rs485isolator4
2.1.0.0
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RS485 Isolator 4 Click is a compact add-on board designed for robust RS-485 and RS-422 half-duplex communication with galvanic isolation. This board features the ISO1450, a 5kVRMS isolated RS-485 transceiver from Texas Instruments. The ISO1450 supports data rates up to 50Mbps and features advanced protection against electrostatic discharge (ESD) and electrical fast transients (EFT), ensuring reliable long-distance communication in industrial environments. It operates over a wide supply voltage range (3V to 5.5V), offering failsafe protection against open, short, and idle bus states.
We provide a library for the RS485 Isolator 4 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
This library contains API for RS485 Isolator 4 Click driver.
rs485isolator4_cfg_setup
Config Object Initialization function. rs485isolator4_init
Initialization function. rs485isolator4_generic_write
This function writes a desired number of data bytes by using UART serial interface. rs485isolator4_generic_read
This function reads a desired number of data bytes by using UART serial interface. rs485isolator4_driver_enable
This function enables the driver input by setting the DE pin to high logic state. This example demonstrates the use of an RS485 Isolator 4 click board by showing
the communication between the two click board configured as a receiver and transmitter.
The demo application is composed of two sections :
Initializes the driver and logger and displays the selected application mode.
Depending on the selected mode, it reads all the received data or sends the desired message every 2 seconds.
Make sure to provide a power supply voltage to isolated VCC_EXT and GND pins in a range from 3V to 5.5V.
The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
Other Mikroe Libraries used in the example:
Additional notes and informations
Depending on the development board you are using, you may need USB UART click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.