PILZ可编程安全系统PSS3000在冶金自动化系统中的应用

文章介绍了PILZ PSS3000技术原理,以及某钢铁生产线急停系统详细的硬件设计过程。该方案简单、实用,对由其它类型PLC和上位机组成的系统的紧急停车及安全停车的实现有一定的参考价值。     

浅谈基于APCS3000系统的集控站设计

本文提出了传统变电站自动化系统、管理层和调度层等存在的问题,并简单介绍APCS3000系统的特点及功能,提出建设新的集控站的总体思路,并从运行模式和网络模式方面,提出针对不同问题的解决方案.     

Pretesting the effectiveness of industrial advertising

This article addresses the pretesting of industrial advertising messages diffused through (mass) communications media such as professional and trade journals. It is based on case-study experience and presents a normative framework for pretesting industrial advertising.     

Extended external reporting assurance: Current practices and challenges

This paper summarizes the UNCTAD ISAR WBCSD Webinar—Assurance on Sustainability Reports: Current Practices and Challenges, which explored views and practices on assurance of extended external reporting (EER) and identified challenges and potential ways forward. Stakeholders are demanding more accountability, as reflected in increased publication of EER and regulatory developments. EER can play an important role in rebuilding trust by catalyzing corporate focus and disclosure of business‐centric matters material to stakeholders including strategy, business model, governance, and greater transparency on other material non‐financial matters. Relatedly, EER cannot rebuild trust unless disclosures are credible and viewed as credible. Therefore, it is important that assurance, and other credibility enhancing techniques, is developed alongside EER frameworks and takes account of regulatory initiatives. We expand on lessons outlined during the Webinar by highlighting questions posed by participants, providing a historical overview of European regulatory developments (e.g., Directive 2014/95/EU and a forthcoming revision), providing a historical overview of the IAASB’s development of ISAE 3000 and forthcoming guidance on addressing major challenges aimed at supporting EER assurance, and providing an overview of practice‐focused publications addressing EER assurance. We conclude with an assessment of the way forward in regard to possible changes in the EER institutional setting, potential harmonization of EER standards, and the ability to provide reasonable versus limited assurance. Along with our companion paper (Venter and van Eck, 2021, 32), we contribute to the current discussion on EER assurance by providing a comprehensive assessment of the EER assurance landscape.     

DCS与PLC通讯技术的实施策略

刘建宇本文以大庆炼化公司SIEMENSPLC和YOKOGAWA CS3000之间的通讯为例．介绍PLC与DCS之间MODBUS通讯策略,并结合应用实例,着重分析了一些技术要点、难点及解决方案。并介绍了Honeywell TPS系统的MODBUS通讯策略。     

SDZ3000测井系列定额编制中若干问题及解决方法探讨

本文针对SDZ3000快速平台测井新工艺的特点,阐述了在编制该类测井定额过程中遇到的若干问题及解决方案,并提出了制定测井工程定额的一些看法和建议。