Table 5-12 Procedure For Selecting Automatic Or Manual Mode - Honeywell DR4500A Product Manual

Operation - Operating Modes
An alternate action switch places the recorder in automatic or manual mode of operation.

Switching between manual and automatic will be bumpless, except when the PD+MR algorithm is
selected.

T able 5-12 includes procedures for selecting automatic or manual mode and changing the output while
7 0 H
in manual.
Step Operation
1
Selecting automatic
mode
2
Selecting manual mode
3
Adjust the output in
manual mode
4
Return to automatic
mode
130 DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual

Table 5-12 Procedure for selecting automatic or manual mode

Press
MAN
AUTO
MAN
AUTO
▲ ▼
or
MAN
AUTO
Action/Result
Until "A" indicator is ON.
The recorder 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.
Until "MAN" indicator is ON.
The recorder 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 value while in manual mode.
Upper Display: shows the PV value
Lower Display: shows OUT and the output value
in %
"A" indicator appears indicating automatic mode.
Release M
April 2017