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MODBUS PROTOCOL
MONOBLOC LOGIK
Serie
UE MONOBLOC LOGIK I - LOGIK II
Edition
03/24
Models
AOWD-MB LOGIK-14K- AOWD-MB LOGIK-14K2
AOWD-MB LOGIK-18K- AOWD-MB LOGIK-18K2
AOWD-MB LOGIK-28K- AOWD-MB LOGIK-28K2
AOWD-MB LOGIK-36K- AOWD-MB LOGIK-36K2
AOWD-MB LOGIK-40K- AOWD-MB LOGIK-40K2
AOWD-MB LOGIK-45K- AOWD-MB LOGIK-45K2
AOWD-MB LOGIK-54K- AOWD-MB LOGIK-54K2
AOWD-MB LOGIK-28TK- AOWD-MB LOGIK-28TK2
AOWD-MB LOGIK-36TK- AOWD-MB LOGIK-36TK2
AOWD-MB LOGIK-40TK- AOWD-MB LOGIK-40TK2
AOWD-MB LOGIK-45TK- AOWD-MB LOGIK-45TK2
AOWD-MB LOGIK-54TK- AOWD-MB LOGIK-54TK2
SERVICE MANUAL
USER MANUAL
(V2.2)
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Table of Contents
Related Manuals for Daitsu MONOBLOC LOGIK I Series
Summary of Contents for Daitsu MONOBLOC LOGIK I Series
- Page 1 SERVICE MANUAL USER MANUAL MODBUS PROTOCOL (V2.2) MONOBLOC LOGIK Serie UE MONOBLOC LOGIK I - LOGIK II Edition 03/24 Models AOWD-MB LOGIK-14K- AOWD-MB LOGIK-14K2 AOWD-MB LOGIK-18K- AOWD-MB LOGIK-18K2 AOWD-MB LOGIK-28K- AOWD-MB LOGIK-28K2 AOWD-MB LOGIK-36K- AOWD-MB LOGIK-36K2 AOWD-MB LOGIK-40K- AOWD-MB LOGIK-40K2 AOWD-MB LOGIK-45K- AOWD-MB LOGIK-45K2 AOWD-MB LOGIK-54K- AOWD-MB LOGIK-54K2 AOWD-MB LOGIK-28TK- AOWD-MB LOGIK-28TK2...
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Page 2: Table Of Contents
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater CONTENTS Preface................................3 Terms and Definitions..........................3 Brief Introduction to the BMS System..................... 4 Network Topology............................. 4 General.............................4 3.2 Topological Structure........................... 5 3.2.1 Topological Strcutre (＜255).....................5 3.2.2 Topological Strucuture (＞255)....................5 MODBUS Protocol Format........................ -
Page 3: Preface
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Preface This protocol specifies the communication format and also the data format for the Modbus communication of the Verstali heat pump water heater. This protocol is applicable to the Verstali heat pump water heater. Terms and Definitions 1) Modbus Communication Modbus protocol is such a protocol used for industrial communication and distributed control system. -
Page 4: Brief Introduction To The Bms System
The interface RS485 of Modbus communication protocol, provided by the long-distance monitoring system, can be directly connected with the BMS system or Daitsu long-distance monitoring system, that is, control up to 255 units and display their running status at the same time. The control function of the BMS system is equal to that of the long-distance monitoring system. -
Page 5: Topological Structure
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater 3.2 Topological Structure 3.2.1 Topological Strcutre (＜255) Figure 1: Topological Strucure (＜255) 3.2.2 Topological Strucuture (＞255) Figure 2: Topological Structure (255) MODBUS Protocol Format General Modbus actually has become the industrial communication standard because it is not only fully opened and used widely but also simple and can be debugged flexibly. - Page 6 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Check Bit：None Stop Bit：1 3） Hardware interface of Wired Controller： Interface Specifications Instructions Interfaces Two-wire communication To be integrated into 1——A communication line, Class twisted the BMS system 2——B interface pairs,...
- Page 7 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Step 2: press “Next” (the 1st from the right side) to go to the page where “Address” is. Step 3: Select the option “Address”, and then go to the setting page.
