Watlow ez-zone pm - Responding to a Displayed Message

Watlow EZ-ZONE
®
PMI Controller • 56 • Chapter 3 Keys and Displays
Responding to a Displayed Message
Attention Codes
An active message (see Home Page for listing) will cause the display to toggle between the
normal settings and the active message in the upper display and Attention attn in the lower
display. Your response will depend on the message and the controller settings. Some mes-
sages, such as Ramping and Tuning, indicate that a process is underway. If the message was
generated by a latched alarm or limit condition, the message can be cleared when the condi-
tion no longer exists by simply pushing the Innity ˆ or the Reset
RESE
T
key or alternatively by
following the steps below. If an alarm has silencing enabled, it can also be silenced.
Push the Advance Key ‰ to display Ignore ignr in the upper display and the message
source (such as Limit High AL.hi in the lower display. Use the Up ¿ and Down ¯ keys to
scroll through possible responses, such as Clear CLr or Silence SiL, then push the Advance
‰ or Innity ˆ 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 lower 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 or limit con-
dition, the message 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
ignr
in the upper display and the mes-
sage source (such as AL.h1) in the lower
display.
Note:
If the limit is tripped and the trip condi-
tion is no longer present the limit can be
reset by pressing the Reset Key
RESE
T
(Infin-
ity Key is labeled Reset).
2. Use the Up ¿ and Down ¯ keys to
scroll through possible responses, such
as Clear
CLr
or Silence
SiL
.
3. Press the Advance Key ‰ or Innity ˆ
key to execute the action.
Alternatively, rather than scrolling through
all messages simply push the Infinity ˆ
button 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 Er.i2 Error Input 1 or 2
Li.L1 Limit Low 1
Li.h1 Limit High 1
Li.E1 Limit Error 1
tUn1 tUn2 Tuning 1 or 2
rp1 rp2 Ramping 1 or 2
Lp.o1 Lp.o2 Loop Open Error
1 or 2
Lp.r1 Lp.r2 Loop Reversed Er-
ror 1 or 2
C.Er1 Current Error
h.Er1 Heater Error
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.