RS422 / RS485 HAT for Raspberry Pi with galvanic isolation

RS422 / RS485 HAT for Raspberry Pi with galvanic isolation


Price: $37
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Select quantity discount: 1X RS422
  • Galvanic separation between Raspberry Pi and connected RS485 bus
  • RS422 mode (full duplex) and RS485 mode (half duplex)
  • automatic send/receive switching
  • various settings via DIP switches
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Price:
$37

(Including Tax)

(Including Tax)

Get it Mon, 15 Aug

if you order in the next 4 hours and 7 minutes

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Product Details

Ean
Size 0

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Product Description

The RS485 interface is used in many applications in industrial and home automation (e.g. MODBUS), lighting control (DMX), maritime applications (NMEA0183), video surveillance (Pelco D), metering and many more.

For the Raspberry Pi there are already some RS485 extensions available. Unfortunately these are mostly unsuitable for professional use, because a galvanic isolation between the Pi and the RS485 bus is missing. This can lead to malfunctions or damage of the Raspberry Pi. This HAT does not have the above mentioned problems:

  • RS485 mode (half duplex)
  • RS422 mode (full duplex)
  • galvanic isolation between Raspberry Pi and connected RS485 bus
  • adjustable automatic transmitter activation in RS485 mode
  • adjustable control of transmitter activation via GPIO18 pin
  • switchable pull-up, pull-down and terminating resistors
  • RX and TX LEDs to indicate the activity of the UART
  • connection of the bus via pluggable screw terminal
  • Various setting options via DIP switches
  • Insensitive to interference

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