Title:
SCADA WEB HMI SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/181409
Kind Code:
A1
Abstract:
This SCADA web HMI system draws an HMI screen including a first strip part disposed in a first zone and an extendable second strip part disposed in a second zone. The first strip part and the second strip part are drawn each drawing cycle shorter than the reception cycle of PLC signals. The tip position of the first strip part is calculated each drawing cycle from the time when a first PLC signal is received, on the basis of a transfer speed and an elapsed time included in the first PLC signal. The drawing size of the first strip part is set to the length from the entry side of the first zone to the tip position of the first strip part. Further, if the tip position of the first strip part has not reached the second zone when a second PLC signal is received, the drawing size of the first strip part is set to the zone length of the first zone.
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Inventors:
HASHIZUME TAKAHARU (JP)
FUJIEDA HIROYUKI (JP)
SHIMIZU RYO (JP)
NOJIMA AKIRA (JP)
SHIMIZU NOBUO (JP)
FUJIEDA HIROYUKI (JP)
SHIMIZU RYO (JP)
NOJIMA AKIRA (JP)
SHIMIZU NOBUO (JP)
Application Number:
PCT/JP2022/014678
Publication Date:
September 28, 2023
Filing Date:
March 25, 2022
Export Citation:
Assignee:
TOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP (JP)
International Classes:
G05B23/02; B21B38/00
Domestic Patent References:
| WO2020090027A1 | 2020-05-07 | |||
| WO2022003818A1 | 2022-01-06 |
Foreign References:
| CN103372573A | 2013-10-30 | |||
| JP2003280732A | 2003-10-02 | |||
| CN103861877A | 2014-06-18 | |||
| JP2014147950A | 2014-08-21 |
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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