gxdn
By Administrator, 23 January, 2018
Image transfer object is used to update new firmware to the meter. Example how to update the image.

Properties

  • 1. Logical Name
    Logical name of the object.
  • 2. Image block size
    How many bytes are send to the meter in one block. Image block size can't exceed the Max receive PDU size. DLMS standard defines that this is property of the meter and it can't be changed.
  • 3. Image transferred blocks status
    Bit string that tells status of received image blocks Bit is zero if block is missing.

    Note! The status of the first block is on the left in the bit-string.
    Bit order is: Least Significant Bit ... (Most Significant Bit)

  • 4. image first not transferred block number
    Zero based number from image block not transferred.
  • 5. Image transfer enabled
    Can user update new image.
  • 6. Image transfer status
    Status of the Image transfer process
    • .
  • 7. Image to activate info
    List of images ready for activation.

Actions

  • 1. Image transfer initiate
    Initiate image transfer.
  • 2. Image blocktransfer
    Move next block to the device.
  • 3. Image verify
    Verify image.
  • 4. Image activate
    Activate image.