222 Siemens Simatic S7 Driver Online Help
If the driver still does not load
Rename the default configuration file so the driver loads a blank
configuration. If the configuration file is corrupt, it may prevent the driver
from loading. You can retrieve a corrupted configuration file if you save it as
a .CSV file; otherwise, you have to rebuild the driver configuration.
See Also
The driver loads but does not start polling | Tools for Troubleshooting the SI7 I/O
Driver
The driver loads but does not start polling
If the driver loads but does not start polling
[1] Verify that the channels, devices, and datablocks are enabled. You can
examine these properties in the SI7 I/O Driver Power Tool.
[2] If FIX or iFIX is not your Human-Machine Interface (HMI) software, make
sure the Auto Start option is turned on:
[a] Select Setup from the Options menu. The Setup dialog box appears.
[b] Select the Advanced tab.
[c] Click the Auto Start On option from the Server area.
If you are starting the driver from FIX/iFIX
[1] Verify that IOCNTRL starts from the SCU. You should have a /a on the
command line for IOCNTRL to start the driver automatically.
[2] Specify a default path and configuration file name for the driver:
[a] Click Setup from the Options menu. The Setup dialog box appears.
[b] Select the Default Path tab.
[c] Enter the configuration file’s default name and default path in the fields
provided.
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