West Control Solutions MRC 7000 Profiler Manual User Manual
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4.1.2.3 PROFILE CONTROL OPERATION
To start a profile, press and release the SCROLL key until the number of the profile that is to
be started is displayed. With the desired profile number displayed, press either the DOWN or
the RUN/HOLD to start the profile. RUN will be displayed for about 2 second to indicate that
the profile is starting. The status lamps will indicate which segment is active and if in the ramp
or soak portion of the segment.
To stop a profile that is running, press the RUN/HOLD key. The display will who hold for
about 2 seconds, then the process value for about 2 seconds and then continue to display this
sequence. The profile timer will stop but the control, alarm and event outputs will remain
active. The profile can be restarted by pressing the RUN/HOLD key. To exit the profile, press
and release the SCROLL key until the display shows oFF or CtrL, then press the DOWN key.
Pressing the DOWN key with oFF displayed will cause the control, alarm and events to be
turned off. Pressing the DOWN key will CtrL displayed will abort the profile and begin
controlling the process automatically at the last setpoint value. Event outputs remain in the
state (on or off) that they were in prior to aborting the profile.
While a profile is running, it is possible to display additional profile status information. To
activate the Profile Execution Status Display sequence, hold the DOWN key and press the
SCROLL key. This will cause the display to sequence through the following series of display
codes and values:
Display Code
Description
Value
Pn
Profile Number
Actual Profile Number
tr
Time remaining in current Ramp or Soak
Actual time remaining value
(in whatever units were
configured in the Program
mode for Ptb)
E1, E2, E3
Event 1-3 status (if applicable)
on or oFF
SP
Current Setpoint
Actual Setpoint Value
ProC
Current Process Value
Actual Process Value
PSCt
Profile Loop Count remaining
Profile Loop Count Value
Each code or value will only be displayed if they are appropriate. Each code or value will be
displayed for one second. This sequence will continue until any key is depressed.
To start a profile running at some point within the profile other than the start can be accom-
plished by using the Profile Continue mode. Press and release the SCROLL key until the
display is PCon, then press the DOWN key. The display will be Pn, adjust the profile param-
eter values as needed in the Profile Continue Configuration mode, then press the RUN key.
The instrument will execute the profile selected as directed by the information entered in the
Profile Continue mode. The parameter values seen in the Profile Continue mode will indicate
the values of the last active profile.