Parker Compax3 Fluid T40

Communication
C3F_T40
354 192-121102 N04 June 2008
6.4 Profibus
In this chapter you can read about:
Typical application with fieldbus and IEC61131 ...............................................................354
Profibus configuration.......................................................................................................354
Cyclic process data channel.............................................................................................356
Acyclic parameter channel ...............................................................................................357
Simatic S7 -300/400 - modules ........................................................................................366
The Profibus option is available with the Compax3 devices C3I20Txx!
Notes on the configuration of the Profibus master
Before configuring the Profibus master (e.g. S7), you will have to configure the
Compax3 axis.
In the
Profibus window (see page 354)of the configuration wizard you will receive
the status message ”Profibus Telegram” with the information on the telegram which
can be set in the master (PPO type).
6.4.1. Typical application with fieldbus and IEC61131
We recommend the following procedure to control the IEC61131-3 program via
Profibus:
 Use the control word (DeviceControl_Controlword_1) to control the PLCopen
function modules (Execute, Enable) to activate the modules via Profibus.
 The logical module outputs can be placed on the status word
(DeviceState_Statusword_1).
 Place the control word and the status word on the cyclic process data channel.
 Connect variable module outputs of your IEC61131-3 program with the recipe
array.
 For rapid access, the values from the first 5 rows of the recipe array can be
placed in the cyclic channel.
 Additional values of the recipe array can be written acyclically.
Now you can use the bus to assign values, to activate function modules with the
control word and to read the current status with the control word.
6.4.2. Profibus configuration
In this chapter you can read about:
Configuration of the process-data channel.......................................................................355
PKW parameter channel ..................................................................................................356
Error reaction to a bus failure ...........................................................................................356
Following are described the input windows of the Profibus configuration wizard.
Can be called up in the tree (Compax3 ServoManager, left window) under
"configure configuration".
I20 Function