Honeywell UDC2500 manual Ramp/soak profile example

Monitoring and Operating the Controller

Contents	Definition
	ENABL = When the program is initially changed from HOLD to RUN the
	present PV value is captured and used as the beginning setpoint
	value for the ramp segment. If the program is terminated before
	completion, the setpoint value will revert back to the PV value
	captured at the initial HOLD to RUN transition. If the power is
	cycled before program completion, upon power-up the setpoint is
	set to the PV value at power-up and when the program is restarted
	that setpoint value is used initially.
Program state	The program state selection determines the program state after completion.
	The selections are:
	• DIS = program is disabled (so program value changed to DIS)
	• HOLD = program on hold

Program termination	The program termination state function determines the status of the controller
state	upon completion of the program.
	The selections are:
	• LAST = controls to last setpoint
	• FSAF = manual mode and failsafe output.
Reset Program to	When enabled, this selection allows you to reset the program to the beginning
Beginning	from the keyboard.

Ramp/soak profile example

Before you perform the actual configuration, we recommend that you draw a Ramp/Soak profile in the space provided on the “Program Record Sheet” (Figure 4-4)and fill in the associated information. An example of a Ramp-Soak Profile is shown in Figure 4-3.

Start setpoint is at 200 degrees F.

120 UDC2500 Universal Digital Controller Product Manual 4/07