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Configuration
4/07 UDC2500 Universal Digital Controller Product Manual 65
Function Prompt
Lower Display
Selection or Range of Setting
Upper Display
English Numeric
Code
English Numeric
Code
Parameter
Definition
OUT Hi 811
HIGH OUTPUT LIMIT—This is the highest
value of output beyond which you do not
want the controller automatic output to
exceed.
0 % to 100 %
–5 % to 105 %
For relay output types.
For current output types.
OUT Lo 812
LOW OUTPUT LIMIT—This is the lowest
value of output below which you do not want
the controller automatic output to exceed.
0 % to 100 %
–5 % to 105 %
For relay output types.
For current output types.
D BAND 813
–5.0 to 25.0 %
0.0 to 25.0 %
0.5 to 5.0 %
DEADBAND is an adjustable gap between
the operating ranges of output 1 and output 2
in which neither output operates (positive
value) or both outputs operate (negative
value).
Time Duplex
On-Off Duplex
Three Position Step
HYST 814
0.0 to 100.0 % of
PV
HYSTERESIS (OUTPUT RELAY) is an
adjustable overlap of the ON/OFF states of
each control output. This is the difference
between the value of the process variable at
which the control outputs energize and the
value at which they de-energize.
ATTENTION Only applicable for ON/OFF
control.
FAILSF 815
0 to 100 %
FAILSAFE OUTPUT VALUE—The value
used here will also be the output level when
you have Communications SHED set to
failsafe or when NO BURNOUT is configured
and Input 1 fails.
ATTENTION Applies for all output types
except Three Position Step Control.
FAILSF 816
0
100
THREE POSITION STEP FAILSAFE
OUTPUT
0 PCT—Motor goes to closed position.
100 PCT—Motor goes to open position.