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.
Round-trips through a real Modbus stack with no overlapping addresses and a word-order-sensitive codec — the map is internally coherent and wire-decodable. Does NOT prove byte-order or scaling match a real device: the emulator is seeded from the map's own types, so a uniformly wrong byte-order still round-trips. Only hardware-verified confirms byte-order/scale on the wire.
| point | address (0-based) | type | scale | unit |
|---|---|---|---|---|
| classified_error | 0 | U16 | 1 | |
| classified_status_1 | 1 | U16 | 1 | |
| classified_status_2 | 2 | U16 | 1 | |
| classified_status_3 | 3 | U16 | 1 | |
| classified_status_4 | 4 | U16 | 1 | |
| device_error_condition_1 | 5 | U16 | 1 | |
| device_error_condition_2 | 6 | U16 | 1 | |
| device_warning_condition_1 | 7 | U16 | 1 | |
| device_warning_condition_2 | 8 | U16 | 1 | |
| heartbeat | 9 | U16 | 1 | |
| measurement_1 | 10 | F32BE | 1 | |
| measurement_2 | 12 | F32BE | 1 | |
| measurement_3 | 14 | F32BE | 1 | |
| measurement_4 | 16 | F32BE | 1 | |
| measurement_5 | 18 | F32BE | 1 | |
| measurement_6 | 20 | F32BE | 1 | |
| measurement_7 | 22 | F32BE | 1 | |
| measurement_8 | 24 | F32BE | 1 | |
| measurement_9 | 26 | F32BE | 1 | |
| measurement_10 | 28 | F32BE | 1 | |
| measurement_11 | 30 | F32BE | 1 | |
| measurement_12 | 32 | F32BE | 1 | |
| measurement_13 | 34 | F32BE | 1 | |
| measurement_14 | 36 | F32BE | 1 | |
| measurement_15 | 38 | F32BE | 1 | |
| measurement_16 | 40 | F32BE | 1 |
⚠ Explosion hazard. This manual is only for installation of the unit in a non-hazardous location. — Starkest reads only; we never write a control register.
| terminals | Power and relay terminals are designed for only single wire termination. |
| A/B polarity | Mains connection must keep supply polarity. |
| connector | M12 female D-coding connector for LAN |
| isolation | The relays are isolated from each other and the low-voltage input/output circuitry. |
| shield/ground | If metal conduit is used, make sure that the conduit hub is tightened so that the conduit hub connects the metal conduit to safety ground. |
| response timeout | 1000 ms |
| protocol notes | Read timeout default is 1 second. Register write timeout default is 3 seconds. File write timeout default is 5 seconds. File preparation timeout default is 6 seconds. Recommended poll rate is between 500 ms and 5 s. |
| identification notes | Module information menu shows the software version, bootloader version and serial number of the Modbus module. |
| power | AC controller: 100–240 VAC ±10%, 50/60 Hz, 1 A; DC controller: 18–28 VDC, 2.5 A |
| environment | Operating temperature: -20 to 60 °C (8W AC/9W DC sensor load) or -20 to 45 °C (28W AC/20W DC sensor load); Relative humidity: 0 to 95%, non-condensing; Altitude: 3000 m maximum; Indoor and outdoor use |
| certifications | CE, ETL certified to UL and CSA safety standards, FCC, ISED, KC, RCM, EAC, UKCA, SABS, CMIM, Morocco |
| doc revision | 07/2025, Edition 14 |
Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.
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