Register map(s) for this device, with a note of how far each has been checked. Addresses are 0-based, as on the wire. Scale and byte order are confirmed only at the hardware-verified rung.
Decode path is structurally sound (addresses, widths, finite values). Does NOT prove word order or scaling.
| point | address (0-based) | type | scale | unit |
|---|---|---|---|---|
| serial number | 0 | U32LE | 1 | |
| firmware revision | 2 | U16 | 1 | |
| oem identification | 3 | U16 | 1 | |
| meter options | 4 | U32LE | 1 | |
| # meter power ups | 6 | U16 | 1 | |
| # peak demand resets | 7 | U16 | 1 | |
| meter on-time | 8 | U32LE | 1 | |
| # flash erase cycles | 10 | U32LE | 1 | |
| device type | 12 | U16 | 1 | |
| demand interval down counter | 14 | U16 | 1 | |
| Vln a | 99 | U16 | 1 | V |
| Vln b | 100 | U16 | 1 | V |
| Vln c | 101 | U16 | 1 | V |
| Vln avg | 102 | U16 | 1 | V |
| Vll ab | 103 | U16 | 1 | V |
| Vll bc | 104 | U16 | 1 | V |
| Vll ca | 105 | U16 | 1 | V |
| Vll avg | 106 | U16 | 1 | V |
| I a | 107 | U16 | 1 | A |
| I b | 108 | U16 | 1 | A |
| I c | 109 | U16 | 1 | A |
| I avg | 110 | U16 | 1 | A |
| I demand | 111 | U16 | 1 | A |
| I peak demand | 112 | U16 | 1 | A |
| I4 | 113 | U16 | 1 | A |
| Frequency | 114 | I16 | 0.01 | Hz |
| PF sign total | 115 | I16 | 0.01 | |
| PF sign a | 116 | I16 | 0.01 | |
| PF sign b | 117 | I16 | 0.01 | |
| PF sign c | 118 | I16 | 0.01 | |
| kW total | 119 | I16 | 1 | kW |
| kVAR total | 120 | I16 | 1 | kVAR |
| kVA total | 121 | I16 | 1 | kVA |
| kW a | 122 | I16 | 1 | kW |
| kW b | 123 | I16 | 1 | kW |
| kW c | 124 | I16 | 1 | kW |
| kVAR a | 125 | I16 | 1 | kVAR |
| kVAR b | 126 | I16 | 1 | kVAR |
| kVAR c | 127 | I16 | 1 | kVAR |
| kVA a | 128 | I16 | 1 | kVA |
| kVA b | 129 | I16 | 1 | kVA |
| kVA c | 130 | I16 | 1 | kVA |
| kW demand | 131 | I16 | 1 | kW |
| kW peak demand | 132 | I16 | 1 | kW |
| kVAR demand | 133 | I16 | 1 | kVAR |
| kVA demand | 134 | I16 | 1 | kVA |
| kVAR peak demand | 135 | I16 | 1 | kVAR |
| kVA peak demand | 136 | I16 | 1 | kVA |
| kWh del | 137 | U32LE | 1 | kWh |
| kWh rec | 139 | U32LE | 1 | kWh |
| kVARh del | 141 | U32LE | 1 | kVARh |
| kVARh rec | 143 | U32LE | 1 | kVARh |
| kVAh del+rec | 145 | U32LE | 1 | kVAh |
| V1 THD | 147 | U16 | 0.1 | % |
| V2 THD | 148 | U16 | 0.1 | % |
| V3 THD | 149 | U16 | 0.1 | % |
| I1 THD | 150 | U16 | 0.1 | % |
| I2 THD | 151 | U16 | 0.1 | % |
| I3 THD | 152 | U16 | 0.1 | % |
| I a demand | 153 | U16 | 1 | A |
| I b demand | 154 | U16 | 1 | A |
| I c demand | 155 | U16 | 1 | A |
| I a peak demand | 156 | U16 | 1 | A |
| I b peak demand | 157 | U16 | 1 | A |
| I c peak demand | 158 | U16 | 1 | A |
| kWh a del | 159 | U32LE | 1 | kWh |
| kWh b del | 161 | U32LE | 1 | kWh |
| kWh c del | 163 | U32LE | 1 | kWh |
| kWh a rec | 165 | U32LE | 1 | kWh |
| kWh b rec | 167 | U32LE | 1 | kWh |
