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Configuration
64 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
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—At power-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
PV range
SETPOINT HIGH LIMIT—This selection
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
PV range
SET POINT LOW LIMIT—This selection
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.