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Questions - apache-plc4x

"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...
test-img

Guillermo Hinojosa

apache-plc4x

plc4x

Votes: 0

Answers: 1

Latest Answer

For anyone having the same issue: Apparently, from what I've read, the Micro820 series have limitations reading tags. In the case of the PLC I was using (2080-LC20-20QWB) I had to: Establish a sessio...
test-img

Guillermo Hinojosa

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....
test-img

digga106

java

apache-plc4x

plc4x

Votes: 0

Answers: 0

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