Table 5-9 Procedure For Selecting Automatic Or Manual Mode - Honeywell UDC 3300 Product Manual

Selecting manual or
automatic mode
158
An alternate action switch places the controller in the Automatic or
Manual mode of operation. Switching between manual and automatic will
be bumpless, except when PD+MR algorithm is selected.
Table 5-9 includes procedures for selecting automatic or manual mode
and changing the output while in manual.
Table 5-9 Procedure for Selecting Automatic or Manual Mode
Step Operation
1
Selecting
Automatic
Mode
2 Selecting
Manual Mode
3 Adjust the
Output in
Manual Mode
4 Return to
Automatic
Mode
UDC 3300 Controller Product Manual
Press
until "A" indicator is ON.
MANUAL
The controller regulates its output to
AUTO
maintain the PV at the desired setpoint.
Upper Display
Lower Display
The deviation bargraph indicates the PV
deviation from the setpoint.
The annunciators indicate whichever setpoint
is in use:
SP Local Setpoint
2SP Second Local Setpoint
3SP Third Local Setpoint
RSP Remote Setpoint
CSP Computer Setpoint
until "MAN" indicator is ON.
MANUAL
The controller holds its output at the last
AUTO
value used during automatic operation and
stops adjusting the output for changes in
setpoint or process variable.
Upper Display
Lower Display
The deviation bargraph indicates the PV
deviation from the setpoint.
to adjust the output value while in manual
mode.
or
Upper Display
Lower Display
The "A" indicator will appear indicating
MANUAL
Automatic mode.
AUTO
Action
shows the PV value
shows SP and the
setpoint value
shows the PV value
shows OUT and the
output value in (%).
shows the PV value
shows OUT and the
output value in %.
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