Watlow PM LEGACY™ Limit Controller
•
35
•
Chapter 3 Keys and Displays
Responding to a Displayed Message
An active message will cause the display to toggle between the normal settings and the active message in the
upper display and
attn
in the green display.
Your response will depend on the message and the controller settings. Some messages, such as Ramping and
Tuning, indicate that a process is underway. If the message was generated by a latched alarm and the condi-
tion no longer exists or if an alarm has silencing enabled it can be silenced simply by pushing the Reset key .
Alternatively, use the method below to view all and then clear.
Push the Advance Key to display
ignr
in the red display and the message source (such as
AL.hi
) in the lower
display. Use the Up or
Down
keys to scroll through possible responses, such as Clear
CLr
or Silence
SiL
, then push the Advance or Reset key to execute the action. See the Home Page for further information on
the Attention Codes.
Display
Parameter Name
Description
Range
Appears If
attn
Attention
An active message will cause the display
to toggle between the normal settings and
the active message in the upper display
and
attn
in the green display. Your re-
sponse will depend on the message and
the controller settings. Some messages,
such as Ramping and Tuning, indicate that
a process is underway. If the message was
generated by a latched alarm, the mes-
sage can be cleared when the condition
no longer exists. If an alarm has silencing
enabled, it can be silenced.
1. Push the Advance Key to display
ig-
n r
in the red display and the message
source (such as
AL.h1
) in the lower dis-
play.
2. Use the Up or Down keys
to scroll through possible responses,
such as Clear
CLr
or Silence
SiL
.
3. Press the Advance Key or Reset
RESET
but-
ton to execute the action.
Alternatively, rather than scrolling through
all messages simply push the Reset
RESET
but-
ton to generate a clear.
AL.L1
AL.L2
AL.L3
AL.L4
Alarm Low 1 to 4
AL.h1
AL.h2
AL.h3
AL.h4
Alarm High 1 to 4
AL.E1
AL.E2
AL.E3
AL.E4
Alarm Error 1 to 4
Er.i1
Error Input 1
Li.L1
Limit Low 1
Li.h1
Limit High 1
Li.E1
Limit Error 1
vaL.h
Value to high to be dis-
played in 4 digit LED display
>9999
vaL.L
Value to low to be dis-
played in 4 digit LED display
<-1999
An alarm or error
message is active.
