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DR4300 Circular Chart Recorder
104 DR4300 Circular Chart Recorder Product Manual 12/03
4.3.13 Setpoint Ramp/Program Set Up Group
Introduction
All models supporting control can be configured to ramp the setpoint between the current local setpoint
and a final local setpoint over a timer interval of from 1 minute to 255 minutes.
If the optional Setpoint Program feature is specified at time of purchase, then in addition to this single ramp
capability, you can also configure a ramp/soak profile containing up to twelve segments, each with its own
time interval.
Setpoint ramp/program group prompts
Table 4-11 lists all the function prompts in the setpoint ramp group. The additional prompts associated
with the optional twelve-segment Setpoint Program are described in Appendix C.
For a 2-pen recorder, the desired input channel is displayed on the left side of the operator interface. Press
FUNC
to select channel.
Press SETUP
key until “SPRAMP” appears in the lower display.
Press FUNC
key to select the parameters.
Table 4-11 Setpoint Ramp Parameter Definitions
Lower Display
Prompt
Upper Display
Range of Setting
or Selection
Parameter
Definition
SP RAMP
ENAB
DIS
[factory setting]
SINGLE SETPOINT RAMP — Make selection to enable or
disable the setpoint ramp function. Make sure you
configure a ramp time and a final setpoint value. “SP
PROG” must be disabled.
ENABLE SETPOINT RAMP — Allows the single setpoint
ramp prompts to be shown.
DISABLE SETPOINT RAMP — Disables the setpoint
ramp. Allows “SPPROG” option to be selected.
TI MIN
0 minutes to 255 minutes
[factory setting = 0]
SINGLE SETPOINT RAMP TIME — Enter the number of
minutes desired to reach the final setpoint or a single
setpoint ramp.
A ramp time of “0” implies and immediate change of
setpoint to the final setpoint.
FINL SP
Within SP limits
[factory setting = 0]
SETPOINT RAMP FINAL SETPOINT — Enter the value
desired for the final setpoint. The controller will operate at
the setpoint set here when ramp is ended.
SP PROG
ENAB
DIS
[factory setting]
SETPOINT RAMP/SOAK PROGRAM
Available only with controllers that contain this option.
For reasons of convenience, the information for the
prompts when SPPROG is enabled are included in
Appendix C.
ATTENTION
“SP RAMP” must be disabled for
SPPROG to be available.