apache/plc4x

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PLC4X The Industrial IoT adapter

Stars: 1.7k
Forks: 503
Open beginner issues: 1
Indexed issues: 24
Avg merge: 8h 19m
Merged PRs (30d): 37

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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24 open issues indexed

[Bug]: AdsTcpConnection sendAmsRequest throws away userdata Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

apache/plc4x#2758 · Opened Sep 16, 2026
When subscribing to the OPcUaServber, the PlcProtocolException exception occurs frequently Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

apache/plc4x#2753 · Opened Sep 15, 2026
Expose the per-tag cause on PlcTagResponse, not just a bare PlcResponseCode Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

apache/plc4x#2744 · 3 comments · Opened Sep 11, 2026
S7: reading a BOOL array fails with NullPointerException in PlcBOOL.of, tag returns INTERNAL_ERROR Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

apache/plc4x#2742 · 2 comments · Opened Sep 11, 2026
[Bug]: eip.mspec formation Open

Ethernet/IP java

Difficulty 1/5 Under an hour Newbie friendliness 90/100

apache/plc4x#2733 · 4 comments · Opened Sep 6, 2026
[Feature Request]: Revive the .NET port (plc4net) — net8.0, SPI3 alignment, driver runtime Open

working on it

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#2655 · 2 comments · Opened Jul 26, 2026
[Feature Request]: Contribution proposal: read-only SLMP (MELSEC-Communication 3E) driver Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

apache/plc4x#2585 · 6 comments · Opened Jun 4, 2026
[Feature Request]: show the name of PLC in logged warnings Open

java

Difficulty 4/5 3-5 days Newbie friendliness 45/100

apache/plc4x#2495 · 1 comment · Opened Mar 18, 2026
[Feature Request]: better error message when data-content doesn't mach data-spec in S7 Open

java S7

Difficulty 4/5 3-5 days Newbie friendliness 45/100

apache/plc4x#2377 · 2 comments · Opened Dec 4, 2025
[Feature Request]: Secure ADS with Beckhoff ADS PLC Open

ADS java

Difficulty 5/5 Over a week Newbie friendliness 35/100

apache/plc4x#2173 · 14 comments · Opened Jul 13, 2025
[Feature Request]: Modbus: Support for Word Swap Open

java Modbus

Difficulty 3/5 1-2 days Newbie friendliness 45/100

apache/plc4x#2059 · 6 comments · Opened Apr 24, 2025
[Feature Request]: omron finstcp/insudp protocol support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#2049 · 7 comments · Opened Apr 2, 2025
[Feature Request]: S7CommPlus Support Open

java S7

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#2003 · 4 comments · Opened Feb 5, 2025
[Feature Request]: EtherNet/IP Implicit Messaging is supported ? Open

Ethernet/IP java

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#1940 · 2 comments · Opened Dec 17, 2024
[Task]: Port back the advancements in the Go version of the KNX driver back to Java Open

go java KNXnet

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#1691 · Opened Jul 5, 2024
[Feature Request]: support for IEC61850 Open

java

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#1551 · 3 comments · 2 reactions · Opened Apr 22, 2024
[Feature Request]: Implement OPC-UA connection level discovery aside of main driver logic Open

java OPC-UA

apache/plc4x#1520 · 1 assignee · Opened Apr 12, 2024
[Feature Request]: Support for software/hardware timestamp information in CANopen driver Open

CANopen java

apache/plc4x#1471 · 1 comment · 1 assignee · Opened Mar 27, 2024
[Feature Request]: Update CANopen driver to rely tag config options Open

CANopen java

apache/plc4x#1470 · 1 assignee · Opened Mar 27, 2024
[Feature Request]: Support TC2 (Was: [Bug]: Invalid tag item type from old Beckhoff) Open

ADS go

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/plc4x#1424 · 8 comments · Opened Feb 25, 2024
[Feature Request]: SNMP Driver Support Open

java

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#1414 · 2 comments · 2 reactions · Opened Feb 19, 2024
[Feature Request]: How to handle reconnection after disconnection in a subscription? Open

java OPC-UA

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#1031 · 2 comments · Opened Jul 13, 2023
[Feature Request]: Semi hsms Driver Support Open

java

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/plc4x#948 · 3 comments · Opened May 16, 2023
[Feature Request]: Implement the Profinet Protocol Open

java MAJOR Profinet

apache/plc4x#581 · 2 comments · 1 assignee · Opened Nov 9, 2022

apache/plc4x

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