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Configuration
4/07 UDC2500 Universal Digital Controller Product Manual 69
Function Prompt
Lower Display
Selection or Range of Setting
Upper Display
English Numeric
Code
English Numeric
Code
Parameter
Definition
100 PCT 903
Value in
Engineering Units
AUXILIARY OUTPUT HIGH SCALING
FACTOR— This is a value in engineering
units used to represent all AUX OUT
parameters except Output.
For Output, this is a value in percent and can
be any value between –5 % and +105 %.
However, keep in mind that relay output
types can only be scaled 0 % to 100 %.
CRANGE 904
4-20
0-20
0
1
AUXILIARY OUTPUT RANGE allows the
user to easily select 4-20mA output or 0-
20mA output operation without the need for
recalibration of the instrument.
ATTENTION Changing the Auxiliary
Output Range will result in the loss of Field
Calibration values and will restore Factory
Calibration values.
DIGIN1
905
DIGITAL INPUT 1 SELECTIONS—All
selections are available for Input 1. The
controller returns to its original state when
contact opens, except when overruled by the
keyboard.
NONE
0
NO DIGITAL INPUT SELECTIONS
MAN
1
TO MANUAL—Contact closure puts the
affected loop into manual mode. Contact
open returns controller to former mode.
LSP
2
TO LOCAL SETPOINT—When a remote
setpoint is configured, contact closure puts
the controller into local setpoint 1. When
contact opens, the controller returns to
former operation—local or remote setpoint—
unless SETPOINT SELECT key is pressed
while digital input is active. If this happens,
the controller will stay in the local setpoint
mode when contact opens.
SP2
3
TO LOCAL SETPOINT TWO—Contact
closure puts the controller into local setpoint
2.
DIR
4
TO DIRECT ACTION—Contact closure
selects direct controller action.