Hi, I am new to the OpenPLC scene. I am looking to run a Small DC Fan (below 5V) when the temperature reaches a certain parameter. The temperature...
Hi all, i would like to now how we can shut down the RPI after power loss via code, there would be back-up battery or super capacitor during shutdown...
Hi all together. I´m trying to use a PT Sensor with OpenPLC. Well knowing, that it might be not the easiest way to connect a temperature probe to...
Hey folks, I am currently working on reading the values of a turbidity sensor via an Arduino as Modbus slave. During the first test I noticed that I...
Has anyone tested a large number of slave devices (40+) connected to a single instance of OpenPLC? Is the polling of slave devices done...
I can't seem to control the pins. I have a simple one line ladder program compiled via the openPLC Editor - also tried the Hello World program - but...
Hi! Please, how could I map a 32-bit float value (type) on a Modbus holding register from PLCopen Editor? For example, 25.63456 ... Thank...
Hi, I have a simple project that transfers the state at input %IX1.5 to output %QX1.1. The main goal is to achieve a minimum delay between the...
I'm using raspberry Pi 3B model running openPLC. How do i know about the instruction cycles for which I'm writing the code? Or can i see the scan...
Hello, I am trying to use a Unipi1.1 to trigger a simple coil as per the example ("Hello World), but I am having difficulties. I made the...
Hi, For an application i would like to publish sensor values as well as output of a pid logic to a web interface. Is this possible
Anybody have any luck with getting OpenPLC Editor to work on a Raspberry Pi? I download it, unzip it (it wants to go to the /tmp folder), run...
Hi. The data that OpenPlc expects to receive through Modbus RTU is signed (-32,768 to 32,76) or unsigned (65535)?. Thanks
Hello everyone. I'm new to the raspberry pi system. I have a raspberry pi plus unipi system connected together and I want to run open PLC in this. I...
Hi I'm new to OpenPLC. I setup it up on a Pi 3+ and everything worked fine. I decided to step it up and run it on a compute module. I have a CM3+ on...
Sorry I'm new to OpenPLC so this is probably a dump question. How can I access Data from I2C bus in my PLC programm?
Hello, I introduce myself Gregoire, I am French, I use Google translation to translate me.So, I am discovering OpenPLC.On a RPi I install the...
Hi all : i need free 8080 port for other application, how can i change it? thanks in advance
Hi everybody: I am currently working with a raspberry b and the driver according to it, I am doing some tests to use the% IX and% QX registers that...
Hi. If I configure the "Start OpenPLC in RUN mode" option, the motorization website does not work for me. is it a bug? or an error in my...
All: Hope everyone is having a great day! I have a project I am starting where I need a Date/Time reference. I would prefer to have that reference...
I did my first Ladder program with OpenPLC with the runtime in a Raspberry Pi 3. This first project ...
Silly question but... The installation process will take a while (up to 1 hour depending on your system). Meanwhile, grab a and relax! Once...
Hi , I chose Raspberry Pi driver in the "Hardware" section. I understood from the discussion in this post that we should consider the...
Hi. I'd like to be able to upload several different programs to OpenPLC at different stages of a demo. Please could you let me know whether this is...
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