As a result, it is possible, for example, when the control unit 12 establishes a problem or the like at a specific field bus module 18, to activate {TAIL ~ the corresponding address connector} 46 which is pushed into the field bus module 18 and cause the display unit 56 to show {HEAD ~ a specific signal} 
As a result , it is possible , for example , when the control unit 12 establishes a problem or the like at a specific field bus module 18 , to activate { TAIL ~ the corresponding address connector } 46 which is pushed into the field bus module 18 and cause the display unit 56 to show { HEAD ~ a specific signal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD