Siemens SIMATIC S5 Manual page 140

Figures
8-1. Example: Hardware Configuration Using Layer 2 Services . . . . . . . . . . . . .
8-2. Function Model Using Layer 2 Services . . . . . . . . . . . . . . . . . . . . . . . . . .
8-3. Using Job Numbers (A-NR) for Accessing Layer 2 Services via SAPs
8-4. Request, Confirmation and Indication Structures
8-5. Schematic: Data Transmission Using Layer 2 Services
8-6. Sending and Receiving Data with Acknowledgement or
Confirmation (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-7. Structure of Requests, Confirmations and Indications for the SDA Service
8-8. Sending and Receiving Data without Acknowledgement or
Confirmation (SDN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-9. Structure of Requests, Confirmations and Indications for the SDN Service
8-10. Holding Data Ready for Fetching with the RUP_SINGLE Service
8-11. Request and Confirmation Structures for the RUP_SINGLE Service
8-12. Holding Data Ready for Fetching with the RUP_MULTIPLE Service
8-13. Request and Confirmation Structures for the RUP_MULTIPLE Service
8-14. Sending and Fetching Data with the SRD Service
8-15. Structure of Requests, Confirmations and Indications for the SRD Service
Tables
8-1. Layer 2 Services of the L2 Interface of the S5-95U
8-2. Defining Job Numbers in the L2 FBs . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-3. Layer 2 Services, DB1 Parameters
8-4. Entering Parameters for Layer 2 Services
8-5. link_status Messages for SDA
8-6. link_status Messages for SDN
8-7. link_status Messages for the RUP_SINGLE Service
8-8. link_status Messages for the RUP_MULTIPLE Service
8-9. link_status Messages for the RUP_MULTIPLE Service
8-10. link_status Messages (Indications) for the SRD Service
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