pAGINA
page
1 INTRODUCTION ...................................................................................................................... 2
2 TECHNICAL CHARACTERISTICS .......................................................................................... 2
3 INSTALLATION ........................................................................................................................ 2
3.1 ELECTRICAL CONNECTIONS TO PROFIBUS NETWORKS ........................................................................ 2
3.2 CONFIGURATION OF PROFIBUS NETWORK ADDRESS ............................................................................ 4
3.3 EXAMPLE OF PROFIBUS NETWORK WITH HARDWARE NODE ADDRESS SELECTION ....................... 5
4 PROFIBUS-DP DATA STRUCTURE ....................................................................................... 6
4.1 CHANGE NODE ADDRESS TELEGRAM (SAP 55) ....................................................................................... 6
4.2 CONFIGURATION TELEGRAM (SAP 62)....................................................................................................... 6
4.3 PARAMETERISATION TELEGRAM (SAP 61) ................................................................................................ 7
4.4 DIAGNOSTICS DATA REQUEST TELEGRAM (SAP 60) ............................................................................... 8
4.5 DATA EXCHANGE (SAP DEFAULT) .............................................................................................................. 9
5 USING PROFIBUS 2400/2500 INSTRUMENTS WITH SIEMENS STEP7 ............................. 13
5.1 CONFIGURATION ......................................................................................................................................... 13
5.2 PARAMETERISATION................................................................................................................................... 14
5.3 S7 BLOCKS FOR THE MANAGING OF INSTRUMENTS 2400 AND 2500 IN PROFIBUS .......................... 16
5.4 STANDARD AREA FOR SLAVE DIAGNOSTICS ......................................................................................... 26
5.5 CHANGING NODE ADDRESS ...................................................................................................................... 27