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56 UDC3200 Universal Digital Controller Operator Manual 04/08
Function
Prompt
Lower Display
Selections or
Range of Setting
Upper Display
Parameter
Definition
TRACK
OUTPUT TRACKS INPUT 2—Contact closure allows Output to
track Input 2. While the switch is open, the output is in accordance
with its pre-defined functionality. When the switch is closed, the
output value (in percent) will track the Input 2 percent of range
value. When the switch is reopened, the output will start at this last
output value and normal PID action will then take over control. The
transfer is bumpless.
TO RSP
TO REMOTE SETPOINT—Contact closure selects the Remote
setpoint.
RST FB
EXTERNAL RESET FEEDBACK—Contact closure allows Input 2
to override the internal reset value.
To PURGE
TO PURGE—Contact closure forces the loop to Manual mode with
the output set to the Output High Limit configuration. MAN lights
and the Output value is shown on the lower display. Opening the
switch has no effect.
ATTENTION Does not apply to Three Position Step Control.
Lo FIRE
LOW FIRE—Contact closure forces the loop to Manual mode with
the output set to the Output Low Limit configuration. MAN lights
and the Output value is shown on the lower display. Opening the
switch has no effect.
ATTENTION Does not apply to Three Position Step Control.
MAN LAT
MANUAL LATCHING—Contact closure transition forces the loop
to Manual mode. Opening the switch has no effect. If the
MAN/AUTO key is pressed while the switch is closed, the loop will
return to Automatic mode.
PV Hold
PROCESS VARIABLE HOLD—when the switch is closed, PV is
frozen at last value. When switch opens, PV resumes.
DIG 1COMB
DIGITAL INPUT 1 COMBINATION SELECTIONS —This selection
allows the specified function to occur in addition to the one chosen
for DIG IN 1.
DISABLE
DISABLE—Disables combination function.
+PID2
PLUS PID2—Contact closure selects PID Set 2.
+TO DIR
PLUS DIRECT ACTION—Contact closure selects direct controller
action.
+TO SP2
PLUS SETPOINT 2—Contact closure puts the controller into SP2.
+DIS AT
PLUS DISABLE ADAPTIVE TUNE—Contact closure disables
Accutune process.
+TO SP1
PLUS SETPOINT 1—Contact closure puts the controller into SP1.
+RUN
PLUS RUN SETPOINT PROGRAM/RAMP—Contact closure
starts SP Program/Ramp if enabled.
DIG INP2
Same selections
as for Digital Inp 1
DIGITAL INPUT 2 SELECTIONS
DIG2COMB
Same selections
as Digital Input 1
Combinations
DIGITAL INPUT 2 COMBINATIONS