Leuze electronic MSI 200 Series User Manual page 16

Communication via USB
Communication via the
DIN rail connector
Leuze electronic
Communication between the MSI 100 or MSI 200 safety modules and the configuration soft-
ware takes place via a USB interface.
WARNING: Non-safe operation
The USB interface is not protected against ESD. If a there is a USB connection in place, the
safety module is in non-safe operation. The safety function cannot be properly executed.
Only use the USB connection for commissioning.
•
Disconnect the USB connection for regular operation.
•
Communication between the safety module and the configuration software on the PC takes
place in both directions:
PC  safety module
The configuration data and device parameters are downloaded from the configuration PC to
the safety module. Configuration data refers to the application logic, which you created using
the MSIsafesoft configuration software.
The configuration can also be downloaded using the AC-MSI-CFG1 pluggable memory mod-
ule. Please refer to "Downloading configuration from the MSIsafesoft configuration software"
on page 80 and "Loading the configuration using the AC-MSI-CFG1 memory module" on
page 84.
Safety module  PC
For diagnostic purposes, online values can be read from the safety module via the USB inter-
face and displayed "live" in the software. For more detailed information, please refer to "Func-
tion Test" on page 87.
The MSI 100 safety module is equipped with an interface for the yellow MSI-TBUS DIN rail
connector. The MSI 200 safety module is equipped with two interfaces for the yellow
MSI-TBUS.
In combination with the green TBUS DIN rail connector, connect a maximum of one non-safe
extension device (gateway) to the MSI 100 or MSI 200 safety module.
MSI 100/200
System description
16