{ "manufacturer": "herholdt", "model": "controls-m1pro-m3pro", "device": "controls-m1pro-m3pro", "category": "Altro", "protocol": "modbus", "version": "v1", "firmware": null, "verification": "IMPORTED", "isDemo": false, "source": { "title": "herholdt controls-m1pro-m3pro — modbus-database (registers.json)", "url": "https://www.aggsoft.com/serial-data-logger/tutorials/modbus-data-logging/herholdt-controls-m1pro-m3pro.htm", "documentRef": null, "revision": null }, "generatedAt": "2026-09-21T14:44:06.922Z", "registers": [ { "address": "4100", "addressNumeric": 4100, "signal": "firmware_version", "name": "Firmware-version", "description": "Firmware-version", "functionCode": 3, "datatype": "uint16", "length": 1, "scale": 1, "offset": 0, "unit": null, "access": "READ", "endianness": null, "group": null, "notes": null }, { "address": "4101", "addressNumeric": 4101, "signal": "range_overflow_alarm", "name": "Range-overflow-alarm", "description": "Range-overflow-alarm", "functionCode": 3, 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