RS-485 / EIA-485 vs. RS-422 / EIA-422

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Chips

  • ISL32433
  • SP3485
  • MAX490
  • MAX485
  • SP490EE

RS485

EIA-485
SparkFun According to Pete #54 – How RS-485 Works
CAN vs. RS-485: What’s the Difference?

RS422

RS485 vs. RS422

EIA-485
EIA-422

RS485, RS422 and RS232 – Differences and Typical Applications
Unterschied zwischen RS422 und RS485 Bus
Kurzer Vergleich der RS-232-, RS-422- und RS-485-Schnittstellen für die serielle Kommunikation

Grounding / Shielding / Masse

Firmen

RS485-Bussysteme
RS485 Application Notes

mikrocontroller.net

Galvanische Trennung
Optokoppler
RS-485 Schaltplan / Masse mitführen
Verständnisfrage RS485 + galvanische Trennung
RS-485: Masse bei galvanischer Isolation
Kein GND auf RS485
RS485 galvanische Trennung?

Tutorials

Galvanische Trennung
Der RS-485 Bus
RS-485 shield and ground wiring practice

Datasheets and Application Notes

AN-1057 Ten Ways to Bulletproof RS-485 Interfaces, (PDF: snla049b.pdf)

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