Article - CS325849

Modbus Hub for Kepware Products

Modified: 19-Nov-2025   


Applies To

  • Kepware Server (formerly KEPServerEX) 5.20.396.0 N/A to 6.18
  • ThingWorx Kepware Server (legacy) 8.0 N/A to 6.18
  • ThingWorx Kepware Edge (legacy) 1.0 to 1.1

Description

  • Various articles covering Instructions/Supported Features/Troubleshooting/Errors associated with Modbus: 
    • How to configure a Modbus TCP connection to a Modbus Slave running on the same computer 
    • What is a Modbus Device ID/Slave ID?
    • How the Modbus driver processes memory addresses 
    • Where to change the port on for Modbus Ethernet TCP/IP?
    • Modbus device fails to send updates if multiple items are requested as a block 
    • Modbus addressing in hexadecimal format
    • Modbus device readings show wrong values
    • Modbus error: Bad address in block. | Block range = <address> to <address> 
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