| 摘要 |
<p>A meter includes a meter board configured to communicate with, and to be removably connected with, at least one option board via a parallel interface. Interchangeable option boards are configured to be coupled to the meter board to provide the desired functionality. A user can change metering functionality by removing an option board and inserting another option board in its place. A method for reprogramming the meter includes configuring the meter to accept user code reprogramming at meter power-up and, at power-up, providing user code reprogramming to the meter control program. The meter accepts user code at power-up by executing processor boot loader code providing for optional loading of user code into the processor memory upon processor boot-up.</p> |
