python (65.1k questions)
javascript (44.2k questions)
reactjs (22.7k questions)
java (20.8k questions)
c# (17.4k questions)
html (16.3k questions)
r (13.7k questions)
android (12.9k questions)
Kafka - PLC4X - Modbus/TCP - Exception during scraping of Job
I'm implementing apatche kafka(2.13-3.1.0) PLC4x connector to communicate with a PLC (Allen-Bradly - 1756-L83E ControlLogix 5580 controller), but I keep getting the following:
[2022-04-01 21:40:09,621...
TheTags
Votes: 0
Answers: 1
"Unsupported case for discriminated type" when reading tag from Allen Bradley's Micro820 PLC, using Apache's PLC4X
I’m using Apache’s PLC4X library in order to read some tags from an Allen Bradley’s Micro820 PLC (2080-LC20-20QWB). So far, I am able to establish a connection with the device but when I try to execut...
Guillermo Hinojosa
Votes: 0
Answers: 1
How to read the bit of switch of PLC in C# application
i am working on read and write the Mitsubishi PLC via C# application i need to read the date and time of plc and display in the datagridview in application. If i store a date example Year,Month and Da...
deny
Votes: 0
Answers: 1
PLC4X: S7 Connection NullPointerException
I want to read out a single DB Value from a S7-300 with PLC4X in Java with this code:
import java.util.concurrent.TimeUnit;
import org.apache.plc4x.java.PlcDriverManager;
import org.apache.plc4x.java....
digga106
Votes: 0
Answers: 0