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1/03 UDC 6300 Process Controller Product Manual 111

4.11 Control Parameters Set Up Group

Introduction

The functions listed in this group deal with how the Single Loop Process

Controller or Loop 1 of a Two Loop Process controller will control the

process including: PV Source, Number of tuning parameter sets, Setpoint

source, Tracking, Power-up recall, Setpoint limits, Output direction, rate

and limits, Dropoff, Deadband and Hysteresis.

Control group

prompts

Table 4-10 lists all the function prompts in the Control setup group and

their definitions.

Table 4-10 Control Group Definitions

Lower Display

Prompt

Upper Display

Range of Setting

or Selection

Parameter

Definition

PV SOURCE

INPUT 1

INPUT 2

INPUT 3

INPUT 4

INPUT 5

IN ALG 1

IN ALG 2

PROCESS VARIABLE SOURCE - select the

source of the Process Variable.

INPUT 1

INPUT 2

INPUT 3

INPUT 4

INPUT 5

INPUT ALGORITHM 1

INPUT ALGORITHM 2

PID SETS

NUMBER OF TUNING PARAMETER SETS — This

selection lets you choose one or two sets of tuning

constants (gain, rate, and reset).

1 ONLY

ONE SET ONLY — Only one set of tuning

parameters is available. Configure the values for:

Gain (proportional band),

Rate,

Reset Time, and

Cycle Time (if time proportional is used).

2KEYBD

TWO SETS KEYBOARD SELECTABLE — Two

sets of tuning parameters can be configured and can

be selected at the operator interface or by using the

Digital Inputs.

Press LOWR DISP

key until you see "PID SET1"

or “PID SET2” to switch between sets. Configure the

values for:

Gain, Rate , Reset, Cycle Time

Gain #2, Rate #2, Reset#2, Cycle#2 Time

See Subsection 5.10 for procedures.

2PV SW

TWO SETS PV AUTOMATIC SWITCHOVER —

When the process variable is GREATER than the

value set at prompt "SW VALUE" (Switchover

Value), the controller will use Gain, Rate, Reset, and

Cycle Time. The active PID SET can be read in the

lower display.

When the process variable is LESS than the value

set at prompt "SW VALUE," the controller will use

Gain #2, Rate #2, Reset #2, and Cycle #2 Time. The

active PID SET can be read in the lower display.

Other prompts affected: SW VALUE

Table 4-10 continued on next page

1 2 ... 120 121 122 123 124 125 126 127 128 129 130 ... 301 302

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