Search

4 result(s) for substitute values

• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  5.3 Safety measures
  deliver actual process values to the safety application but will deliver fail-safe substitute values instead. In addition, an indication at the Safety Application Program Interface is set which
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  5.4 Safety communication layer structure
  configuration). If this expectation is not fulfilled by the SafetyProvider , fail-safe substitute values are delivered to the safety application instead of the received process values . In contrast
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  6.4.2 Diagnostics messages of the SafetyConsumer
  incorrect ID. 0x01 A Yes SD_IDerrOA The SafetyConsumer has switched to fail-safe substitute values due to an incorrect ID. Operator acknowledgment is required. Mismatch of SafetyBaseID .2 0x11 ... IDerrOA The SafetyConsumer has switched to fail-safe substitute values due to an incorrect ID. Operator acknowledgment is required. Mismatch of SafetyProviderID . 0x12 B, E Yes SD_IDerrOA The SafetyConsumer
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  7.2.1.5 ResponseSPDU: SafetyData
  fixed. SafetyData may contain qualifiers for a fine-grained activation of fail-safe substitute values. For valid process values , the respective qualifiers are set to 1 (good), whereas the value ... used for invalid values. Invalid process values are replaced by fail-safe substitute values in the SafetyConsumer 's safety application