
Chapter 9. Configuring the I/O Driver with the Power Tool 135
Specific address ranges depend on your process hardware. The following table lists
address ranges for the Siemens SIMATIC S7 hardware supported by the SI7 driver.
For other devices, consult your hardware documentation.
Example
You want to create a datablock named DATABLOCK-C that starts at address DB3,1 and has a
length of 8.
To do this, enter DB3,1 in the Starting Address field and 8 in the Address Length field. The
Power Tool automatically completes the Ending Address field with the value DB3,8.
DATABLOCK-C reads the following addresses in the device:
DB3,9DB3,8DB3,7DB3,6DB3,5DB3,3 DB3,4DB3,2DB3,1DB3,0
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