(19)
(11)EP 2 701 024 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
31.05.2017 Bulletin 2017/22

(43)Date of publication A2:
26.02.2014 Bulletin 2014/09

(21)Application number: 13181111.9

(22)Date of filing:  20.08.2013
(51)International Patent Classification (IPC): 
G05B 19/418(2006.01)
G05B 23/02(2006.01)
H04L 12/26(2006.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30)Priority: 22.08.2012 JP 2012183090

(71)Applicant: Yokogawa Electric Corporation
Tokyo 180-8750 (JP)

(72)Inventors:
  • Nakamura, Masafumi
    Tokyo, 180-8750 (JP)
  • Ishikawa, Ikuhiko
    Tokyo, 180-8750 (JP)

(74)Representative: Henkel, Breuer & Partner 
Patentanwälte Maximiliansplatz 21
80333 München
80333 München (DE)

  


(54)Portable device maintenance support apparatus, system, and method


(57) A portable device maintenance support apparatus includes one set of terminals configured to connect to a hybrid communication network performed based on any one of a plurality of protocols, by a compound signal in which an analog signal is superimposed with a digital signal including at least device information, the hybrid communication network being performed between the portable device maintenance support apparatus and a field device, the one set of terminals being common to the plurality of protocols.







Search report









Search report