Bus Coupler, Local-Master Remote Coupling Unit for
.. LAN (via Ethernet)
.. Serial (via RS485 or RS232)
.. USB, SD Card
.. Display (via HDMI, USB-Touch)
.. RTC, EEPROM
It is an adaptionboard for the Raspberry-Pi (Rev. B) which becomes an important education tool and semi-professional industrial platform for many measure and control applications. By keeping the standard brick sizes, it is possible to use this board in all given mounting types.
The unit is driven by 24Vdc and also serves as power-supply unit that delivers 3.3V and 24V for the slave modules. The LSUH acts as an autark local-master and does the logical control of the connected slave modules.