S5-95U/95U, SINEC L2 Table of Contents
Page
6 Data Transmission Using PLC-to-PLC Connections . . . . . . . . . . . . . . . . . . 6 - 1
6.1 Features of the PLC-to-PLC Connections . . . . . . . . . . . . . . . . . . . . . . 6 - 1
6.2 Assigning Parameters in DB1 of the S5-95U for Data Exchange
with PLC-to-PLC Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 4
6.3 Programming Example for Data Transmission via PLC-to-PLC Connections
Using Standard Function Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 6
7 Data Transmission Using Cyclic I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
7.1 Features of Cyclic I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
7.2 Assigning Parameters in DB1 of the S5-95U for Data Exchange
with Cyclic I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 4
7.3 Controlling Data Transmission in the Control Program . . . . . . . . . . . . . 7 - 7
7.4 Programming Example for Data Transmission via Cyclic I/O . . . . . . . . . 7 - 12
8 Data Transmission by Accessing Layer 2 Services . . . . . . . . . . . . . . . . . . 8 - 1
8.1 Characteristic Features of Layer 2 Access Data Transmission . . . . . . . . 8 - 2
8.2 Types and Characteristic Features of the Layer 2 Services . . . . . . . . . . 8 - 5
8.3 Assigning the S5-95U Parameters for Data Communications . . . . . . . . . 8 - 9
8.4 FBs for Managing All Layer 2 Services . . . . . . . . . . . . . . . . . . . . . . . . 8 - 11
8.5 Sending Data to a Station (SDA Service) . . . . . . . . . . . . . . . . . . . . . . 8 - 15
8.6 Sending Data to Several Stations (SDN) . . . . . . . . . . . . . . . . . . . . . . . 8 - 19
8.7 Holding Data for Fetching Once Only by a Station
(RUP_SINGLE Service) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 23
8.8 Holding Data Ready for Fetching Several Times Over by One
or More Stations (RUP_MULTIPLE) . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 26
8.9 Sending Data and Fetching Data from a Station (SRD Service) . . . . . . . 8 - 29
EWA 4NEB 812 6112-02
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