manufacturer: kohler model: m340 device: m340 category: Altro protocol: modbus version: v1 firmware: null verification: IMPORTED isDemo: false source: title: kohler m340 — modbus-database (registers.json) url: https://www.aggsoft.com/serial-data-logger/tutorials/modbus-data-logging/kohler-m340.htm documentRef: null revision: null generatedAt: 2026-09-21T13:16:09.622Z registers: - address: "1" addressNumeric: 1 signal: system_time name: System-time description: System-time functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "2" addressNumeric: 2 signal: day_of_week name: Day-of-week description: Day-of-week functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "3" addressNumeric: 3 signal: month name: Month description: Month functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "4" addressNumeric: 4 signal: day name: Day description: Day functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "5" addressNumeric: 5 signal: year name: Year description: Year functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "6" addressNumeric: 6 signal: week_of_month name: Week-of-month description: Week-of-month functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "7" addressNumeric: 7 signal: time_not_in_normal_since_reset name: Time-not-in-normal-since-reset description: Time-not-in-normal-since-reset functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "14" addressNumeric: 14 signal: time_not_in_normal name: Time-not-in-normal description: Time-not-in-normal functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "15" addressNumeric: 15 signal: time_in_emergency name: Time-in-emergency description: Time-in-emergency functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "16" addressNumeric: 16 signal: days_of_operation name: Days-of-operation description: Days-of-operation functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "17" addressNumeric: 17 signal: transfers name: Transfers description: Transfers functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "18" addressNumeric: 18 signal: month_in_operation name: Month-in-operation description: Month-in-operation functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "19" addressNumeric: 19 signal: day_in_operation name: Day-in-operation description: Day-in-operation functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "20" addressNumeric: 20 signal: year_in_operation name: Year-in-operation description: Year-in-operation functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "21" addressNumeric: 21 signal: voltage_a_b_normal name: Voltage-A-B-normal description: Voltage-A-B-normal functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "22" addressNumeric: 22 signal: voltage_b_c_normal name: Voltage-B-C-normal description: Voltage-B-C-normal functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "23" addressNumeric: 23 signal: voltage_ca_normal name: Voltage-ca-normal description: Voltage-ca-normal functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "24" addressNumeric: 24 signal: freq_ac_normal name: Freq.-Ac-normal description: Freq.-Ac-normal functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "25" addressNumeric: 25 signal: voltage_a_b_emerg name: Voltage-A-B-emerg description: Voltage-A-B-emerg functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "26" addressNumeric: 26 signal: voltage_b_c_emerg name: Voltage-B-C-emerg description: Voltage-B-C-emerg functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "27" addressNumeric: 27 signal: voltage_ca_emerg name: Voltage-ca-emerg description: Voltage-ca-emerg functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "28" addressNumeric: 28 signal: freq_ac_emerg name: Freq.-Ac-emerg description: Freq.-Ac-emerg functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "29" addressNumeric: 29 signal: exerciser_time_remaining name: Exerciser-time-remaining description: Exerciser-time-remaining functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "30" addressNumeric: 30 signal: month_of_last_exercise name: Month-of-last-exercise description: Month-of-last-exercise functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "31" addressNumeric: 31 signal: day_of_last_exercise name: Day-of-last-exercise description: Day-of-last-exercise functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "32" addressNumeric: 32 signal: year_of_last_exercise name: Year-of-last-exercise description: Year-of-last-exercise functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "33" addressNumeric: 33 signal: time_of_last_outage name: Time-of-last-outage description: Time-of-last-outage functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "34" addressNumeric: 34 signal: month_of_last_outage name: Month-of-last-outage description: Month-of-last-outage functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "35" addressNumeric: 35 signal: day_of_last_outage name: Day-of-last-outage description: Day-of-last-outage functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "36" addressNumeric: 36 signal: year_of_last_outage name: Year-of-last-outage description: Year-of-last-outage functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "37" addressNumeric: 37 signal: duration_of_last_outage name: Duration-of-last-outage description: Duration-of-last-outage functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "38" addressNumeric: 38 signal: history_event_1_code name: History-event-#1-code description: History-event-#1-code functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "39" addressNumeric: 39 signal: history_event_2_code name: History-event-#2-code description: History-event-#2-code functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "40" addressNumeric: 40 signal: history_event_2_month name: History-event-#2-month description: History-event-#2-month functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "41" addressNumeric: 41 signal: history_event_2_day name: History-event-#2-day description: History-event-#2-day functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "42" addressNumeric: 42 signal: history_event_2_year name: History-event-#2-year description: History-event-#2-year functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "43" addressNumeric: 43 signal: history_event_3_code name: History-event-#3-code description: History-event-#3-code functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "44" addressNumeric: 44 signal: history_event_3_month name: History-event-#3-month description: History-event-#3-month functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "45" addressNumeric: 45 signal: history_event_3_day name: History-event-#3-day description: History-event-#3-day functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "46" addressNumeric: 46 signal: history_event_3_year name: History-event-#3-year description: History-event-#3-year functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "47" addressNumeric: 47 signal: history_event_4_code name: History-event-#4-code description: History-event-#4-code functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "48" addressNumeric: 48 signal: history_event_4_month name: History-event-#4-month description: History-event-#4-month functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "49" addressNumeric: 49 signal: history_event_4_day name: History-event-#4-day description: History-event-#4-day functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "50" addressNumeric: 50 signal: history_event_4_year name: History-event-#4-year description: History-event-#4-year functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "51" addressNumeric: 51 signal: alert_code name: Alert-code description: Alert-code functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "77" addressNumeric: 77 signal: off_to_emergency_time_delay name: Off-to-emergency-time-delay description: Off-to-emergency-time-delay functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "78" addressNumeric: 78 signal: off_to_normal_time_delay name: Off-to-normal-time-delay description: Off-to-normal-time-delay functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "79" addressNumeric: 79 signal: engine_start_time_delay name: Engine-start-time-delay description: Engine-start-time-delay functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "80" addressNumeric: 80 signal: normal_to_emerg_time_delay name: Normal-to-emerg.-Time-delay description: Normal-to-emerg.-Time-delay functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null - address: "81" addressNumeric: 81 signal: emerg_to_normal_time_delay name: Emerg.-To-normal-time-delay description: Emerg.-To-normal-time-delay functionCode: 3 datatype: uint16 length: 1 scale: 1 offset: 0 unit: null access: READ endianness: null group: null notes: null