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116 UDC 6300 Process Controller Product Manual 1/03

4.12 Control2 Parameters Set Up Group

Introduction

The functions listed in this group deal with how Loop 2 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.

Control2 group

prompts

Table 4-11 lists all the function prompts in the Control2 setup group and

their definitions.

Table 4-11 Control2 Group Definitions

Lower Display

Prompt

Upper Display

Range of Setting

or Selection

Parameter

Definition

PV2 SRC

INPUT 1

INPUT 2

INPUT 3

INPUT 4

INPUT 5

IN ALG 1

IN ALG 2

PROCESS VARIABLE 2 SOURCE - select the

source of the Process Variable for Loop 2.

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

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 SET3"

or “PID SET4” to switch between sets. Configure the

values for:

Gain#3, Rate#3 , Reset#3, Cycle3Time

Gain #4, Rate #4, Reset#4, Cycle#4 Time

See Subsection 5.10 for procedure.

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 Gain3, Rate3, Reset3,

and Cycle 3Time. 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 #4, Rate #4, Reset #4, and Cycle #4 Time. The

active PID SET can be read in the lower display.

Other prompts affected: SW VALUE

Table 4-11 continued on next page

1 2 ... 125 126 127 128 129 130 131 132 133 134 135 ... 301 302

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