Table 7-1 Running A Setpoint Ramp - Honeywell UDC2300 Product Manual

Operation
Running a Setpoint Ramp includes starting, holding, viewing the ramp, ending the ramp
and disabling it. See Table 7-1.
Step Operation
Select Automatic
1
Mode
2 Set Start Setpoint
Start the Ramp
3
4 Hold/Run the
Ramp
View the
5
remaining ramp
time
End the Ramp
6
Disable SPRAMP
7
Power Outage
If power is lost during a ramp, upon power-up the controller will be in HOLD and the
setpoint value will be the setpoint value prior to the beginning of the setpoint ramp.
The ramp is placed in hold at the beginning.
Configure the mode at Set Up Group "CONTROL", function prompt "PWRUP". See
Subsection 4.11 – CONTRL GROUP FUNCTION Prompts.
12/00

Table 7-1 Running A Setpoint Ramp

Press
"A" indicator is on.
MAN/AUTO
Upper Display = Hold and PV value
Lower Display = SP and Present value
Until start SP value is in lower display
DISPLAY
Upper Display = Hold and PV value
Lower Display = SP and start SP value
You will see
RUN/HOLD
Upper Display = Run and a changing PV value
Lower Display = SP and a changing SP value increasing
or decreasing toward a final SP value
This holds the ramp at the current setpoint value. Press
RUN/HOLD
again to continue.
Until you see
DISPLAY
Upper Display = RUN or HOLD and the PV value
Lower Display = RP xx HH.MM (time remaining)
When the final setpoint is reached, "RUN" changes to
"HOLD" in the upper display and the controller operates at
the new final setpoint.
See Section 4 – Configuration group "SPRAMP" for
details.
UDC2300 Controller Product Manual
Setpoint Rate/Ramp/Program Operation
Result
73