Article - CS404358

Receiving error code 1861 when using the Beckhoff TwinCAT Driver in PTC Kepware Products

Modified: 07-Aug-2025   


Applies To

  • Kepware Server (formerly KEPServerEX) 6.0.2107.0 N/A to 6.18

Description

  • Beckhoff TwinCAT Driver
  • Error Code 1861
  • Not able to successfully establish communication between the Device and PTC Kepware Products
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