69 lines
5.1 KiB
Plaintext
69 lines
5.1 KiB
Plaintext
The ABNT CODI is an old energy meter standard used in Brazil.
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This code interprets the end user serial output existent in the energy meter.
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That output externalizes its data blinking an LED as a serial protocol at the
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baudrate of 110 BPS and uses 8 octects:
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_____________________________________________________________________________
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| OCTECT | bits | Description |
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|________|______|_____________________________________________________________|
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| 001 | 0-7 | Number of seconds to the end of current active demand (LSB) |
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|________|______|_____________________________________________________________|
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| 002 | 0-3 | Number of seconds to the end of current active demand (MSB) |
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|________|______|_____________________________________________________________|
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| | 4 | Bill indicator. It is inverted at each demand replenishment |
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|________|______|_____________________________________________________________|
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| | 5 | Reactive Interval Indicator. Inverted at end react interval |
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|________|______|_____________________________________________________________|
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| | 6 | If 1 means the reactive-capacitive is used to calculate UFER|
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|________|______|_____________________________________________________________|
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| | 7 | If 1 means the reactive-inductive is used to calculate UFER |
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|________|______|_____________________________________________________________|
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| 003 | 0-3 | Current seasonal segment: |
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| | | 0001 - tip |
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| | | 0010 - out of tip |
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| | | 1000 - reserved |
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|________|______|_____________________________________________________________|
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| | 4-5 | Type of charging indicator (flag): |
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| | | 00 - Blue |
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| | | 01 - Green |
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| | | 10 - Irrigators |
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| | | 11 - Other |
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|________|______|_____________________________________________________________|
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| | 6 | Not used |
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|________|______|_____________________________________________________________|
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| | 7 | If equal 1 means reactive rate is enabled |
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|________|______|_____________________________________________________________|
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| 004 | 0-7 | Number of pulses for active energy of cur dem interv (LSB) |
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|________|______|_____________________________________________________________|
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| 005 | 0-6 | Number of pulses for active energy of cur dem interv (MSB) |
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|________|______|_____________________________________________________________|
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| | 7 | Not used |
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|________|______|_____________________________________________________________|
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| 006 | 0-7 | Number of pulses for reactive energy of cur dem interv (LSB)|
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|________|______|_____________________________________________________________|
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| 007 | 0-6 | Number of pulses for reactive energy of cur dem interv (MSB)|
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|________|______|_____________________________________________________________|
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| | 7 | Not used |
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|________|______|_____________________________________________________________|
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| 008 | 0-7 | Inverted bits of "xor" from previous octects |
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|________|______|_____________________________________________________________|
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