Options / Settings" Parameter Group - Siemens S7-300 Configuration Manual

Configuring the Ethernet CP with STEP 7
3.3 Setting further CP properties
Use
● Inputs, outputs
Assign a start address to the module. (Outputs only if the option "Address setting for
LOCK/UNLOCK with FETCH/WRITE" is selected)
● "Address setting for LOCK/UNLOCK with FETCH/WRITE" option
Select this option if you want to use the access coordination function with the FCs
LOCK/UNLOCK in FETCH/WRITE mode.
This function uses process output via the backplane/P bus. As a result, the output
addresses can be set as soon as this option is selected.
3.3.4

"Options / Settings" parameter group

Options tab
Depending on your CP type, you can make the following settings:
Table 3- 3
Option / input area
•
46
Possible settings for the "Options" parameter group
Module access protection
(protection level)
Meaning / effect
With this function, you can protect the CP from accidental access
during productive operation. The following options are available:
Not locked
•
Status-dependent
•
With this setting, only write access to the CP is possible when
the CPU is in STOP mode.
This is the recommended setting.
The default is "Not locked".
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13