PSRmodular system
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Communication via USB The USB interface is used for communication between the base modules and the configu-
ration software. The base modules are equipped with a mini USB port (USB 2.0) for this. A
USB cable in the correct format is available as an accessory.
The safety module and the configuration software on the PC communicate in both direc-
tions:
PC
Safety module
The configuration data and device parameters are downloaded from the configuration PC
to the base module. Configuration data refers to the application logic you created using the
PSRmodular Software configuration software. See also section “Connecting to the base
module” on page 50.
Safety module
PC
For diagnostic purposes, online values can be read from the safety module via the USB in-
terface and displayed “live” in the software. For more detailed information, please refer to
section “Validating the project” on page 46.
Saving the configuration The configuration is always saved to the internal device memory of the base module.
Using PSR-M-MEMORY The PSR-M-B1 and PSR-M-B2 base modules support the optional installation of a backup
memory (PSR-M-MEMORY) where the configuration of the application project can be
saved.
The slot where the memory card is inserted is located on the back of the base modules.
Figure 2-2 PSR-M-MEMORY slot
Data is written to the memory module every time a new project is written to the base module
by the notebook/PC.
NOTE: Data loss
Only connect/remove the PSR-M-MEMORY when the base module is switched off.
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