ON-LINE AND OFF-LINE OPERATION UM344-2
September 1995
5
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26
CHANGE SP - allows you to view and change the on-line-
setpoint of the controller.
1) Enter new setpoint and press ENTER (F4) to store the
value.
2) Press the “CHANGE SP” key again or END (F3) to
exit.
CHANGE VALVE - allows you to view and change the position
of the valve in MANUAL. If the controller is in AUTO, the
valve cannot be changed.
1) Enter the new valve setting and press ENTER (F4) to
store the new value.
2) Press the “CHANGE VALVE” key again or END (F3)
to exit.
A/M - toggles the controller between automatic and manual
control
1) Press MANUAL (F1) or AUTO (F2) to change state.
2) Press “A/M” key again, or END (F4) to exit.
TUNE - displays controller tuning parameters for viewing or
editing.
1) The first screen displays the Process, Setpoint, and
Valve settings and the controller action. Press CONT
(F4) to continue.
2) The Proportional Gain (PG), Time Integral (TI) and Time
Derivative (TD) can be changed from this screen. Press
F1, F2, or F3 to display the current value and edit the
parameter.
3) Press CONT (F4) to continue.
4) The Derivative Gain (DG) and Manual Reset (MR) can
be changed from this screen. Press F1 or F2 to display
the current value and edit the parameter.
5) Press CONT (F4) to go to the previous screen. Press
the “TUNE” key again, or END (F3) to exit.
S: 50.000%
NEW SETPOINT:
0.0000 TO 100.00
END ENTER
<
VALVE: 10.000%
NEW VALVE:
-1.000 TO 110.00
END ENTER
<
STATUS: AUTOMATIC
MAN-
UAL AUTO END
PV 47.625
SP 47.625
V 56.000
ACTION REVERSE CONT
PV 99.930
SP 99.930
V 50.210
PG TI TD CONT
PV 23.000
SP 47.000
V 10.000
DG MR END CONT