Title:
コントローラ通信処理方法
Document Type and Number:
Japanese Patent JP4283421
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve responsiveness in the input of control data even in the case of a communication task started by an event such as the rewriting of a control program parameter having low priority, the monitoring of control operation information and the input of control data. SOLUTION: An external input monitoring part 22 checks a flag 25 concerned with communication data, checks a command when there are communication data and sets up a control data flag 26 when there are control data. A control operation processing part 23 checks the control data flag 26 before starting the operation processing of an application program, performs communication data processing concerned with the input of control data when the control data exist and returns the data to a network interface 2.
Inventors:
Hiroshi Sewai
Application Number:
JP2000145872A
Publication Date:
June 24, 2009
Filing Date:
May 18, 2000
Export Citation:
Assignee:
Shimadzu System Solutions Co., Ltd.
International Classes:
G06F9/46; G06F9/48; H04L12/28
Domestic Patent References:
| JP4076603A | ||||
| JP62152004A |
Attorney, Agent or Firm:
Shigenobu Nakamura