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PPC Manual Revision 1
Chapter 17: Software Setting Flow and Navigation
(3) Loop information display area
This area displays loop information selected by LOOP switching.
V.AT
C.A.M
Digital value
display
CASCADE/AUTO/MAN switch
REMOTE/LOCAL switch
Auto-tuning switch
AUTO/MAN switch
LOOP switch
Automatic valve position
adjustment
Load factor
Control mode
Units
Display Description
Model and suffix codes This field displays the model and suffix codes read out when the window is opened.
STOP/RUN switching
Displays the operation status, which can be switched.
RUN: Starts operation.
STOP: Stops operation.
CASCADE/AUTO/MAN
switching
Displays the operation status. It is displayed when the control mode is Cascade control or
Secondary-loop cascade control. It can be switched.
CAS: Cascade
AUTO: Automatic
MAN: Manual
AUTO/MAN switching
Displays the operation status. It is displayed when the control mode is anything other than
Cascade control or Secondary-loop cascade control. It can be switched.
AUTO: Automatic
MAN: Manual
LOOP switching
The loop can be switched between LOOP1 and LOOP2 when the control mode is Cascade
contro or Dual-loop controll.
Auto-tuning switching
Enables auto-tuning to be activated or deactivated.
When auto-tuning is activated, optimized PID values are set to the controller and are
displayed and updated in the register monitor display area at the next data read cycle.
When auto-tuning finishes, OFF is displayed at the next read cycle.
Switchable among OFF, 1 to 8, and R
SV and PV digital value
display
PV and SV digital values are read from the controller and displayed.
The values are max. 7 digits including the sign and decimal point.
OUT digital value display
OUT digital values are read from the controller and displayed.
The values are max. 7 digits including the sign and decimal point.
Unit display Displays units.
Control mode Displays control mode.
Load factor and maximum
load factor
Not used in PPC5 controller.
The display update period is the data read cycle. Data to be updated are those other than the
model and suffix codes, unit display, and control mode.
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