| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a configuration in which communication with the outside of casing is hardly influenced by temporal deteriorations and disturbances, and increase in cost and degradation of reliability can be prevented, in a compressor unit in which a control device is arranged within an enclosed casing. <P>SOLUTION: In a casing (10), a terminal (21) is provided, to which a signal line (36) connected to a control device (30) and a signal line (45) outside the casing are connected inside and outside of the casing (10). The control device (30) has a communication unit (30a) for performing transmission and reception of a plurality of signals via the above-described signal lines (36, 45) a multiplexed state. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
