Honeywell UDC 3300 사용자 설명서

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UDC 3300 Controller Product Manual

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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.

Selecting
Automatic
Mode

until “A” indicator is ON.
The controller regulates its output to
maintain the PV at the desired setpoint.

Upper Display

shows the PV value

Lower Display

shows SP and the 

setpoint value

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

Selecting
Manual Mode

until “MAN” indicator is ON.
The controller holds its output at the last
value used during automatic operation and
stops adjusting the output for changes in
setpoint or process variable.

Upper Display

shows the PV value

Lower Display

shows OUT and the

output value in (%).

The deviation bargraph indicates the PV
deviation from the setpoint.

Adjust the
Output in
Manual Mode

or

to adjust the output value while in manual
mode.

Upper Display

shows the PV value

Lower Display

shows OUT and the

 

output value in %.

Return to
Automatic
Mode

The “A” indicator will appear indicating
Automatic mode.