Article - CS420687
Slow Communication when writing to Allen Bradley ControlLogix Ethernet driver using Symbolic Protocol in PTC Kepware products
Modified: 19-Jun-2024
Applies To
- Kepware Server (formerly KEPServerEX) 6.7 to 6.16
- ThingWorx Kepware Server (legacy) 6.8 to 6.16
Description
- Customer is experiencing slow communication when attempting to write to an Allen-Bradley ControlLogix Ethernet driver
- The customer is currently using the "Symbolic" protocol mode and is unable to switch to "Logical Non-Blocking" mode
- Allen-Bradley ControlLogix Ethernet driver shows below error and warning messages in PTC Kepware products
Error:<Device name> | The following errors occurred uploading controller project from device. Resorting to Symbolic Protocol Error:<Device name> | Framing error occurred while uploading project information Warning:<Device name> | Project online edit detected. Currently using Symbolic addressing
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