Using Two Sets Of Tuning Constants; Table 4-16 Set Up Procedure - Honeywell UDC3500 Product Manual

Monitoring and Operating the Controller
Set Up Group "ACCUTUNE"
Function Prompt "FUZZY"
Select "ENABLE" or "DISABLE" – Use

4.12 Using Two Sets of Tuning Constants

Introduction
You can use two sets of tuning constants for single output types and choose the way they
are to be switched. (this does not apply for Duplex control, which always uses two PID
sets).
The sets can be:
• keyboard selected,
• automatically switched when a predetermined process variable value is reached,
• automatically switched when a predetermined setpoint value is reached.
Set up Procedure
The following procedure (Table 4-16) to:
• select two sets,
• set the switch-over value,
• set tuning constant value for each set.
Step Operation
1 Select Control
Set-up Group
Select PID SETS
2
3 Select PID SETS
Function
214

Table 4-16 Set Up Procedure

Press
Setup Until you see:
Upper Display = SET
Lower Display = CONTROL
Until you see:
Func
Upper Display = (available selections)
Lower Display = PID SETS
To select the type of function. Available selections are:
or
1 ONLY—1 set of constants
2KEYBD—2 sets, keyboard selectable
2PV SW—2 sets, auto switch at PV value
2SP SW—2 sets, auto switch at SP value
UDC3500 Universal Digital Controller Product Manual
or .
Result
3/07