TEMPERATURE ESTIMATION APPARATUS AND METHOD IN THERMOCOUPLE INPUT MODULE OF PLC
First Claim
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1. A temperature estimation apparatus estimating a temperature of thermo-electromotive force inputted from a plurality of thermocoupler input units, the apparatus comprising:
- a converter converting an analogue signal corresponding to the thermo-electromotive force to a digital data; and
a controller estimating a temperature corresponding to the thermo-electromotive force converted to the digital data.
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Abstract
Disclosed is a temperature estimation apparatus and a method in thermocoupler input module of PLC, wherein the estimation according to the present invention is performed in such a manner that an analogue signal corresponding to a thermo-electromotive force is converted to a digital data, and the estimation is performed using a predetermined temperature estimation function corresponding to the thermo-electromotive force converted to the digital data.
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16 Claims
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1. A temperature estimation apparatus estimating a temperature of thermo-electromotive force inputted from a plurality of thermocoupler input units, the apparatus comprising:
- a converter converting an analogue signal corresponding to the thermo-electromotive force to a digital data; and
a controller estimating a temperature corresponding to the thermo-electromotive force converted to the digital data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- a converter converting an analogue signal corresponding to the thermo-electromotive force to a digital data; and
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11. A temperature estimation method, the method comprising:
- converting an analogue signal corresponding to a thermo-electromotive force to a digital data; and
estimating a temperature corresponding to the thermo-electromotive force converted to the digital data. - View Dependent Claims (12, 13, 14, 15, 16)
- converting an analogue signal corresponding to a thermo-electromotive force to a digital data; and
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