Activation Of The Image; Restrictions; Firmware Identification Format - Honeywell AS302P Operating Instructions Manual

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AS302P Single Phase Smart Meter
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If the verification is successful, the AS302P constructs and sends a Firmware Distribution Receipt Alert and
stores the Manufacturer Image contained within the OTA Upgrade Image
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If the verification is not successful, the AS302P discards the OTA Upgrade Image, and sends a Firmware
Verification Failed Alert

22.3.3. Activation of the Image

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The activation of a New Image is performed after the defined date and time of a successfully received "Activation
Command" from the DCC (which can be future dated)
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The "Activation Command" is a Critical Command and is checked accordingly
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If all Critical Command Verifications succeed, the Device calculates the Manufacturer Image Hash of the
Manufacturer Image it holds and compares that with the Manufacturer Image Hash specified in the Activate
Firmware Image Command.
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If the two Hashes match, the Device attempts to activate the Firmware Image.
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If the two Hashes do not match, the Device does not attempt to activate the Firmware Image.
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The Device issues a relevant Activate Firmware Image Response detailing the success or failure
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If the image is successfully activated, the AS302P updates the value stored for the active Firmware Version.

22.3.4. Restrictions

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If the verification fails then the New Image cannot be activated
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The AS302P can only have one Active Image and only one Image that is pending for activation.
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The AS302P allows a New Image to be downloaded at any time.
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The AS302P verifies its Firmware at every Power On to check that it is the same as the last Verified and Running
Firmware. If the verification fails then an entry in the Security Log will be made and an Alert will be generated on
the HAN.
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The AS302P doesn't allow the activation of the same image or older (the pending image version must be
incremental to the current image running).
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Each Command performed by the AS302P (verification/activation of a new image) triggers a new Alert.

22.3.5. Firmware identification format

The AS302P firmware image is identified by a version string of the form: ASPXX.YY.ZZ-RRRRR
with:
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ASP - Application FW for Single Phase meter ACOR FW)
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XX - product related version number (AS302P = 09)
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YY - major version number (feature level – new, changed or removed feature)
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ZZ - minor version number (patch level – bug fix)
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RRRRR – revision number
The operational version of Firmware of the Device could be read using GBCS use-case "ECS52 Read ESME/Comms Hub
Firmware Version". The value of this attribute is 4 bytes long.
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Byte 3 – major version number as BCD
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Byte 2 – minor version number as BCD
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Byte 1,0 – revision number as HEX representation
This can also be seen on meter display, in the menu Utility->FW info in YY:ZZ:RR:RR format
© Honeywell - M450 001 1D - 23.05.2019