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. The image first not transferred block number
  A zero-based image block number that has not been transferred.
• 5. Image transfer enabled
  This property tells if the image update is possible.
• 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. This method initiates a new image update. Some meters expect the image identifier to be the exact name the meter manufacturer has given. Some meters accept any name as an image identifier.
• 2. Image blocktransfer
  Move image blocks to the device. The image must be verified and activated after the image blocks are transferred.
• 3. Image verify.
  Verify image.
• 4. Image activate
  Activate image. Meters usually reboot after this action is executed and don't reply anymore. Image activation might take a long time before it's done. Execution time depends on the meter model and it varies a lot.