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Yokogawa places 1st in Control Magazine's Readers' Choice Awards.

Yokogawa placed 1st in both the Recorder and Process Loop Controller categories in Control Magazine's 2009 Readers' Choice Awards. 

 

 

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Controllers FAQ
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Autotune Controller

When I go to AutoTune my controller, the AT parameter does not appear. What's wrong?

Make sure the controller is in AUTO mode. AT will not appear when the controller is in MANUAL.

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Changing segment setpoint in a ramp segment

I need to change the setpoint in a ramp segment ou my UP550 or UP750, How do I do this?

This functions can only be accomplished by puting the controller in to hold mode. The hold function enables program control to stand still in its program operation.

To change the segment setpoint during an ascending or descending ramp segment, follow the following steps:

 

1.        Place the controller into the “HOLD” mode by pressing the “mode” key until  “HOLD: ON” appears in the LCD display. Press enter. The HLD indicator light will illuminate.

2.        Using the front key pad acces the program that is currently running. Scroll to the segment that is actually running.

3.        Change the TSP in that segment to your new setpoint and press enter.

4.        Press the DISP key three times or until the controller is back in the operating mode.

5.        Place the controller back into run mode by pressing the “mode” key until  “HOLD: OFF appears in the LCD display. Press enter. The HLD indicator light will go out.

6.        The controller will now ramp to the new setpoint.

 

Please note that the new setpoint that was set will be the new setpoint when the program is run again.

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Lost Password

Did you forget the password to your Yokogawa Green Series Controller?

These procedures will help you gain access to the controllers.


Read more...
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Passwords to Initialize UTAdvanced

Initializing to UT to Factory Defaults

Front Panel Password: "-12345"

LL50A Software Password: "UTAdvanced_INIT"

 

Initializing to UT to User Defaults

Front Panel Password: "12345"

LL50A Software Password: "UTAdvanced_USER_INIT"

 

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Restore Controller to Default Settings

How to Reset a Green Series Controller to Factory Default Settings.

1. With the power disconnected, hold the up and down arrow keys simultaneously and apply power. Continue holding the keys until the display reads “test”.

2. With the 300 series, a password is required. Use "727".

3. Change the test number to “91”. Press enter.

4. Change “trg” from 0 to 1 and press enter. He controller display will blink off and then on.

5. Cycle power.

6. The controller is now set to factory defaults.

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