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[Bug]: Multi-Item writes don't seem to work on S7 devices #1522

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2 of 16 tasks
chrisdutz opened this issue Apr 12, 2024 · 2 comments
Closed
2 of 16 tasks

[Bug]: Multi-Item writes don't seem to work on S7 devices #1522

chrisdutz opened this issue Apr 12, 2024 · 2 comments
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@chrisdutz
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What happened?

When running the updated ManualTest against my S7 device, which now also does multi-item write requests against the device, the test fails on the first multi-item write.

Version

v0.13.0-SNAPSHOT

Programming Languages

  • plc4j
  • plc4go
  • plc4c
  • plc4net

Protocols

  • AB-Ethernet
  • ADS /AMS
  • BACnet/IP
  • CANopen
  • DeltaV
  • DF1
  • EtherNet/IP
  • Firmata
  • KNXnet/IP
  • Modbus
  • OPC-UA
  • S7
@chrisdutz chrisdutz added the bug label Apr 12, 2024
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Capture of the rest only testing multi item writes.

s7-driver-multi-item-write-error.pcapng.zip

@chrisdutz chrisdutz self-assigned this May 17, 2024
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Investigating into this issue shows that it's probably a problem related to the optimzizer building too large PDUs

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@chrisdutz