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Global prompts, Celsius-fahrenheit, Failure mode – Watlow Series 998 User Manual

Page 61: C_f] [fail, Setup-global

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WATLOW Series 998 User’s Manual

4.33

Setup Menus, Chapter 4

Global Prompts

When you are in the Setup menus, the Series 998 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.

Celsius-Fahrenheit

Select which temperature scale the controller will use.

[`C_F] This prompt appears only on controllers with [`In1] and [`In2]
set to something other than a process input.

Default

[``°F]

[``°C]

[`C_F]

[`C_F]

Failure Mode

Select percent output or bumpless transfer when input fails. This
prompt affects both channels.

• [Bpls] allows bumpless transfer.

[FAIL] This prompt always appears.

If

Default

Heat/Cool ouput

[Bpls]

[-100]

...

[`100]

%

{FAIL}

{FAIL}

{FAIL}

Heat ouput

[Bpls]

[```0]

...

[`100]

%

FAIL}

{FAIL}

{FAIL}

Cool ouput

[Bpls]

[-100]

...

[```0]

%

FAIL}

{FAIL}

{FAIL}

NOTE:
Decimal points may
not always be in the
position specified
below, depending
on the Decimal 1

[dEC1]

setting in

the Input Menu.

[`C_F]

[FAIL]

NOTE:
See Chapter 7 for
more information on
errors.

Setup-Global