Contents
viii
VersaPoint™ I/O System Profibus-DP NIU User’s Manual– August 2005 GFK-1911B
Configuring the Profibus Master............................................................................... 7-3
Configuring Profibus Parameters for the Profibus Master CPU ............................... 7-5
Network Settings for the Profibus Master................................................................. 7-6
Adding the Profibus NIU to the
IC693CPU366 Master Configuration ................................................................................ 7-8
Configuring the Modules in the I/O Station ....................................................................... 7-9
Configuring Module Data Areas ............................................................................. 7-10
Byte Rotation for 16-Point Discrete Modules ......................................................... 7-12
Byte Rotation for 32-Point Discrete Modules ......................................................... 7-12
Configuring DP-V1 Settings for the Profibus NIU................................................... 7-13
Dynamic Configuration.................................................................................................... 7-16
Indexes ................................................................................................................... 7-16
Index 6: Activation/deactivation of terminals and slots Access: Read and write
................ 7-16
Index 7: Read back active/inactive terminals and slots
.................................................. 7-17
Index 8: Read/write ID Access: Read and write
............................................................ 7-17
Accessing the Indexes via Process Data ............................................................... 7-17
Specify an ID .......................................................................................................... 7-20
Chapter 8
Communications.................................................................................... 8-1
Types of Acyclic Communication ...................................................................................... 8-2
Acyclic Communication Via the Class 1 Master ....................................................... 8-2
Acyclic Communication Via the Class 2 Master ....................................................... 8-2
PCP Communication Basics ............................................................................................. 8-3
Device Parameter Data ............................................................................................ 8-3
Acyclic Communication in DP/V1 Mode............................................................................ 8-4
Accessing NIU Data ................................................................................................. 8-5
Accessing Module Data............................................................................................ 8-5
DP/V1 Examples ...................................................................................................... 8-9
PCP Communication Via Process Data
(Class1 Master in DP/V0 Mode)...................................................................................... 8-17
Mechanism for Transmission in the Process Data................................................. 8-17
Process Data Width of the Virtual C1 “Module” ..................................................... 8-17
Responses.............................................................................................................. 8-21
Examples of Communications using a Virtual C1 Module ..................................... 8-22
Format of the Parameter Telegram................................................................................. 8-29
NIU Parameters...................................................................................................... 8-29
Module Parameters ................................................................................................ 8-30
Object Dictionary for the Profibus-DP/V1 NIU........................................................ 8-31
Error Codes for DP/V1 and VC1
Communication ............................................................................................................... 8-35
Error Codes for PCP Communication .................................................................... 8-36
Other Error Messages ............................................................................................ 8-36
Содержание VersaPoint IC220PBI002
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