Revenue firmware security features
You cannot perform resets or configure some revenue-specific parameters on your meter while it is revenue-locked.
Revenue meters and firmware upgrades
| Meter model | Upgrade information |
|---|---|
|
PM5561 / PM5661 / PM5761 |
The OS CRC value is a number that identifies the uniqueness between different OS firmware versions. You cannot upgrade a locked meter. In order to upgrade, you must:
|
|
PM5562 / PM5562MC |
You cannot upgrade a locked meter. In order to upgrade, you must:
|
| NOTICE |
|---|
|
LOSS OF COMPLIANCE
Ensure that you re-certify your meter with the appropriate
revenue metering authorities after re-enabling the hardware-based
security.
Failure to follow these instructions may render your
device non-compliant for billing purposes.
|