Category: MAXI

Modbus RTU Master Slave I/O

Introduction This tutorial will guide you through setting up Modbus RTU communication between a master and a slave device using two CONTROLLINO devices. The master device reads digital and analog inputs from the slave and sends

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Controllino HMI with Modbus

Intro Information: In this tutorial we are using the HMI from Beijer. Controllino HMIs are industrial HMI panels with high-resolution touch-screens and modern design. The panels combine

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Port Manipulation

Intro More information about port manipulation on this site: https://www.arduino.cc/en/Reference/PortManipulation Port registers allow for lower-level and faster manipulation of the i/o pins of the microcontroller on

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Interrupts

Intro Interrupts are useful for automatically executing things in microcontroller programs and can solve timing problems. Good tasks for using an interrupt may include reading

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Using a 16×2 LCD

Intro The LiquidCrystal library allows you to control LCD displays that are compatible with the Hitachi HD44780 driver. These are the LCDs that are usually connected over a

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LED (OVL)

The LED with the “OVL” marking show you a thermal overload of the CONTROLLINO PLC. At the CONTROLLINO MINI there are 2 temperature sensors integrated.

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RS485

The CONTROLLINO MAXI and MEGA have a RS485 interface of the type SN65HVD08. With this interface you are able to communicate with other RS485 interfaces.

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