Running the setpoint ramp

Procedure

Running a Setpoint Ramp includes starting, holding, viewing the ramp time, ending the ramp, and disabling it.

Table 5-15 lists the procedure for running the Setpoint Ramp.

Table 5-15 Procedure for Running a Setpoint Ramp

Step

1

Operation

Put the controller into Automatic mode

Press

MANUAL

AUTO

Action

until “A” indicator is ON and you will see:

Upper Display

H and the PV value

Lower Display

SP and the present setpoint value

2

3

4

Set Start

Setpoint

Start the Ramp

Hold/Run the Ramp

or

RUN

HOLD

RUN

HOLD

until the start setpoint value you desire is indicated in the lower display:

Upper Display

H and the PV value Lower Display

SP and the start setpoint value

You will see:

Upper Display

R and the PV value Lower Display

SP and a changing setpoint value

ATTENTION The value in the lower display will be increasing or decreasing toward the final setpoint value. The PV value in the upper display will also change.

This holds the ramp at the current setpoint value.

Press again to continue run.

5

View the remaining ramp time

LOWER DISPLAY

until you see:

Upper Display

Lower Display

R or H and the PV value

RAMP XXXM (Time remaining)

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UDC 3300 Controller Product Manual

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Honeywell UDC 3300 manual Running the setpoint ramp Procedure, Procedure for Running a Setpoint Ramp Step Operation