Maxim’s Mojave (MAXREFDES42#) reference design features a resistance to digital temperature sensor which can also detect multiple faults. The IO-Link communication protocol enables quick sensor configuration and reduces cabling while featuring a robust, medium speed, communication protocol with power, enabling higher powered sensors than a 4-20mA loop.

Board Specification

Item Specification
Oscillator Frequency 18.432MHz
Microcontroller Renesas RL78/G1A (R5F10E8EALA)
DC Power 24V via M12 Connector
  • Power indicator: Green x1
  • IO-Link indicator: Amber x1
  • Digital output indicator: Red x1
IO-link Connector Male M12 4-pole A-coded
IO-Link PHY Maxim MAX14821EWA+
RTD-to-Digital Converter MAX31865ATP+
SPI 3.3V/5V Level Shifter MAX1841EUB
Dot Addressable Display SCE5744 Z

Project Goal


The purpose of this project is by giving the user a strong basis to start develop production-ready IO-Link® application based on Maxim Integrated IO-Link device transceiver (MAX14821), a Renesas ultra-low-power, 16-bit microcontroller (RL78) and iqStack® IO-Link Device Stack.