Fetch and Write

Fetch/Write is a protocol to communicate with a Siemens PLC. If you are using a Siemens 1200 or 1500 series PLC, you will need to grant EcoStruxure Machine Expert Twin full access through TIA.

Properties for Fetch

• Identification
  • Name – Customizable name
  • Id – Customizable Id
• Communication
  • Port – Port used for communication between EcoStruxure Machine Expert Twin and “Device”
  • IP Address – Type in IP address (only available if Mode = Client)
  • Mode – Select “Server” or “Client”
  • Source – Choose the data area to be read from. Options are Flag Area(M), Input(I), Output(Q), Data Block(DB), Counter Cells(C) or Timer Cells(T)
  • Update Interval – Measured in milliseconds. Less than 25ms activates fast mode updating
  • Auto Connect – Activate or Deactivate whether EcoStruxure Machine Expert Twin should try to automatically connect to the “Device”
• Memory Allocation
  • Automatic – Activate or Deactivate automatic memory allocation
  • Length – Set data length (only available if Automatic = False)
  • Offset – Set offset for data (only available if Automatic = False)

Properties for Write

• Identification
  • Name – Customizable name
  • Id – Customizable Id
• Communication
  • Port – Port used for communication between EcoStruxure Machine Expert Twin and “Device”
  • IP Address – Type in IP address (only available if Mode = Client)
  • Mode – Select “Server” or “Client”
  • Destination – Choose the data area to be written to. Options are Flag Area(M), Input(I), Output(Q), Data Block(DB), Counter Cells(C) or Timer Cells(T)
  • Synchronized – Activate and Deactivate synchronization
  • Auto Connect – Activate or Deactivate whether EcoStruxure Machine Expert Twin should try to automatically connect to the “Device”
• Memory Allocation
  • Automatic – Activate or Deactivate automatic memory allocation
  • Length – Set data length (only available if Automatic = False)
  • Offset – Set offset for data (only available if Automatic = False)