
170 UDC 6300 Process Controller Product Manual 1/03
5.10 Using Two Set of Tuning Constants, Continued
Set switchover value
If you select 2 PVSW or 2 SPSW, you must set a value at which the sets
will switch over.
The procedure in Table 5-20 shows you how to set this value.
Table 5-20 Procedure for Setting Switchover Values
Step Operation Press Action
1
Select
Switchover
value function
FUNC
L1/L2
assuming you
are still in Set
Up group
”CONTROL”
Until you see:
Lower Display
Upper Display
SW VALUE
The switchover
value
or
to select the switch-over 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 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
1
Select Tuning
Set Up Group
SET
UP
Until you see:
TUNING
Lower Display
SET UP
Upper Display
2
Select the
tuning
constants
FUNC
L1/L2
to successively display the following
constants:
Lower Display
Upper Displa
The tuning constant
value
PROP BD or GAIN*
RATE*
RSET*
CYCLE
PROP BD2 or GAIN2**
RATE 2**
RSET2**
CYCLE2
or
To change the value of any of the above
listed prompts in the lower display.
*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.
Continued on next page
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