Honeywell DR4500A, Product Manual, Page: 151 / 266

Operation - Using Two Sets of Tuning Constants (PID Values)
Release M DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual 137
April 2017
Table 5-20 Procedure for setting switchover values
Step Operation Press Action/Result
1
Select switchover value
function
FUNC
assuming you
are still in Set Up
group CONTROL
Until you see:
Upper Display: The switchover value
Lower Display: SW VALUE
▲
or
▼
Select the switchover value in the upper display.
Set Tuning constant values for each set
There are specific tuning constants that must be set for each set. The procedure in
79H
Table 5-21 shows you
how to access these constants and change their values.
Table 5-21 Procedure for setting tuning constant values
Step Operation Press Action/Result
1
Select Tuning Set Up
group SET
UP
Until you see:
Upper Display: SET UP
Lower Display: TUNING
2
Select the tuning
constants FUNC Successively displays the following constants:
Upper Display: Tuning constant value
Lower Display: PROPBD or GAIN*
RATEMIN*
RSETMIN or RSETRPM*
PROPBD2 or GAIN2**
RATE2MIN**
RSET2MIN or RSET2RPM**
*PIDSET1
– will be used when PV or SP, whichever is
selected, is greater than the switchover value.
**PIDSET2
– will be used when PV or SP, whichever is
selected, is less than the switchover value.
▲
or
▼
Change the value of any of the above listed prompts in
the lower display.