Owner manual

Watlow EZ-ZONE
®
PM Integrated Controller • 43 • 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 messages, 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 condition no longer exists by simply pushing the Infinity ˆ or
the Reset
RESET
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 [Li;h1] 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 Infinity ˆ key to execute the action.
See the Home Page for further information on the Attention Codes.
Display Parameter Name
Description
Setting Range Default Appears If
[Attn]
Attention
An active message will cause the
display to toggle between the nor-
mal settings and the active message
in the upper display and [Attn] in
the lower 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 or
limit condition, the message can be
cleared when the condition no lon-
ger exists. If an alarm has silencing
enabled, it can be silenced.
1. Push the Advance Key
‰
to dis-
play [ignr] in the upper display
and the message source (such as
[Li;h1]) in the lower display.
Note:
If the limit is tripped and the trip
condition is no longer present
the limit can be reset by pressing
the Reset Key
RESET
(Infinity Key is
labeled Reset).
2. Use the Up ¿ and Down ¯
keys to scroll through possible
responses, such as Clear [`CLr]
or Silence [`SiL].
3. Push the Advance
‰
or Infinity
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 Error 1 or 2
[C;Er1] Current Error
[h;Er1] Heater Error
[uAL;h] Value to high to be displayed in 4
digitLEDdisplay>9999
[uAL;L] Value to low to be displayed in 4
digitLEDdisplay<-1999
an alarm or er-
ror message is
active.