red lion PXU11A20 User Manual

-27-
Released 2018-01-12 Drawing No. LP0932

nor Normal
rv Reverse
With normal selection, the alarm annunciator indicates an “on” alarm
output 2. With reverse selection, the alarm annunciator indicates an “off”
alarm output 2.
nor
Li2

Y Standby on
NO Standby off
Standby prevents nuisance (typically low level) alarms after a power
up. After powering up the controller, the process must leave the alarm
region (enter normal non-alarm area of operation). After this has
occurred, the standby is disabled and the alarm responds normally until
the next controller power up.

Auo Automatic
LA Latched
In Automatic mode, an energized alarm turns off automatically after the
Temperature/Process value leaves the alarm region. In Latched mode,
an energized alarm requires an 1 / 2 key or user input alarm reset to
turn off. After an alarm reset, the alarm remains off until the trigger point
is crossed again.

The alarm values are entered as process units or degrees. They can
also be entered in the Parameter or Hidden Loops. When the alarm is
configured as deviation or band acting, the associated output tracks the
Setpoint as it is changed. The value entered is the offset or difference
from the Setpoint.
-99.9 to 999.9
Auo
r2
NO
b2
200.0
AL-2

OFF
IFA2

With normal selection, the alarm annunciator indicates an “on” alarm
output 3. With reverse selection, the alarm annunciator indicates an “off”
alarm output 3.
nor Normal
rv Reverse

Select the action for the alarm. See Alarm Action Figures at the
beginning of this section for a visual explanation.
NON
AC3
nor
Li3
Alarm 3 parameters in this module are programming dependent. They
are available only when Output 2 control action is programmed as alarm.
On OFF
Select the Alarm action in the event of a detected input failure (open
TC/RTD or shorted RTD).
Shaded parameters are programming/model dependent.

O.0
AL2L
0.0 to 999.9
Enter the minimum acceptable current level at Ct1

O.0
AL2
0.0 to 999.9
Enter the maximum acceptable current level at C1
The remaining Alarm 2 settings are not available when AC2 = C1
NON AbI AbLO AuI AuLO
d-I d-LO b-IN b-o Pr
C1 oLd rPuP rPdn run
PA oP nd

Standby prevents nuisance (typically low level) alarms after a power
up. After powering up the controller, the process must leave the alarm
region (enter normal non-alarm area of operation). After this has
occurred, the standby is disabled and the alarm responds normally until
the next controller power up.

In Automatic mode, an energized alarm turns off automatically after the
Temperature/Process value leaves the alarm region. In Latched mode, an
energized alarm requires an 1 / 2 key or user input alarm reset to turn
off. After an alarm reset, the alarm remains off until the trigger point is
crossed again.
Auo Automatic
LA Latched
Y Standby on
NO Standby off
Auo
r3
NO
b3

O.0
AL3L
0.0 to 999.9
Enter the minimum acceptable current level at Ct1

O.0
AL3
0.0 to 999.9
Enter the maximum acceptable current level at C1
The remaining Alarm 3 settings are not available when AC3 = C1
The next two parameter settings are only available when AC2 = C1.
The next two parameter settings are only available when AC3 = C1.

red lion PXU11A20 Specifications

General

Brand	red lion
Model	PXU11A20
Category	Controller
Language	English