| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce labor for grasping a state of a field apparatus. <P>SOLUTION: A field apparatus management system includes: a field apparatus 21 which sets a device ID to be allocated to any of unit groups; an IO unit 22 which transmits/receives an HART communication signal to be inputted/outputted to/from the field apparatus 21 and transmits/receives a DC signal included in the HART communication signal and a digital signal superposed to the DC signal; a management section 31 which receives the digital signal inputted/outputted to/from the IO unit 22 and manages a state of the field apparatus 21 in each unit group based on the digital signal; and a storage section 32 which stores authority information of each unit group, which is applied to the management part 31. The management section 31 refers to the authority information and manages the state of the field apparatus 21 corresponding to the digital signal within a range of authority permitted to the unit group to which the field apparatus 21 corresponding to the digital signal belongs. <P>COPYRIGHT: (C)2012,JPO&INPIT |
