PSR-TRISAFE-S
4-18
PHOENIX CONTACT 103503_en_03
4.5.4 Checking, downloading, and starting up the project
Once the configuration project has been developed, i.e., the safety logic and the device
parameterization have been completed, the project must be checked. This involves
checking the safety logic for errors, such as open function inputs.
To check the project, proceed as follows:
1. Click on the "Check Project" icon in the toolbar:
2. The progress of the checking function can be tracked in the message window, which
opens automatically:
If the configuration software detects an error, the relevant error location can be
accessed directly by double-clicking with the left mouse button on the message in the
message window.
In the example below, an input is not connected. Double-clicking on the error message
highlights the affected object (in a green border) in the connection editor.
Figure 4-14 Jumping to an error location in the safety logic from the message window
when checking the configuration project
3. Correct the error and check the project again.
The project can only be checked if you have logged on with the correct project password
("Log On" in the "Project" menu).
If the current project status has not yet been saved, this is done automatically prior to
checking.
Check values (CRC): To ensure that any distortions to the configuration data during
transmission to the safety module can be reliably detected, a check value (CRC) is
calculated in the configuration software when the project is checked. The safety module
also determines the check value for the downloaded data. If the check values on the
safety module and in the configuration software are identical, all data has been saved on
the safety module without distortion. If the check values differ, a corresponding error
message is output.
The check value (CRC) will also differ if subsequent modifications have been made to
the project in the configuration software, but have not yet been downloaded to the safety
module. A change to the product documentation can also modify the check value, for
example.
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