{ "manufacturer": "pilot", "model": "spm33", "device": "spm33", "category": "Altro", "protocol": "modbus", "version": "v1", "firmware": null, "verification": "IMPORTED", "isDemo": false, "source": { "title": "pilot spm33 — modbus-database (registers.json)", "url": "https://www.aggsoft.com/serial-data-logger/tutorials/modbus-data-logging/pilot-spm33.htm", "documentRef": null, "revision": null }, "generatedAt": "2026-09-21T13:14:29.703Z", "registers": [ { "address": "1", "addressNumeric": 1, "signal": "phase_b_voltage", "name": "Phase-B-voltage", "description": "Phase-B-voltage", "functionCode": 3, "datatype": "uint16", "length": 1, "scale": 1, "offset": 0, "unit": "V", "access": "READ", "endianness": null, "group": null, "notes": null }, { "address": "2", "addressNumeric": 2, "signal": "phase_c_voltage", "name": "Phase-C-voltage", "description": "Phase-C-voltage", "functionCode": 3, "datatype": "uint16", "length": 1, "scale": 1, "offset": 0, "unit": "V", "access": "READ", "endianness": 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