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BUS2S-485 - RS485-bus extension module

Modtronix Engineering
Manufacturer: Modtronix Engineering
Order no.: BUS2S-485
incl. VAT plus shipping costs
(Price excluding VAT: 9,83 )
in stock, only 4 parts available
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The BUS2S-485 is a RS485 bus extension module. The extension module can be connected to a compatible SBC board and enables the extension with a RS485 bus. The board features about a 5-pin screw terminal (grid 3.81mm) and one SP485EC driver circuit (15kV ESD protection). At the 5-pin screw terminal the RS485 bus signals, ground and optional (jumper configurable) the positiv operation voltage can received.

The requirement for a extension module is a compatible SBC Board with a PIC microcontroller which features about an internal USART. The USART port pins of the controller on the SBC board may not in use of another circuit on the SBC Board.

After connecting the RS485 bus extension module the red 3mm LED is connected with port RB6.

The BUS2S-485 board can also used as CAN-bus extension module. To realize this, the RS485 driver ASIC has to removed from the IC-socket IC1 and a CAN-bus driver ASIC has to be put into the IC-socket IC2. As CAN bus driver ASIC you can use the MCP2551 (please notice that the desired PIC microcontroller must have a CAN peripheral module, e.g. PIC18F458, PIC18F248).

Application notes to use with a SBC45EC board

For the use of a SBC45EC as SBC Main board you must connect the solder brigde SJ1 and SJ2, SJ3 and SJ4 may not by-passed.
Applicable with the following products
  • SBC44EC
  • SBC45EC
  • SBC44UC

Additional Addons

DatasheetDownload PDF-file


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