Watlow Series 93 User Manual download pdf (Page 17)

Watlow Series 93 Keys and Displays ■ 3.1

Keys and Displays

Figure 3.1 - Series 93 Keys and Displays.

After 60 seconds with no key presses, the controller reverts to the default display —

the process value in the upper display and the set point in the lower display.

How to Use the Key and Displays

Lower Display: Indicates

the set point, output value,

parameters for data in the

upper display, or error and

alarm codes.

• To set to blank: set

[`dSP] to [`Pro] in the

Setup Menu.

Infinity Key

• Press once to clear any

latched alarms. It also

disables the deviation alarm

output if silencing is enabled.

• Press again within five

seconds to change from Auto

to Manual or vice versa. While

in Manual mode, percent

power is in the lower display.

% Percent Power Indicator

Light

• Lit: the controller is in Manual

operation. Press the ˆInfinity

key twice to enter Automatic

operation.

• Blinking: press the ˆInfinity

key to toggle between Auto and

Manual. Returns to its previous

state and stops blinking if the

ˆInfinity key is not pressed

within five seconds.

Output 1 Indicator Light: Lit

when Output 1 is energized.

Upper Display: Indicates

the process value, actual

temperature, operating

parameter values or an open

sensor. When powering up,

the Process display will be

blank for five seconds.

• To set to blank: set [`dSP]

to [`SEt] in the Setup

Menu.

Advance Key: Press to

step through the

Operations, Setup and

Calibration Menus.

In the Auto mode, new

data is self-entering in five

seconds.

Output 2 Indicator Light: Lit

when Output 2 is active. This

output can be configured as

a control or alarm output.

Up-arrow and Down-

arrow Keys: Increases or

decreases the value of the

displayed parameter.

• Press lightly to increase

or decrease the value by

one.

• Press and hold down to

increase or decrease the

displayed value at a rapid

rate. New data will self-

enter in five seconds, or

can be entered by

pressing the Advance

Key.

• Press both

simultaneously for three

seconds to enter the

Setup Menu. The [`LOC]

parameter appears.

• Continue pressing both

keys to enter the

Calibration Menu.

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Watlow Series 93 User Manual Page 17

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