3Chapter 3: Keys and Displays
Upper Display: |
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In the Home Page, displays |
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the process value, otherwise |
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displays the value of the pa- | WATLOW |
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rameter in the lower display. | |||
Zone Display: |
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Indicates the controller zone |
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that the remote user interface |
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(RUI) is currently communi- |
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cating with. |
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1 to 9 = zones 1 to 9 |
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A = zone 10 | E = zone 14 |
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b = zone 11 | F = zone 15 |
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C = zone 12 | H = zone 16 |
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d = zone 13 |
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Temperature Units Indicator Lights:
Indicates whether the temperature is displayed in Fahrenheit or Celsius.
Output Activity:
Number lights indicate activity of outputs 1 through
5.A flashing light indicates retransmit activity.
Percent Units Indicator
Lights when the controller is displaying values as a percentage or when the open- loop set point is displayed.
Profile Activity;
Lower Display:
Indicates the set point or output power value during opera- tion, or the parameter whose value appears in the upper display.
EZ Key:
This key can be programmed to do various tasks, such as starting a profile.
Infinity Key ˆ
Press to back up one lev- el, or press and hold for two seconds to return to the Home Page.
Advance Key ‰
Advances through parameter prompts.
Lights when a profile is run- ning. Flashes when a profile is paused.
Communications Activity
Flashes when another device is communicating with this controller.
Up and Down Keys ¿ ¯
In the Home Page, adjusts the set point in the lower dis- play. In other pages, changes the upper display to a higher or lower value, or changes a parameter selection.
Responding to a Displayed Message
Attention Codes
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 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. If an alarm has silencing enabled, it can be silenced.
Push the Advance Key to display [ignr] in the upper display and the message source (such as [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.
[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] [Li;L2] Limit Low 1 or 2
[Li;h1] [Li;h2] Limit High 1 or 2
[Li;E1] [Li;E2] Limit Error 1 or 2
[tUn1] Tuning
[`rP1] Ramping
[LP;o1] Loop Open Error
[LP;r1] Loop Reversed Error
[`C;Er] Current Error
[`h;Er] Heater Error
Watlow | • 24 • | Chapter 3 Keys and Displays |