3- 12
Controls and Indicators
D
A
To abort autotuning, press either the TUNE button a second time or
TUNE
press the M button. Pressing the TUNE button returns the controller
to either Auto or Remote mode. The controller always returns to the
auto/remote mode from the autotune function. Pressing the M button
stops the autotune function and switches the controller to the manual
Q
mode. If the user starts the autotuner when the controller is in the
TUNE
M
manual mode, the controller automatically switches to the auto
mode, completes the tuning cycle, and returns to the auto mode
DPR900-016
when tuning is complete.
Alarm Indications
100
90
80
70
;,,,:,
60
50
40
30
20
10
~~
The PV bargraph display shows the currently set alarm limits as
brighter bars. Up to two alarms can be displayed. If a limit is
exceeded, a flashing L or H is shown in the left position of the digital
display. A discrete output may also indicate any alarms that have
been configured.
In the illustration, a high alarm is set at 82.5 and a low alarm is set
at 47.5.
::
,,
::
O PV%SP
LlPRso0-018
UMfi.l:DPR900:9102
May 1991
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