CONTROL ITEM STATE MONITORING APPARATUS, CONTROL PANEL USING THE SAME AND CONTROL ITEM STATE MONITORING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a control item state monitoring apparatus, a control panel using the same and a control item state monitoring method capable of reliably receiving and displaying process values of a control item.;SOLUTION: A control item state monitoring apparatus 1 includes: control item information transmission cards 5 which are connected to control items 4 provided within a control panel enclosure 3, each card having an IC tag 7 that is capable of storing and transmitting a piece of identification information and a process value 42 of each control item 4 as a piece of control item information 43 of each control item 4, and a process value processing section 6 which receives input and output signals 41 relevant to operation of the control item 4 and stores the same in the IC tag 7 as process values 42; a control item information communication unit 9 which receives the control item information 43 from the IC tags 7; a display provided on an outer surface of the control panel enclosure 3; and a calculation section 12 that displays the control items 4 and the process values 42 on the display using the control item information 43.;COPYRIGHT: (C)2013,JPO&INPIT