CM 1243-5
Operating Instructions, 04/2011, C79000-G8976-C246-01
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Configuration and programming
4
4.1 Configuration
Configuration in STEP 7
You configure the DP modules and DP master systems in SIMATIC STEP 7. You will find
the required version in the preface of this manual.
You can configure a maximum of three CMs/CPs per station, of which only one may be a DP
master (CM 1243-5).
Overview of the STEP 7 configuration
Follow the steps below when configuring:
1. Create a STEP 7 project.
2. Insert the required SIMATIC stations.
3. Insert the communications modules and other required modules in the stations.
4. Select the PROFIBUS interface of the master module and create a DP master system
using the shortcut menu (right mouse button).
5. Configure the DP master system in the following parameter groups:
– General
– Network settings
– Cable configuration
– Additional network nodes
– Bus parameters
6. Network the PROFIBUS slaves with the master system:
– Either using the shortcut menu command with the PROFIBUS interface selected
– Or in the "Operating mode" parameter group of the slave module
7. Configure the slave modules.
Configuring the DP slaves is described in the manual of the slave module.
8. Configure the PROFIBUS master module.
This affects the properties in the following parameter groups:
– General
– PROFIBUS interface with the lower-level parameter groups "General" and
"PROFIBUS address". The "Mode" of the DP master is preset.
9. Configure the remaining modules and submodules according to your requirements.
10. Save the project.