MAPPING TABLE SYS GW MODBUS BMS Gateway Modbus Thank you very much for purchasing our product. Before using your product, please read this manual carefully and keep it for future reference.
Contents 1 Mapping Table for IDU Variables ............. 1 1.1 Read Discrete Inputs ..........................................1 1.2 Read Input Registers..........................................3 1.3 Holding Registers ...............................................8 2 Mapping Table for ODU Variables ......... 13 2.1 Read Discrete Inputs ........................................13 2.2 Read Input Registers........................................15 3 Error Code Description ...........................
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1. Mapping Table for IDU Variables Command Type Read input registers 7 7 IDU Address Register Address Variable Name Data Length Meaning 31012 Heat temp set 2bytes Heat temp set 31013 Room temperature 2bytes Room temperature, 17~30 (temperature range: -15°C ~ 80°C.
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1. Mapping Table for IDU Variables Command Type Holding register IDU Address Register Address Variable Name Data Length 40005 Set temperature/ cool temp_set 2bytes Set temperature (non-auto mode), 17~30, or cool temperature (For initial single temperature control parameter, mode is set to cool and fan speed is low by default. Subsequently, other parameters such as mode and fan speed will be implemented based on the last modbus control parameters.
1. Mapping Table for IDU Variables Command Type IDU Address Register Address 40012 Holding register … Single holding register IDUn Fan speed setting Data Length Meaning 2bytes 0: Auto, (DC unit, fan speed 7) Speed 1-7; (AC unit, fan speed 3) 9: Low speed, 10: Mid speed, 11: High speed (For initial single fan speed parameter control, the mode is cool and temperature is 25°C by default.
1. Mapping Table for IDU Variables Command Type IDU Address Register Address n*8+40003 n*8+40004 Holding register Mode settings Fan speed setting Data Length 2bytes 2bytes IDUn Meaning 1: Fan, 2: Cool, 3: Heat, 4: Auto, 5: Dry (For initial single mode control parameter, the fan speed is low and temperature is 25°C by default. Note: When only this parameter is controlled, other parameters such as fan speed and temperature will be implemented based on the last modbus control parameters.
1. Mapping Table for IDU Variables Command Type IDU Address Single holding register Register Address 40506 40507 Variable Name On/Off Mode settings Data Length 2bytes 0: Off, 1: On (default is cool when unit is powered on with low fan speed and temperature of 25°C; after that, the implementation state will be based on the last power-on control parameters implemented by the modbus).
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2. Mapping Table for ODU Variables 2-2 Read Input Registers Command Type Read input registers Read input registers … 15 7 ODU Address ODU0 ODU1 Register Address Data Length Meaning 32001 2bytes Operation mode: 0 - Off, 1 - Cool, 2 - Heat, 3 - Forced cool 32002 2bytes Outdoor temperature (temperature range: -15°C ~ 80°C.
2. Mapping Table for ODU Variables Command Type Read input registers Read input registers ODU Address Register Address Data Length Meaning n*10+32001 2bytes Operation mode: 0 - Off, 1 - Cool, 2 - Heat, 3 - Forced cool n*10+32002 2bytes Outdoor temperature (temperature range: -15°C ~ 80°C.
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MD17U-020AW 16111200000197