| kWh c rec | 169 | U32LE | 1 | kWh |
| kVARh a del | 171 | U32LE | 1 | kVARh |
| kVARh b del | 173 | U32LE | 1 | kVARh |
| kVARh c del | 175 | U32LE | 1 | kVARh |
| kVARh a rec | 177 | U32LE | 1 | kVARh |
| kVARh b rec | 179 | U32LE | 1 | kVARh |
| kVARh c rec | 181 | U32LE | 1 | kVARh |
| kVAh a | 183 | U32LE | 1 | kVAh |
| kVAh b | 185 | U32LE | 1 | kVAh |
| kVAh c | 187 | U32LE | 1 | kVAh |
| Expansion, SnapOn 1, 25 regs | 499 | U16 | 1 | |
| Expansion, SnapOn 2, 25 regs | 699 | U16 | 1 | |
| kWh del | 1137 | U32BE | 1 | kWh |
| kWh rec | 1139 | U32BE | 1 | kWh |
| kVARh del | 1141 | U32BE | 1 | kVARh |
| kVARh rec | 1143 | U32BE | 1 | kVARh |
| kVAh del+rec | 1145 | U32BE | 1 | kVAh |
| kWh a del | 1159 | U32BE | 1 | kWh |
| kWh b del | 1161 | U32BE | 1 | kWh |
| kWh c del | 1163 | U32BE | 1 | kWh |
| kWh a rec | 1165 | U32BE | 1 | kWh |
| kWh b rec | 1167 | U32BE | 1 | kWh |
| kWh c rec | 1169 | U32BE | 1 | kWh |
| kVARh a del | 1171 | U32BE | 1 | kVARh |
| kVARh b del | 1173 | U32BE | 1 | kVARh |
| kVARh c del | 1175 | U32BE | 1 | kVARh |
| kVARh a rec | 1177 | U32BE | 1 | kVARh |
| kVARh b rec | 1179 | U32BE | 1 | kVARh |
| kVARh c rec | 1181 | U32BE | 1 | kVARh |
| kVAh a | 1183 | U32BE | 1 | kVAh |
| kVAh b | 1185 | U32BE | 1 | kVAh |
| kVAh c | 1187 | U32BE | 1 | kVAh |
| Energy Reset | 2000 | U16 | 1 | |
| Peak Power Demand Reset | 2001 | U16 | 1 | |
| Peak Current Demand Reset | 2002 | U16 | 1 | |
| Digital Output #1 | 2003 | U16 | 1 | |
| Digital Output #2 | 2004 | U16 | 1 | |
| Configuration via display password | 3999 | U16 | 1 | |
| Volts Mode | 4000 | U16 | 1 | |
| PT Primary | 4001 | U16 | 1 | |
| PT Secondary | 4002 | U16 | 1 | |
| CT Primary | 4003 | U16 | 1 | |
| CT Secondary | 4004 | U16 | 1 | |
| V1 Polarity | 4005 | U16 | 1 | |
| V2 Polarity | 4006 | U16 | 1 | |
| V3 Polarity | 4007 | U16 | 1 | |
| I1 Polarity | 4008 | U16 | 1 | |
| I2 Polarity | 4009 | U16 | 1 | |
| I3 Polarity | 4010 | U16 | 1 | |
| Programmable Voltage Scale (PVS) | 4011 | U16 | 1 | |
| Programmable Current Scale (PIS) | 4012 | U16 | 1 | |
| Programmable Neutral Current Scale (PnS) | 4013 | U16 | 1 | |
| Programmable Power Scale (PPS) | 4014 | U16 | 1 | |
| Demand Sub Interval | 4015 | U16 | 1 | minutes |
| Demand #Sub Intervals | 4016 | U16 | 1 | |
| Kt, Digital Output #1 | 4017 | U16 | 0.1 | |
| Kt, Digital Output #2 | 4018 | U16 | 0.1 | |
| Output Mode, Digital Output #1 | 4020 | U16 | 1 | |
| Output Mode, Digital Output #2 | 4021 | U16 | 1 | |
| Baud Rate | 4023 | U16 | 1 | |
| Protocol | 4024 | U16 | 1 | |
| Unit ID | 4025 | U16 | 1 | |
| RTS Delay | 4026 | U16 | 1 | milliseconds |
| Display Scroll Time | 4027 | U16 | 1 | seconds |
| Display Refresh Period | 4028 | U16 | 1 | seconds |
| PT Scale | 4029 | U16 | 1 |
Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.
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