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컴퓨터와 간의 데이터 통신 지연 축소를 위한 신호 PLC 처리 방법Signal Processing Method to Reduce Data Communication Delay between Computer and PLC
- Other Titles
- Signal Processing Method to Reduce Data Communication Delay between Computer and PLC
- Issue Date
- Aug-2024
- Publisher
- 한국기계가공학회
- Keywords
- PLC(프로그래머블 로직 컨트롤러); PC(개인용 컴퓨터); Cycle Time(사이클 시간); Protocol( 프로토콜); Data Communication(데이터 통신)
- Citation
- 한국기계가공학회지, v.23, no.8, pp 49 - 54
- Pages
- 6
- Indexed
- KCI
- Journal Title
- 한국기계가공학회지
- Volume
- 23
- Number
- 8
- Start Page
- 49
- End Page
- 54
- ISSN
- 1598-6721
2288-0771
- Abstract
- This paper presents a signal processing method aimed at reducing communication delays occurring duringdata transmission between computers and Programmable Logic Controllers (PLCs) used in automationequipment control. By analyzing the processing time of each internal PLC process to identify the causes ofcommunication delays, we observed that processing time increased with the communication process workload. Based on this analysis, we developed a formula and signal processing method capable of dynamicallyadjusting response waiting times and the number of data points by reading the PLC scan time prior to datatransmission. Experimental results conducted in a configured communication test environment demonstrated areduction in scan time of over 18% for XGT PLCs and more than 30% for MELSEC PLCs. Therefore,the communication signal processing method proposed in this paper can effectively enhance datacommunication between computers and PLCs.
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Collections - 공학계열 > 융합기계공학과 > Journal Articles
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