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Activity
how to read analog input and write anlog output how analog things works in openplc editor
Started by
Harisha
in
OpenPLC on Arduino
:
Hi, I am using OpenPLC with an Arduino-based board.(seeduino arch mix) see this board i added to the openplc editor . I have already verified digital input and output. Now I want to use analog...
OpenPLC on Arduino
1
0
1775917005
ESP32 board without USB interface: how to set in boot mode
Started by
JZH85F
in
OpenPLC on Arduino
:
hello, I have an ESP32 board without usb interface chip (CP2102 or equivalent), just RST and BOOT push buttons onboard. will the upload and programming still work and what will be the sequence of...
OpenPLC on Arduino
2
0
1775815212
Unable to get MODBUS to connect to xiao esp32c6 ; Failed to get MD5 hash after retries
Started by
hubercats
in
OpenPLC on Arduino
:
Hello - I'm trying to get a simple led blink program to work on a XIAO ESP32C6 processor. I connected a resistor to pin D9 of my Xiao board. The resistor is connected to an led and the led to ground....
OpenPLC on Arduino
1
0
1775471786
dim led lights after using 2 leds
Started by
jhpark
in
OpenPLC on Arduino
:
environment : Arduino R3 IDE, openPLC 4.1 openPLC operation on my arduino look OK. But when I use 2 sets of leds, the led light becomes very weak, especially the green led. Because of this...
OpenPLC on Arduino
9
0
1775393365
Arduino Nano, Debugger works for one program but not the other (is the program to big?). "Failed to get MD5 hash after retries"
Started by
BenB
in
OpenPLC on Arduino
:
I am learning PLCs and Ladder Logic and made 2 programs. One works fine, including working debugger. My second program is larger but otherwise I cant tell any differences. ...
OpenPLC on Arduino
3
0
1774823433
OpenPLC V4: Data type incompatibility error when connecting Analog Input to LT/GT blocks
Started by
mbiarrambang
in
OpenPLC on Arduino
:
Message: Hi everyone, I'm working on an automatic temperature regulator (HVAC system) using a DHT22 sensor and OpenPLC Editor V4. I’ve encountered a blockade when trying to compare the analogue...
OpenPLC on Arduino
3
0
1774647260
Editor Version 1 to Editor Version 4.
Started by
jota10
in
OpenPLC on Arduino
:
Hello, Is it possible to convert a project from version 1 to version 4 of the editor? I get an error when I try to open a project I created in version 1 using version 4 of OpenPLC-Editor.
OpenPLC on Arduino
1
0
1774197060
Ladder logic program taking very long to download to Arduino UNO
Started by
PiesangBrood
in
OpenPLC on Arduino
:
Hi, I was building a test project, but when downloading, it gets up to: : New upload port: COM3 (serial), :...
OpenPLC on Arduino
3
0
1773931243
Total flash memory used in an ESP32 target
Started by
JZH85F
in
OpenPLC on Arduino
:
hi, I woud like to check how much flash memory on the total (my target is a 4MB flash) has been used once firmware is uploaded in the ESP32 target. I'm thinking of using a higher flash size model...
OpenPLC on Arduino
4
0
1773689697
Negated coil not control with contact default
Started by
Khuram Ali
in
OpenPLC on Arduino
:
Hi need information "Negated coil not control with contact "default " if I use default coil it's work but when I use negated coil it's led flashing Arduino maga... How to control...
OpenPLC on Arduino
2
0
1773683427
Arduino uno Q internal comunication openplcv4
Started by
jfajardo
in
OpenPLC on Arduino
:
Hello everyone, I want to use an Arduino Uno Q with OpenPLCv4 on the STM32 and activate the Modbus-RTU slave. I'm also using Nodered in a Docker container on the microprocessor side, to use it as...
OpenPLC on Arduino
1
0
1772978490
Canbus on ESP32 with OpenPLC editor V4
Started by
JZH85F
in
OpenPLC on Arduino
:
Hi, I have decided to add the CAN bus management to my ESP32 platform with OpenPLC, and I need a few details : I have searched into many thread in the forum, but not really found something which...
