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 |
|---|---|---|---|---|
| Monitoring Status | 1 | U16 | 1 | |
| Alarm State | 2 | U16 | 1 | |
| Fault State | 3 | U16 | 1 | |
| Top Fault | 4 | U16 | 1 | |
| Channel Enabled State | 5 | U16 | 1 | |
| Gas Concentration Ch1 | 6 | F32LE | 1 | |
| Gas Concentration Ch2 | 8 | F32LE | 1 | |
| Gas Concentration Ch3 | 10 | F32LE | 1 | |
| Gas Concentration Ch4 | 12 | F32LE | 1 | |
| Gas Concentration Ch1 (Fixed Point) | 14 | U32LE | 0.1 | |
| Gas Concentration Ch2 (Fixed Point) | 16 | U32LE | 0.1 | |
| Gas Concentration Ch3 (Fixed Point) | 18 | U32LE | 0.1 | |
| Gas Concentration Ch4 (Fixed Point) | 20 | U32LE | 0.1 | |
| Decimal Point Indicator | 22 | U16 | 1 | |
| Heat beat Counter | 23 | U16 | 1 | s |
| Device Maintenance Fault | 24 | U32LE | 1 | |
| Device Instrument Fault | 26 | U32LE | 1 | |
| Relay Status | 28 | U16 | 1 | |
| Temperature in Celsius | 29 | I16 | 1 | oC |
| Flow rate | 30 | U16 | 1 | cc/minute |
| Gas Selection Ch1 | 37 | U16 | 1 | |
| Alarm1 threshold Ch1 | 38 | F32LE | 1 | |
| Alarm2 threshold Ch1 | 40 | F32LE | 1 | |
| Measuring units Ch1 | 42 | U16 | 1 | |
| Alarm Status Ch1 | 43 | U16 | 1 | |
| Fault Status Ch1 | 44 | U16 | 1 | |
| Cell life remaining days Ch1 | 45 | I16 | 1 | days |
| Gas Selection Ch2 | 49 | U16 | 1 | |
| Alarm1 threshold Ch2 | 50 | F32LE | 1 | |
| Alarm2 threshold Ch2 | 52 | F32LE | 1 | |
| Measuring units Ch2 | 54 | U16 | 1 | |
| Alarm Status Ch2 | 55 | U16 | 1 | |
| Fault Status Ch2 | 56 | U16 | 1 | |
| Cell life remaining days Ch2 | 57 | I16 | 1 | days |
| Gas Selection Ch3 | 61 | U16 | 1 | |
| Alarm1 threshold Ch3 | 62 | F32LE | 1 | |
| Alarm2 threshold Ch3 | 64 | F32LE | 1 | |
| Measuring units Ch3 | 66 | U16 | 1 | |
| Alarm Status Ch3 | 67 | U16 | 1 | |
| Fault Status Ch3 | 68 | U16 | 1 | |
| Cell life remaining days Ch3 | 69 | I16 | 1 | days |
| Gas Selection Ch4 | 73 | U16 | 1 | |
| Alarm1 threshold Ch4 | 74 | F32LE | 1 | |
| Alarm2 threshold Ch4 | 76 | F32LE | 1 | |
| Measuring units Ch4 | 78 | U16 | 1 | |
| Alarm Status Ch4 | 79 | U16 | 1 | |
| Fault Status Ch4 | 80 | U16 | 1 | |
| Cell life remaining days Ch4 | 81 | I16 | 1 | days |
| Transmitter serial number | 85 | U16 | 1 | |
| Cartridge serial number | 95 | U16 | 1 | |
| Time Value in Year | 105 | U16 | 1 | |
| Time Value in Month, Date | 106 | U16 | 1 | |
| Time Value in Hour, Minute | 107 | U16 | 1 | |
| Time Value in Seconds | 108 | U16 | 1 | |
| Firmware Version (Transmitter) | 109 | U16 | 1 | |
| Firmware Version (Cartridge) | 110 | U16 | 1 | |
| Write Command 1 | 121 | U16 | 1 | |
| Write Command 2 | 122 | 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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