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Pub. No.:    WO/2012/111229    International Application No.:    PCT/JP2011/078901
Publication Date: 23.08.2012 International Filing Date: 14.12.2011
H04L 12/28 (2006.01), G05B 19/05 (2006.01), H04L 12/24 (2006.01), H04L 12/56 (2006.01)
Applicants: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD. [JP/JP]; 3, Kanda Neribei-cho, Chiyoda-ku, Tokyo 1010022 (JP) (For All Designated States Except US).
MOCHIZUKI Yoshinori [JP/JP]; (JP) (For US Only).
KOIZUMI Minoru [JP/JP]; (JP) (For US Only).
TAKAHASHI Ichiro [JP/JP]; (JP) (For US Only)
Inventors: MOCHIZUKI Yoshinori; (JP).
KOIZUMI Minoru; (JP).
Agent: ASAMURA PATENT OFFICE, p.c.; Tennoz Central Tower, 2-2-24 Higashi-Shinagawa, Shinagawa-ku, Tokyo 1408776 (JP)
Priority Data:
2011-028089 14.02.2011 JP
(JA) 通信システム
Abstract: front page image
(EN)A communication system comprising a programmable logic controller and a plurality of controlled devices connected to the programmable logic controller, wherein respective addresses have been assigned to the plurality of controlled devices in accordance with a predetermined rule and wherein when the programmable logic controller multicasts a request directed to the controlled devices, the plurality of controlled devices having received the request multicast respective responses to the request in an order determined on the basis of a predetermined rule.
(FR)La présente invention concerne un système de communication comprenant un contrôleur logique programmable et une pluralité de dispositifs commandés connectés au contrôleur logique programmable. Des adresses respectives sont assignées à la pluralité de dispositifs commandés selon une règle prédéterminée et, lorsque le contrôleur logique programmable diffuse une demande adressée aux dispositifs commandés, la pluralité des dispositifs commandés ayant reçu la demande diffusent des réponses respectives à la demande dans un ordre déterminé sur la base d'une règle prédéterminée.
(JA) プログラマブルロジックコントローラと当該プログラマブルロジックコントローラに接続される複数の制御対象機器とを有する通信システムであって、複数の制御対象機器には、所定のルールに従ってアドレスが割り当てられており、プログラマブルロジックコントローラが制御対象機器に対する要求をマルチキャスト送信すると、要求を受信した複数の制御対象機器は各々、所定のルールに基いて定まる順番で、要求に対する応答をマルチキャスト送信する。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)