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Table of Contents
Introduction ........................................................................................................................... 2
Scope of delivery ...................................................................................................... 3
Documentation & Media kit (optional) ............................................................ 3
About this Online Documentation .............................................................................. 3
Safety notes .......................................................................................................................... 4
Safety notes for the planning stage ............................................................... 4
Safety notes for installation and operation of the SPI 3 ................................. 5
Overview of the SPI 3 ........................................................................................................... 6
Connections and interfaces ........................................................................... 6
Mounting the device ...................................................................................... 6
Operating elements ....................................................................................... 6
Indicating elements ........................................................................................ 7
Release ......................................................................................................... 7
Mounting and connecting up the SPI 3 ...................................................................... 8
Attaching the SPI 3 to the top-hat rail ............................................................ 8
Connecting up the power feed ....................................................................... 8
Connecting up to a fieldbus device with serial interface ................................ 8
Connecting up to the PROFIBUS .................................................................. 9
Setting the PROFIBUS address .................................................................... 9
Setting up the SPI 3 ............................................................................................................. 10
Configuring the SPI 3 .............................................................................................. 10
Setting parameters for the SPI 3 ............................................................................. 11
Installing the function blocks .................................................................................... 11
Checking the SPI 3 for correct operation ............................................................................. 13
Checking the SPI 3 power feed ............................................................................... 13
Checking the PROFIBUS communication ............................................................... 13
Checking the serial interface communication .......................................................... 13
Exchanging data using the SIMATIC FB’s .......................................................................... 14
Parameters for data transfer for SIMATIC S5 ......................................................... 15
Writing data ............................................................................................................. 17
Reading data ........................................................................................................... 18
Parameters for data transfer for SIMATIC S7 ......................................................... 19
Writing data ............................................................................................................. 22
Reading data ........................................................................................................... 23
Error diagnosis and remedies ............................................................................................. 24
Technical specifications ....................................................................................................... 26
Appendix .............................................................................................................................. 27
Creating a configuration telegram ........................................................................... 27
Creating a parameter telegram ................................................................................ 27
Standard bus-related parameters ................................................................ 27
SPI 3-specific parameters ........................................................................... 28
Creating a MODBUS telegram ................................................................................ 29
Glossary .............................................................................................................................. 33
General conditions ............................................................................................................... 40
