Honeywell UDC 3300 사용자 설명서

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UDC 3300 Controller Product Manual
187
DIG IN1 or
DIG IN2
Selections
Display Indication
Action on Contact Closure
Returns (toggles) to original state when contact opens,
unless otherwise noted.
TO RUN
R indicator blinks
Starts a stopped SP Program. Reopening contact puts the controller in
Hold mode. This selection applies to either loop.
ToBEGN
Resets the Setpoint Program back to the beginning of the first segment
in the program and places the program into the Hold mode. Reopening
the contact has no effect. This selection applies to either loop.
STOP I
Disables PID Integral (I) action.
MAN FS
MAN blinks
Unit goes to manual mode, output goes to the failsafe value. This will
cause a bump in the output when switching from AUTO to MANUAL.
The switch back from MANUAL to AUTO is bumpless.
ToLOCK
LOCKED when a key is
pressed
Disables all keys.
ToAout
Output is forced to value set at control prompt “AUTO OUT” when
controller is in automatic mode. Reopening contact returns the
controller to the normal output. This selection is only available on Loop
1.
TIMER
Timer clock (
) and
time appear in lower
display.
Starts timer (momentary). Reopening switch has no effect.
AM STA
Causes switch to Auto Manual Station mode. Refer to Figure 5-5 in
Section 5.19 
for auto manual station information. This selection is only
available on Loop 1.
ToTUNE
TUNE ON in lower
display
Starts the Accutune process. Opening the switch has no effect.
SPinit
Forces the SP to initialize at the current PV value.
TRACK1
O blinks
Allows Output 1 to track Input 2.
TRACK2
O blinks
Allows Output 2 to track Input 2.
ToOUT2
O blinks
Allows Output 2 to override Output 1.
TO RSP
RSP annunciator blinks
Selects remote setpoint.
D L1/2
Displays loop not being displayed at time of closure.
RST FB
Allows Input 2 to override the internal reset value, providing external
reset feedback.
ToPURG
MAN blinks and output
value shows in lower
display
Forces loop to manual mode with the output values set to the Output
High Limit configuration.
LoFIRE
MAN blinks and output
value shows in lower
display
Forces loop to manual mode with the output set to the Output Low
Limit configuration.
MAN LT
Forces loop to manual mode. This is a momentary switch input,
therefore no action occurs when the switch is opened.
To return to automatic mode, press the  MANUAL/AUTO   key.
REStot
Resets the accumulated totalizer value. Opening the switch has no
effect.