Profile Programming Guide Ez Zone

Summary

EZ-ZONE CONTROLLERS
Profile Programming Guide
SHEL LAB Ovens
TABLE OF CONTENTS
Last Revised: January 30, 2018
Part Number (Guide): 4112000
INTRODUCTION ........................................................................................................................... 3
Profile Elements ...................................................................................................................................................................... 3
Power and Memory................................................................................................................................................................ 3
Powering an Attached Exhaust Blower ........................................................................................................................... 4
PROGRAMMING ........................................................................................................................... 5
Simple Heating Recipe Profile Example .......................................................................................................................... 5
Quick Launch ......................................................................................................................................................................... 12
Programming Profiles 2 - 4 ................................................................................................................................................ 13
Launching Profiles ................................................................................................................................................................ 14
Combining Profiles ............................................................................................................................................................... 15
Aborting a Running Profile ................................................................................................................................................. 16
2|Page
INTRODUCTION
PROFILE ELEMENTS
The Watlow EZ-Zone oven controller can hold up to 4 heating profiles. A profile is a heating recipe
captured in software form in order to automate multi-step baking or heat treatment applications

Each profile has 10 steps allocated to it, with the steps stored sequentially in the controller memory

• Profile 1: Steps 1 – 10 Chamber temperature
red (top)
• Profile 2: Steps 11 – 20
Temperature set point
• Profile 3: Steps 21 – 30
green (middle)
• Profile 4: Steps 31 – 40
Display Homepage
Each step is used to initiate 1 of the following options:
Timed Interval (ti)
The Timed Interval includes temperature parameters and time parameters for heating up or
allowing the oven to cool down over a set period. This is also known as ramping up or
ramping down. The controller calculates and uses a proportional rate of power to heat to
temperature within the programmed time interval, starting from the present oven chamber
heat state. Always account for the maximum heating rate of the oven when setting this
parameter to ramp up or for ambient conditions when setting the oven to cool down

The maximum programmable time limit for the controller is 99 hours, 55 minutes

Soak (SoAh)
Sets time parameters for running the oven at a constant temperature. A Soak step always
uses the temperature set point of the previous step

End (End)
Terminates a running profile. Always select the User “USEr” parameter option for End. This
setting restores the oven to operator control and returns the oven to its pre-profile heating
state

POWER AND MEMORY
Heating profile steps remain stored when the oven is turned off or experiences a power outage. In
the event of a power interruption while running a profile, the oven will restart if the Power switch is in
the ON position, but it will not automatically resume the profile. The operator must re-launch an
interrupted profile

3|Page
INTRODUCTION
Note: This section does not apply to vacuum ovens

POWERING AN ATTACHED EXHAUST BLOWER
For High Performance Forced Air Ovens only
Depending on the model type, your SMOHP oven may be provided with an external electrical outlet,
intended for powering an accessory exhaust blower fan mounted on the oven exhaust vent

The power outlet and any attached blower can be turned on as part of a heating profile. Watlow
controllers for these ovens include an Event 1 parameter as one of the final parameters for most step
types. When the Event 1 parameter is set to On, the oven routes power to its external power outlet

When the profile reaches the next step in which Event 1 is set to Off, the oven depowers the outlet

• The Event 1 parameter is set to Off by default. It must be set to On for each profile step in
which power will be supplied to an exhaust blower

• The Event 2 parameter does not have a pre-programmed function

Note: The exhaust blower will suffer damage if directly exposed for prolonged periods to air 80°C or hotter
while turned off. The exhaust vent the blower is mounted on should remain closed until the blower is
activated. The vent dampener must be manually opened

Event 1 Parameter Set to On
“2” illuminates when oven is calling for heat
“3” illuminates when Event 1 is set to On
4|Page
PROGRAMMING
SIMPLE HEATING RECIPE PROFILE E XAMPLE
• Step 1: ramps the oven up to 150°C over a 1-hour period
• Step 2: soaks at 150°C for 4 hours
• Step 3: ends the profile and returns the oven to manual user control
Step 2: Soak, 4 Hours, 0 Minutes, 0 Seconds, Events off
Step 3: End
Step 1: Time Interval, 150°C, 1 Hour, 0 Minutes, 0 Seconds, Events off
The constant temperature set point on the homepage is set to zero in this example. When the profile
reaches its End step, the oven returns to the constant temperature set point. In this case, it will cool
to room temperature plus waste heat from the oven

Continued on next page
5|Page
PROGRAMMING
Programming the Example Profile
If at any time during the procedure you find yourself on the wrong screen, push the Reset button
once to return to the previous menu page

Access the Profile Page
1. Advance to the Profile (ProF) page, starting from the Home Page
• The display will advance between pages twice

Release the button when the display shows “ProF” in
Press and the green middle line

Hold for 5
Seconds • Note: The P1 indicates that Profile 1 is selected. The
Arrow buttons scroll through all 4 profiles on this
page. Stay on P1 for this exercise

Step 1 (Profile 1) 1-hour ramp up to 150°C
1. Access the Profile 1 Step Selection menu
Step 1 (top)
1X Profile 1 (middle)
2. Advance to the Set Up (S.TYP) options menu for Step 1
1X
Continued next page
6|Page
PROGRAMMING
3. Scroll to the Timed Interval Option for the Set Up
• Push UP or DOWN arrow repeatedly until the top line
shows “ti”
• “ti” indicates the Timed Interval Option is selected
• Note: Timed Intervals are used to ramp up or ramp
down the oven temperature over a programmed
Push period

Repeatedly
4. Advance to the Interval Temperature Set Point parameter page
• T.SP1 indicates Temperature Set Point

