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Configuration
Tuning Parameters Set Up Group
Release M
DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
69
April 2017
3.11 Tuning Parameters Set Up Group
Introduction
These Tuning Set Up groups contain the Function parameters that will allow your recorder to respond
correctly to changes in process variable or setpoint. You can start with predetermined values but you will
have to watch your process to determine how to modify them.
Function prompts
Table 3-8 lists all the function prompts in the Tuning 1 or Tuning 2 Set Up groups. How the “Control” Set
Up group is configured determines which prompts will appear.
Table 3-8 Tuning 1 or Tuning 2 group function prompts
Function Prompt
Lower Display
Function Name
Selections or Range of Setting
Upper Display
Factory
Setting
FUZZY
Fuzzy Overshoot
Suppression
DISABL
ENABLE
DISABL
ACCUTUNE
Accutune II for Control Loop
DISABL
ENABLE
DISABL
AT ERR
Accutune Error Codes
No message under normal conditions
Read Only message displayed if tuning has
been manually aborted
––
PROP BD
or
GAIN
Proportional Band
or
Gain
0.1 to 1000%
0.1 to 1000
1.0
RATE MIN
Rate in minutes
0.00 to 10.00 minutes
0.00
RSET MIN
or
RSET RPM
Reset in minutes/repeat
or
Reset in repeats/minute
0.02 to 50.00
0.02 to 50.00
1.0
1.0
MAN RSET
Manual Reset
–100 to 100% output
0.0
PROP BD2
or
GAIN 2
Proportional Band 2
or
Gain 2
0.1 to 1000%
0.1 to 1000
5.0
RATE2MIN
Rate 2 in minutes
0.08 to 10.00 minutes
0.00
RSET2MIN
RSET2RPM
Reset 2 in minutes/repeat
Reset 2 in repeats/minute
0.02 to 50.00
0.02 to 50.00
0.2
0.2
CYC SEC
Cycle Time (Heat)
Electromechanical Relays
1 to 120 seconds
20.0
CYC2 SEC
Cycle Time 2 (Cool)
Electromechanical Relays
1 to 120 seconds
20.0