Engineer Tuning Displays for a Continuous Loop Section 3 CCF Displays
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The value of the output is displayed on the line that extends from the right side of
the FCM block. You can change the values of the status parameters by selecting the
block and entering a new value in the fields provided along the bottom of the Loop
FCM Display. Continuous values are entered via the regular keyboard keys. For
fields that have a predefined list of discrete choices, you can use the pull down list of
valid choices. The new value is sent to the database after the selection is made or
when you press Enter. The change is only made to the runtime database in the
subsystem containing the loop. It is not made to the installed database in the node
where the configuration software is resident.
The following read-only information for the current loop is provided in the lower
right corner of the display:
•Tag Name.
• Loop State as specified on the Loop Definition Templet.
• Hex address of device/subdevice where the loop resides.
Table 4. FCM Status Information
Label Description Possible States
MODE FCM Mode ON
OFF
OPMD Output Mode AUTO
MANUAL
TRACK (PID and Auto/Manual FCMs only)
SPMD Setpoint Mode LOCAL (PID FCMs only)
REMOTE (PID FCMs only)
TRACK (PID FCMs only)
STPT Setpoint Value (PID FCMs only)
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