Brand Format Availability
YellowSys other Available


The board EL504 is a mezzanine who will provide power supply and RS485 signals to communicate with an EL505 board. It must be mount on a EL501 base board.

The purpose of this board is to provide a long distance communication over cable using the RS485 standard. An EL504 and an EL505 are able to communicate using wires longer than 350m.

Board features:

  • Power Supply 30V connected on Mini IO Type2 connector: (30V ; 6W power supply to feed EL505 deported IO base board)

  •  4 RS485 signals connected on Mini IO Type 1 connector

  •  4 user LEDs 
  •  Current measurement (I2C) 
  •  Memory (I2C)