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This month's "Tip of the Month" addresses the need for burnout circuits for thermocouples," and explains why it is necessary to have a burnout circuit that can detect sensor disconnection. Also, "Calibration Correction" has been added to the µR Series of Intelligent Industrial Recorders in response to particularly numerous requests related to temperature control in disinfection of foodstuffs and pharmaceuticals and other such applications. Two other new functions have also been added, so please see below for details.
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 New Function:
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Added to the µR Series of Intelligent Industrial Recorders |
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 Tips of the Month:
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The Need for a Burnout Circuit for Thermocouples
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 Application Examples: |
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Frequently Asked Questions |
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New Function |
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Added to the µR Series of Intelligent Industrial Recorders |
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Due to significant popular demand, we are releasing an Calibration Correction Function for temperature control in foodstuff and pharmaceutical disinfection and other applications. We have also added a convenient Portable Type and 24 VDC/AC Power Supply (both are optional).
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 For more details
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Tips of the Month |
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The Need for a Burnout Circuit for Thermocouples |
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When thermocouples sensors experience disconnections, the receiving instrument indicates or records the incorrect value. For example, when a controller is used for part of a combustion plant, if a sensor becomes disconnected a lower-than-normal temperature value is output resulting in excessive fuel being supplied which could cause a major accident. If the controller were used for research, erroneous data could result.
To avoid these kinds of situations, measurements can be taken of data by first using a normal sensor then using a disconnected sensor in order to distinguish between the two.
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For more details
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NetSOL Online team
ns@cs.jp.yokogawa.com
Network Solutions Product Marketing Department
Control Products Business Division
Industrial Automation Business Headquarters
Yokogawa Electric Corporation
Copyright 2005-2006 Yokogawa Electric Corporation. All right reserved.
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Volume 9, Feb. 23, 2006
