Transfer From Automatic To Manual - ABB 800xA Operation

Section 8 Operation Examples
If the loop does not have procedureless manual reset, a setpoint or a process offset
after transfer to automatic can be eliminated by adjusting the manual reset value.

Transfer from Automatic to Manual

The faceplate displays and control button operations for the transfer from automatic
to manual resembles the example shown in
from Auto to Manual mode requires one step and is bumpless because the Manual
output value automatically tracks the Auto output value when the FCM is in Auto.
The output value can then be manipulated in the manual.
Figure 87. Transfer from Automatic to Manual - Faceplate
3BUR002418-600 A
Figure
Indicates controller in automatic.
Indicates local setpoint is active.
Press Manual button to transfer from manual to
automatic control. When the controller is in
manual, the current output value can be
adjusted.
Press Remote button to switch the setpoint
from local to remote. When the controller is in
remote, the setpoint value field is no longer
highlighted and the setpoint slider disappears.
If this indicator is present, the local setpoint is
tracking the process value while the loop is in
manual so that the setpoint and process are
equal when the loop is transferred back to
automatic.
Transfer from Automatic to Manual
87. During operation, switching
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