• This is the temperature the oven will heat up or
passively cool down to during the interval

1X
5. Adjust the Temperature Set Point to 150°C
• Temperature Set Point set to 150°C

• Note: Pressing and holding an arrow button will
cause the temperature to advance in increments
of ten (10)

Push
Repeatedly
6. Save the Set Point and Advance to the Hours parameter page
• Hours parameter for the Timed Interval

1X • Note: Pushing the Advance button both saves
the new temperature set point and advances to
the hour parameter

7. Set the Hours Parameter
• Set to 1 Hour

• Note: This is the time in hours the oven will spend
1X reaching the 150°C entered above. Account for the
maximum heating rate of the oven whenever you
set this parameter

Continued Next page
7|Page
PROGRAMMING
8. Save the Hours parameter setting, and Advance to the Minutes parameter page
• Minutes parameter for the Timed Interval

1X • Note: Pushing the Advance button saves the
Hour setting and advances to the Minutes
parameter
9. Leave the Minutes parameter set to zero and Advance to the Seconds parameter
• Push the Advance button without adjusting the
Minutes Parameter

1X
10. Advance through the Event parameters making no adjustments
• Pushing Advance twice skips through both Event
pages, returning to the Set Up parameters
2X option

• This leaves both Event parameters set to Off

11. Return to the Profile 1 Step Menu once on the Set Up menu page
• Set Up parameter menu, Timed Interval selected

1X
Step 1 of Profile 1 Now Saved
• Profile 1 Step Selection menu

Continued next page
8|Page
PROGRAMMING
Step 2, 4-hour constant temperature soak at 150°C
1. Scroll to Step 2
• Step 2 of Profile 1 selected

1X
2. Advance to the Set Up (S.TYP) Options menu for Step 2
1X
3. Scroll to the Soak Option
• Push the Up or Down arrow buttons repeatedly until
the top line shows “SoAh”

• Note: This is the heat Soak option used to operate
the oven chamber at a constant temperature over a
selected period. The Soak uses the temperature set
Push Repeatedly point from the previous profile step

4. Advance to the Soak Hours parameter page
• Hours parameter for the Soak interval

1X
5. Set the Hours Parameter
• Set to 4 Hours for this exercise

• Note: This is the time in hours the oven will spend
soaking at the temperature entered in Step 1

Continued next page
9|Page
PROGRAMMING
6. Save the Hours setting and Advance to Set Up menu page
• Pushing the Advance button 5 times saves the
Hours setting, then skips through the Minutes,
5X Seconds, and both Event parameters

• Note: This leaves the Minutes and Seconds for
Step 2 set to 0 (zero) and the Events set to Off

7. Return to the Profile 1 Step Selection menu
• Step 2, Profile 1

1X
Step 3, Terminate Profile, Restore User Control
1. Scroll to Step 3
• Step 3 of Profile 1 selected

2. Advance to the Set Up Options menu for Step 3
1X
3. Scroll to End option
• Push the Up or Down arrow buttons repeatedly to scroll
to “End”

• Note: This option terminates an active profile when the
End step is reached

Push Repeatedly
Continued next page
10 | P a g e
PROGRAMMING
4. Advance to End option parameter page
• Note: Always leave this parameter set to “USEr”

User restores control of the oven to the operator
when the profile terminates and resumes running at
1X the previous constant temperature set point

5. Advance through the rest of the End loop parameters
• This returns the display to the Set Up options menu
3X without changing the End or Event parameters

6. Return to the Profile 1 Step Selection menu
• Step 3, Profile 1

1X
7. Return to the Homepage
2X
The profile is now ready to launch

11 | P a g e
PROGRAMMING
QUICK LAUNCH
Profile 1 (Step 1) can be quick launched using the EZ1 Button

1. Push the EZ1 button
Constant Temp. Set
Point shows 0.0 while
a profile is active on Ramping icon
most ovens. illuminates
“2” illuminates “EZ1” indicates
when heating quick-launched
after calculations profile active
Profile 1 is now active and will run for its complete duration unless aborted by
pushing the EZ1 Button again

In some ovens, such as the SMO10HP-2 and SMO28HP-2, the EZ2 button launches heating profile 2

Pushing EZ2 again aborts profile 2

12 | P a g e

5 Page PROGRAMMING . SIMPLE HEATING RECIPE PROFILE EXAMPLE • Step 1: ramps the oven up to 150°C over a 1-hour period • Step 2: soaks at 150°C for 4 hours • Step 3: ends the …

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Frequently Asked Questions

What is ez zone configurator?

EZ-ZONE® Configurator. EZ-ZONE® Configurator software allows Watlow® EZ-ZONE products like PID controllers, integrated controllers, solid state controllers and others to be configured in one simple process. Its interface is flexible and easier to read than the basic remote user interface (RUI).

Can the ez zone pm be used as a pid controller?

You can order the EZ-ZONE PM as a PID controller or an over-under limit controller, or you can combine both functions in the PM Integrat- ed Limit Controller. You now have the option to in- tegrate a high-amperage power controller output, an over-under limit controller and a high-performance PID controller all in space-saving, panel-mount packages.

How many ez zone pm controllers can i connect to a network?

• Do not connect more than 16 EZ-ZONE PM controllers on a network. • maximum network length: 1,200 meters (4,000 feet) • 1/8th unit load on EIA-485 bus PM _ _ _ _ _-[A]AAAA _ _ Modbus RTU or Standard Bus EIA-485 Communications

Where are ez zone products made?

EZ-ZONE PM User’s Manual 0600-0058-0000 Rev. J Made in the U.S.A. March 2010 User’s Manual Registered Company Winona, Minnesota USA