No.1004 2007インダストリ特集号 機械設備における安全制御の考察 |
| カテゴリー | 資料 |
|---|---|
| 筆者 | 工作機械・メカトロ事業本部 メカトロ制御技術部 宮脇信芳 |
| 要旨 | Since the establishment of ISO12100 (machine safety basic concepts and design-related general principles) in 2004, machine makers in Japan have been paying great attention to design safety. Especially in the machine control field, safety protection control measures based on system risk assessment are required. In accordance with the popularity of safety control measures, safety machine control systems with a reliable and user-friendly safety PLC (programmable logic controller) have been widely used. "Machinery Safety" refers to the safety of machines including the control system. This document describes safety design measures, safeguards, complementary protective measures, and additional protection measures based on ISO12100. Furthermore, the applicable scope of safety PLC and applicable stop categories according to the international safety standard are described regarding fail-safe safety systems including safety PLC supporting such measures using JTEKT's safety PLC TOYOPUC-PCS as an example. Concrete fail-safe control systems using a safety PLC are also described. |
| キーワード | machine, inherent safety, functional safety, fail safe, safety PLC |
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