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Global prompts, C_f] [fail, Setup-global – Watlow Series 988 User Manual

Page 63: Celsius-fahrenheit, Failure mode

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WATLOW Series 988 User’s Manual

4.35

Setup Menus, Chapter 4

Setup-Global

Global Prompts

When you are in the Setup menus, the Series 988 displays the menu
selection (

[InPt], [OtPt], [GLbL] or [COM]) in the upper display, and

[`SEt] in the lower display.

The Up-arrow > or Down-arrow key < selects another menu. Press
the Mode key µ to display the first prompt in the lower display and its
value in the upper display. Use the Up-arrow > and Down-arrow <
keys to change the value in the upper display. The new value will not take
effect until after a five-second delay or until you press the Mode key µ.

Celsius-Fahrenheit

Select which temperature scale the controller will use.

[`C_F] This prompt appears only on controllers with either Input 1 or
Input 2 set to something other than a process input.

Default

[``°F]

[``°C]

[`C_F]

[`C_F]

Failure Mode

Select the output level that the controller will maintain if an input
fails.

• Bumpless transfer

[bPLS] maintains the same output settings after an

input failure.

[FAIL] This prompt always appears.

If

Default

[bPLS]

[-100] … [`100]

%

a heat/cool

[FAIL]

[FAIL]

[FAIL]

application

[bPLS]

[```0] … [`100]

%

a heat-only

[FAIL]

[FAIL]

[FAIL]

application

[bPLS]

[-100] … [```0]

%

a cool-only

[FAIL]

[FAIL]

[FAIL]

application

˜

NOTE:
Decimal points may
not always be in the
position specified
below depending on
the the settings in
the Decimal 1
[dEC1] and Decimal
2

[dEC2] parame-

ters in the Input
Menu.

[`C_F]

[FAIL]