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If the project already includes a prepared CPI module configuration, the above command
sequence initiates a comparison of this configuration and the current configuration. Any
differences between the configurations must be eliminated before work with the system can
continue. Note the relevant messages that appear when the "Scan" command is executed.
1.8
Diagnosis
1.8.1
Diagnostic options with the PLC configuration in online status
The basic settings for the diagnosis memory are made in the PLC configuration:
•
Select the CPX module in the "PLC Configuration" window.
•
Select the "Trace Parameters" tab.
•
Enable the required options.
Downloading transfers all diagnostic settings to the CPX system and enables them.
Figure: Diagnosis of the CPX configuration
You can carry out a complete diagnosis of the CPX terminal in the PLC configuration in CoDeSys. The
CPX terminal must be connected online to your PC.
The status of the CPX system is displayed under the root node on the System Status tab.
Diagnostic messages for modules are indicated in the PLC configuration directly in the configuration tree
by means of flashing red modules.
Figure: System status
Viewing current diagnostic messages
•
Click on the red flashing module.
•
Open the "Diagnosis" tab on the right.
•
Read the diagnostic message.
The module and channel-related diagnostic message can be read out in the PLC configuration in this way.
Modular valve terminal with integrated controller CPX-CEC-...
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