| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a heater temperature controller capable of controlling the temperature of a heater at low costs, and accurately judging the abnormality of each heater or the abnormality of a temperature sensor. <P>SOLUTION: This heater temperature controller disposed for each heater 10 set at a plurality of places is able to control the temperature of each heater 10 at low costs, and to accurately judge the abnormality of each heater 10 or the abnormality of a temperature sensor. Also, this heater temperature controller outputs an abnormality detection signal by a radio communication system, and receives the abnormality detection signal, and audibly or visually announces the abnormality, so that the abnormality of a plurality of heaters or the abnormality of the temperature sensor is integrally monitored in one place and a countermeasure against the occurrence of the abnormality is quickly taken. In addition, all the heaters 10 set in a plurality of places are connected to a personal computer 13, so that the temperature of each heater can be easily controlled, and that the temperature data can be easily prepared and preserved. <P>COPYRIGHT: (C)2003,JPO</p> |
