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9 result(s) for SPDU_ID

• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  6.3.3.3 SPI of SafetyProvider
  constant SafetyProviderLevel determines the value that is used for SafetyProviderLevel_ID when calculating the SPDU_ID , see 7.2.3.4 . NOTE  SafetyProviderLevel is defined as the SIL the SafetyProvider implementation (hardware ... actuator) to know the SafetyProviderLevel of their SafetyProviders in order to check the SPDU_ID
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  6.3.4.4 SPI of the SafetyConsumer
  SafetyConsumer , see 9.1.2 . For dynamic systems, the safety application program can overwrite this ID by providing a non-zero value at the input SafetyConsumerID of the SafetyConsumer 's SAPI . This ... types of communication errors, such as data corruption or an error detected by the SPDU_ID . For these types of errors, OA is mandatory, see 6.3.4.3 . SafetyErrorIntervalLimit UInt16
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  6.4.2 Diagnostics messages of the SafetyConsumer
  operator acknowledgment. 2 This text may also be shown when the error in the SPDU_ID is due to an incorrect SafetyBaseID . 3 This text may also be shown when ... error in the SPDU_ID is due to an incorrect SafetyStructureID . 4 This text may also be shown when the error in the SPDU_ID is due to an incorrect
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  7.2.2.5 SafetyConsumer state diagram
  Boolean Local variable used to store the result of the additional SPDU checks SPDU_ID_1_i UInt32 Local variable to store the expected SPDU_ID_1 SPDU_ID ... UInt32 Local variable to store the expected SPDU_ID_2 SPDU_ID_3_i UInt32 Local variable to store the expected SPDU_ID_3 SPI_SafetyConsumerID_i UInt32 Local variable
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  7.2.3.1 Build ResponseSPDU
  built by the SafetyProvider by copying RequestSPDU.MonitoringNumber and RequestSPDU.SafetyConsumerID into the ResponseSPDU . In addition, SPDU_ID , Flags , the SafetyData and the NonSafetyData shall be updated. Finally, ResponseSPDU.CRC shall be calculated ... task for SafetyProvider For the ResponseSPDU.Flags , see 7.2.1.6 . For the calculation of the SPDU_ID , see 7.2.3.2 . For the calculation
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  7.2.3.2 Calculation of the SPDU_ID_1, SPDU_ID_2, SPDU_ID_3
  Calculation of the SPDU_ID_1, SPDU_ID_2, SPDU_ID_3 [RQ7.16] SPDU_ID_1 , SPDU_ID_2 and SPDU_ID_3 shall be calculated according to Figure ... Table 36 . Figure 21 - Calculation of the SPDU_ID Table 36 - Presentation of the SPDU_ID SPDU_ID_1:= SafetyBaseID (octets 0…3) XOR SafetyProviderLevel_ID (octets 0…3) SPDU
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  7.2.3.6 Calculation of a CRC signature
  check the cor­rect­ness of the ResponseSPDU including the SafetyData , flags , MNR , SafetyConsumerID and SPDU_ID by recalculating the CRC signature (CRC_calc). [RQ7.22] The generator polynomial 0xF4ACFB13 shall be used
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  9.4 PFH and PFD values of a logical safety communication link
  link's SafetyConsumer . Whenever the SafetyConsumer detects a mismatch of the SafetyConsumerID , SPDU_ID , MNR or CRC , it will only continue operating if the last occurrence of such an error
• OPC-10000-15 – OPC Unified Architecture - Part 15: Safety
  10.3 Index of requirements (informative)
  diagram RQ7.15 Rules for building the ResponseSPDU 7.2.3.1 Build ResponseSPDU RQ7.16 Rules for calculating SPDU_ID fields 7.2.3.2 Calculation of the SPDU_ID_1, SPDU_ID_2, SPDU_ID