Setpoint Rate/Ramp/Program Operation
12/00 UDC2300 Controller Product Manual 71
7 Setpoint Rate/Ramp/Program Operation
7.1 Overview
Introduction
The Setpoint Ramp configuration group lets you enable and configure any of the
following:
• SPRATE – a specific rate of change for any local setpoint change. (Subsection 7.2)
• SPRAMP – a single setpont ramp that occurs between the current local setpoint and a
final local setpont over a time interval of 1 to 255 minutes. (Subsection 7.3)
• SPPROG – a ramp/soak profile in a 12-segment program. (Subsection 7.4)
This section explains the operation of each selection and configuration reference where
necessary.
ATTENTION
For any option to function, the other options must be disabled (see Subsection 4.6 –
Configuration).
PV Hot Start
This is a standard feature. At power-up, the setpoint is set to the current PV value and the
Rate or Ramp or Program then starts from this value.
RUN/HOLD key
You can start or stop the Ramp or Program using the RUN/HOLD key.
What’s in this section?
The following topics are covered in this section.
TOPIC See Page
7.2 Setpoint Rate 72
7.3 Setpoint Ramp 72
7.4 Setpoint Ramp/Soak Programming 74
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