Watlow EZ-ZONE ST User Manual download pdf (Page 7)

Watlow EZ-ZONE

ST • 5 • Chapter 1 Over view

Getting Started Quickly

The ST control has a page and menu structure that is

listed below along with a brief description of its pur-

pose.

Setup Page

Push and hold the up

and down keys (¿ ¯)

for 6 seconds to enter.

(See the Setup Page for

further information)

Once received, a user

would want to setup

their control prior to op-

eration. As an example,

define the input type

and set the output cycle

time.

Operations Page

Push and hold the up

and down keys (¿ ¯)

for 3 seconds to enter.

(See the Operations

Page for further infor-

mation)

After setting up the con-

trol to reflect your equip-

ment, the Operations

Page would be used

to monitor or change

runtime settings. As an

example, the user may

want to see how much

time is left in a profile

step or perhaps change

the autotune set point.

Factory Page

Push and hold the In-

finity and the green

Advance keys (ˆ

‰

) for

6 seconds to enter. (See

the Factory Page for fur-

ther information)

For the most part the

Factory Page has no

bearing on the control

when running. Here, a

user may want to enable

password protection,

view the control part

number or perhaps cre-

ate a custom Home Page.

Profile Page

Push and hold the the

green Advance key

‰

for

6 seconds to enter. (See

the Profile Page for fur-

ther information)

If equipped with this

feature, a user would

want to go here to con-

figure a profile.

The default ST loop configuration out of the box is

shown below:

• Analog Input functions set to thermocouple, type J

• Heat algorithm set for PID, Cool set to off

• Output 1 set to Heat

• Control mode set to Auto

• Set point set to 75 °F

If you are using the input type shown above, simply

connect your input and output devices to the control.

Power up the control and push the up arrow ¿ on

the face of the control to change the set point from

the default value of 75 °F to the desired value. As the

Set Point increases above the Process Value, output 1

will come on and it will now begin driving your output

device.

Note:

The output cycle time will have a bearing on the

life of mechanical relay outputs and can be differ-

ent based on the type of output ordered. The output

cycle time can be changed in the Setup Page under

the Output Menu.

EZ-ZONE ST Default Configuration

Thermocouple Type J

Analog Input 1

PID

Controller

Heat

Loop 1

Input Sensor

Heat

Output

Function

Input

Function

Output 1

1 2 3 4 5 6 7 8 9 10 11 12 ... 96 97

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Watlow EZ-ZONE ST User Manual Page 7

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