7.2.1.1 General

Figure 11 shows the structure of a RequestSPDU which originates at the SafetyConsumer and contains a SafetyConsumerID, a MonitoringNumber (MNR), and one octet of (non-safety-related) Flags. See 7.2.1.2 to 7.2.1.4 for details. See 6.2.3.3 for details on the RequestSPDUDataType definition.

Figure 11 – RequestSPDU

Figure 12 shows the structure of a ResponseSPDU which originates at the SafetyProvider and contains the SafetyData (1 to 1 500 octets), an additional 25 octet safety code (STrailer) and the NonSafetyData. See 7.2.1.5 to 7.2.1.11 for details. See 6.2.3.4 for details on the ResponseSPDUDataType definition.

Figure 12 – ResponseSPDU