Configuration

Function Prompt

Selection or Range of Setting

Parameter

Lower Display

Upper Display

Definition

English

Numeric

English

Numeric

 

 

Code

 

Code

 

 

 

ARSP

2

AUTOMATIC MODE, LAST RSP—At

 

 

 

 

power-up, the controller will use automatic

 

 

 

 

mode with the last remote setpoint used

 

 

 

 

before power down displayed.

 

 

AMSP

3

LAST MODE/LAST SETPOINT used before

 

 

 

 

power down.

 

 

AMLS

4

LAST MODE/LAST LOCAL SETPOINT on

 

 

 

 

power down.

PWROUT

807

 

 

THREE POSITION CONTROL STEP

 

 

 

 

OUTPUT START-UP MODE—This selection

 

 

 

 

determines what position the motor will be in

 

 

 

 

when powered up or in the failsafe position.

 

 

LAST

0

LAST OUTPUT—At power-up in automatic

 

 

 

 

mode, the motor position will be the last one

 

 

 

 

prior to power down. When the unit goes into

 

 

 

 

FAILSAFE, it will stay in automatic mode;

 

 

 

 

motor will not be driven to the configured

 

 

 

 

failsafe position.

 

 

FSAF

1

FAILSAFE OUTPUT—Atpower-up in

 

 

 

 

manual mode, the motor will be driven to

 

 

 

 

either the 0 % or 100 % output position,

 

 

 

 

whichever is selected at prompt FAILSAFE.

 

 

 

 

For Burnout/None, when the unit goes into

 

 

 

 

FAILSAFE, it will go to manual mode; motor

 

 

 

 

will be driven to the configured failsafe

 

 

 

 

position.

 

 

 

 

 

SP Hi

808

0 to 100 % of the

 

SETPOINT HIGH LIMIT—This selection

 

 

PV range

 

prevents the local and remote setpoints from

 

 

 

 

going above the value selected here. The

 

 

 

 

setting must be equal or less than the upper

 

 

 

 

range of the PV.

SP Lo

809

0 to 100 % of the

 

SET POINT LOW LIMIT—This selection

 

 

PV range

 

prevents the local and remote setpoints from

 

 

 

 

going below the value selected here. The

 

 

 

 

setting must be equal or greater than the

 

 

 

 

lower range of the PV.

ACTION

810

 

 

CONTROL OUTPUT DIRECTION—Select

 

 

 

 

direct or reverse output action.

 

 

DIR

0

DIRECT ACTING CONTROL—The

 

 

 

 

controller’s output increases as the process

 

 

 

 

variable increases.

 

 

REV

1

REVERSE ACTING CONTROL—The

 

 

 

 

controller’s output decreases as the process

 

 

 

 

variable increases.

64

UDC2500 Universal Digital Controller Product Manual

4/07

Page 78
Image 78
Honeywell UDC2500 manual Pwrout, Three Position Control Step, Action