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Honeywell UDC2500 User Manual

Page 76

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Configuration

62

UDC2500 Universal Digital Controller Product Manual

4/07

Function Prompt

Lower Display

Selection or Range of Setting

Upper Display

English

Numeric

Code

English

Numeric

Code

Parameter

Definition

2 PR

2

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.

ATTENTION Other prompts affected: SW
VALUE

2 SP

3

TWO SETS SP AUTOMATIC
SWITCHOVER
—When the setpoint is
GREATER than the value set at prompt SW
VALUE (Switchover Value), the controller will
use Gain, Rate, Reset, and Cycle.

When the setpoint is LESS than the value
set at prompt SW VALUE, the controller will
use Gain #2, Rate #2, Reset #2, and Cycle
#2.

ATTENTION Other prompts affected: SW
VALUE

SW VAL

802

Value in
engineering units
within PV or SP
range limits

AUTOMATIC SWITCHOVER VALUE—This
is the value of Process Variable or Setpoint
at which the controller will switch from
Tuning Constant Set #2 to Set #1.

ATTENTION Only appears when PID
SETS selection is configured for either 2
PVSW or 2 SPSW.

LSP’S 803

LOCAL SETPOINT SOURCE—This
selection determines what your local setpoint
source will be.

ONE 0

LOCAL SETPOINT—The setpoint entered
from the keyboard.