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• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  4.1 General
  General This document specifies a safety communication layer ( SCL ) allowing safety-related devices to use the services of OPC UA for the safe exchange of safety-related data. A safety
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  4.2 Implementation aspects
  technical measures for error detection described in this document shall be implemented within the SCL in devices designed in accordance with the IEC 61508 series and shall meet the target
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  5.3 Safety measures
  Table 2 . [RQ5.3] The safety measures shall be processed and monitored within the SCL . Table 2 - Deployed safety measures to detect communication errors Communication error Safety measures MonitoringNumber a Timeout
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  5.4 Safety communication layer structure
  SafetyProvider and SafetyConsumer as basic building blocks. Together, they form the safety communication layer ( SCL ), implemented in a safety-related way according to the IEC 61508 series. SafetyData is transmitted
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  6.3.1 Overview
  troubleshooting the safety communication. The OPC UA Platform Interface ( OPC UA PI ) connects the SCL to the non-safe OPC UA stack and is used during runtime. The interfaces ( SAPI
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  7.2.2.1 General
  General The two SCL services SafetyProvider and SafetyConsumer are specified using state diagrams
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  10.3 Index of requirements (informative)
  data integrity check) 5.3 Safety measures RQ5.3 Process and monitor safety measures in the SCL 5.3 Safety measures RQ5.4 Start CRC calculation with value "1" 5.5 Requirements