OpenPLC on Arduino
8
0
1772583853
Adding a arduino Library to OPENPLC
Started by
Lolobusa
in
OpenPLC on Arduino
:
Hi, my name is Marcelo ,I use the last version to OPENPLC 4.1.4 and I try to do a FB Block with arduino to use the library CTBoth to send and receive msg to telegram with ESP8266, this library work...
OpenPLC on Arduino
3
0
1772563749
Confused About How to Control Blinking LED with Enable on V4
Started by
Gloworm72
in
OpenPLC on Arduino
:
📷 📷 How do I use boolean logic before the IN and after the Q if you can only type in a tag? I have a picture of v4 vs one I used to have in v3
OpenPLC on Arduino
10
0
1772164926
interfacing an ESP32 target to Homeassistant with MQTT or other protocol over Wifi
Started by
JZH85F
in
OpenPLC on Arduino
:
Hi, I'm just new to this forum and OpenPLC. I was looking for a flexible solution to manage several systems at home, including rain water tank management and other pump controls, and I found that...
OpenPLC on Arduino
13
0
1772144209
Enabling INPUT_PULLUP
Started by
alexander_f94
in
OpenPLC on Arduino
:
Hi, is there a way to enable thre internal pullup resisstor on arduino uno using open plc editor 4.1.2 ? I saw someone mentioning modifying the code in the HAL file under crc folder. but...
OpenPLC on Arduino
5
0
1771533534
ESP32 wroom Debug
Started by
minion71
in
OpenPLC on Arduino
:
I have a program using KC868-a16 the program works but when I go in debug it's all over the place. The program use a block for IO using pcf8575 extension io chips for it to work. Only debug...
OpenPLC on Arduino
2
0
1771459211
MD5 verification failed on debug editor 4.1.0
Started by
GIAN2025
in
OpenPLC on Arduino
:
Hello, I installed the new version 4.1.0 on Arduino Uno, I compile and then go into debug mode. It returns the error: MD5 verification failed: Failed to get MD5 hash after retries. I tried reducing...
OpenPLC on Arduino
56
0
1771334734
Stepper driver PWM control
Started by
Vlak
in
OpenPLC on Arduino
:
Hi all, I have a question about controlling a stepper motor via a PWM control output. I've tried it with a digital output and can't get it to run smoothly with a pulse train. Just the basics...
OpenPLC on Arduino
7
0
1770762960
problem is can you help me
Started by
Salas1654
in
OpenPLC on Arduino
:
$ C:\Users\DAEUS\OpenPLC_Editor\editor\arduino\bin\iec2c.exe -v matiec version 0.1 changeset id: $? = 0 $ C:\Users\DAEUS\OpenPLC_Editor\editor\arduino\bin\arduino-cli-w64.exe --no-color version...
OpenPLC on Arduino
3
0
1770251460
EXPRESSIF ESP32 3.3.6 fails compilation
Started by
Mudbone_
in
OpenPLC on Arduino
:
Just released. Any projects I have that use ESP NOW or I2C will not compile using the 3.3.6 version that was released this week.
OpenPLC on Arduino
1
0
1769430223
ADC on ESP32
Started by
led32
in
OpenPLC on Arduino
:
How can I read the adc calibrated on the ESP32?
OpenPLC on Arduino
10
0
1769200728
arduino opta: digital inputs stop working when using analog inputs
Started by
toams
in
OpenPLC on Arduino
:
Hello, I'm trying to use the first 2 inputs from the opta plc as analog inputs and the other 6 as digital inputs. However so far i'm not able to get it working. This is how i configured the...
OpenPLC on Arduino
5
0
1768935262
MD5 Extraction Failed on Uno R4 wifi
Started by
KjinHamilton
in
OpenPLC on Arduino
:
I keep getting this fault and don't know how to fix it? I'm using an Arduino Uno R4 Wifi and writing the program in ladder. 📷
OpenPLC on Arduino
3
0
1767737266
Unable to connect to Arduino Uno after transfering program to PLC using the dashboard
Started by
Catherine
in
OpenPLC on Arduino
:
hi, I have tried launching a program in the dashboard after uploading the st. file OpenPLC Runtime starting... Interactive Server: Listening on port 43628 Device UNO is disconnected....
OpenPLC on Arduino
8
0
1767412897
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