Design of Monitoring System of Injection Molding Machine Based on S7-1200PLC

XU Jingtian, HUANG Chenxi

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PDF(3029 KB)
Plastics Science and Technology ›› 2025, Vol. 53 ›› Issue (03) : 140-144. DOI: 10.15925/j.cnki.issn1005-3360.2025.03.025
Plastic Machinery and Mold

Design of Monitoring System of Injection Molding Machine Based on S7-1200PLC

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Abstract

The injection molding machine is a critical device for transforming thermoplastic or thermosetting materials into various plastic products using plastic injection mold. According to the technological process and control requirements of injection molding machine, a PLC monitoring system is designed, which can realize automated control and real-time monitoring by hardware and software. The hardware includes S7-1200 PLC, HMI touch screen, sensors and actuators. PLC collects and processes data such as temperature, pressure and position to ensure accurate control. The software utilizes TIA Portal V17 for PLC programming and HMI configuration, creating a user-friendly interface to realize real-time data display and parameter setting, along with alarm function. Test results show that the monitoring system improves the reliability and stability of injection molding machine, greatly increasing the production efficiency and quality of molded products.

Key words

Injection molding machine / Programmable logic controller / Monitoring system / Touch screen

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XU Jingtian , HUANG Chenxi. Design of Monitoring System of Injection Molding Machine Based on S7-1200PLC. Plastics Science and Technology. 2025, 53(03): 140-144 https://doi.org/10.15925/j.cnki.issn1005-3360.2025.03.025

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