Topic 3.1: Communication with ModbusBridge

STEP 1: Open SMC from All program>Wonderware>System Management Console.

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STEP 2: Expand the ArchestrA.DASMBTCP.2 icon's tree view. It is located under the Local Node in the DAServer Manager.

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STEP 3: Expand ArchestrA.DASMBTCP.2 and Right click on Configuration and ADD “New_TCPIP_PORT_000”

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STEP 4: In TCPIP_PORT, Add Port Number: 502

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STEP 5: Right click on New_TCPIP_PORT_000 and Add “Add ModbusBridge Object”

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STEP 6: Rename “ModbusBridge”

This configuration view has three configurable elements.

  • Bridge type: From the drop-down menu, select the type of Communications Bridge to use for the connection to the TCP/IP Port.
    • The default bridge type is the Modbus Bridge.
    • The alternative bridge is the NR&D Pen-T Bridge.
  • Network address: Enter the host name or IP address of the bridge.
    • The number of characters should not exceed 255.
    • The field cannot be blank. (The number of characters cannot be zero (0).
    • The default value is 1.0.0.0.
  • Maximum outstanding messages: Enter the maximum number of queued messages allowed in the Modbus Bridge.


       In Network Address, Add IP Address of PLC.

       Network Address: 192.168.11.248

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STEP 7: Right click on ModbusBridge and Add “Add ModiconMicro Object”

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STEP 8: Rename “ModiconMicro”

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STEP 9: Select Bit order format as given by PLC.

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STEP 10: In Device Groups, Right click and Add New Device Group.

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Give Name Topic_0.

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STEP 11: In Device Items, Right click and Add New Item.

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Give Name “Item_0” And In Item Reference, Give Item Reference of PLC: “40001”

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STEP 12: Click on Save button.

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STEP 13: Right click on DASMBTCP and Click on Active server.

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Last modified: Tuesday, 2 July 2019, 9:43 AM