional band and gain are ways of
expressing the proportional component of control. See
the description of control group parameter “PBorGN” for
details concerning the two terms.
ATTENTION
If control group parameter “OUTALG”
is “RLYD” (relay duplex), “Tcur” (time/current duplex), or
“CurT” (current/time duplex), and you are using the
recorder in a heat/cool application, PB or GAIN is used
for heat control. Cooling control would use PB2 or GAIN
2 described later in this table.
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