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Page 8: Universal Communication Frame Format Of Modbus Under Rtu Mode
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Step 3:After that, press “ ” or “ ” to increase or decrease the “Address” value. Step 4:Press “OK”to save the value. Note: the “Address” can’t be 0 or 126. When the setting is finished, the address in the control command sent by the BMS software should be same as this setting value by the controller. -
Page 9: Register (Word, 16 Bit)
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater 5） The bit count which the master unit can read or transmit is less than Byte×8. The ineffective data bit of the last byte should be cleared when transmit or read the effective data of the communication frame. For instance, when nine “1” bits are read or transmitted, then two bytes are need, “1111 1111”... -
Page 10: Read Multiple Registers
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Table 7: Response Frame Device Add. Function Code Starting Add. Data Size 1 Byte 1 Byte 2 Bytes 2 Bytes 2 Bytes Note: The response frame has the same device address, function code, starting address and data size as the request frame. -
Page 11: Communication Protocol For The Versati Heat Pump Water Heater
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater an alarm response is replied. Function Code: Set the highest-order bit to “1”, which is value figured out through the OR operation of the request frame’s function code and 0x80. Communication Format of the Response Frame Table12: Alarm Response Frame Device Add. -
Page 12: Valid Data For Modbus Communication
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater deactivated, “Floor Debug Sections”, “First Floor Debug Section Temp”, ‘Each Floor Debug Section Temp” or “Each Floor Debug Section Interval” settings are effective, or the monitoring software is suggested to tell this operation is invalid. ★(5): Disinfection: please read the Installation and Operation Instructions of the Wired Controller of the Versati heat pump water heater for details about the “Disinfection”... - Page 13 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Actual value: 7~25℃/ 5~25℃[Second generation monobloc] Unsigned WOT-Cool Default： 1℃ Integer 18℃/18℃[Second generation monobloc] Word Transmission value＝Actual value Actual value: 20~60℃ [High-temp] / 20~55℃[low-temp]/ 20~65℃ [Second generation monobloc] Word Default：...
- Page 14 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Unsigned Integer Actual value: 18～21℃， Lower RT-Heat 1℃ Default: 18℃ Transmission value ＝ Actual Word value Actual value: Unsigned Integer 20～60℃[High-temp]/ 20～55℃[Low-temp] Default: Upper WT-Heat 1℃ 55℃[High-temp]/55℃ [Low-temp] Word Transmission value ＝...
- Page 15 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater ONE/Second generation monobloc] Default :5℃ Transmission value ＝ Actual value Actual value:1～5℃， Default :2℃ Unsigned △T-Room temp Integer Word Transmission value＝Actual 1℃ value Word Word Actual value:1～3 Default :1 Unsigned Other thermal logic Integer...
- Page 16 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Integer 1.2～16.1Kw[Single]/ 3.5~17.3Kw[Three phase] Default : 3.0Kw[Single 4/6Kw]/ 6.2Kw[Single 8/10Kw]/ 7.6Kw[Single 12/14/16Kw]/ 9.0Kw[Three phase] Transmission value＝Actual value * 10 Word 0: Does not clear fault Unsigned Error reset 1: Clear fault Integer 0:Off Unsigned...
- Page 17 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater frequency at the Quiet Default :/ Integer mode for heat and hot Transmission value ＝ Actual water value Unsigned Actual value:35～120Hz Compressor operating Integer Default :/ frequency at the Quiet Transmission value ＝...
- Page 18 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater value Actual value:65～85 Hz Running Frequency Setting Default :75Hz Unsigned for cool Integer Word Transmission value ＝ Actual value Actual value:65～85 Hz Running Frequency Setting Default :75Hz Unsigned for heat Integer Transmission value ＝...
- Page 19 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved Word Reserved...
- Page 20 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater 08: Off/ Default: / Transmission value ＝ Actual value Integer Actual value: -30～150℃ 0.1℃ Default: / T-outdoor Word Transmission value ＝ Actual value*10 Integer Actual value: -30～150℃ 0.1℃ Default: / T-discharge Word Transmission value ＝...
- Page 21 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater value*10 Actual value: Unsigned 1: Cool/ Integer 2: Heat/ Thermostat 3: Off Default: / Transmission value ＝ Actual Word value Actual value: actual calculated Unsigned 1℃ value Integer Default: / T-floor debug Word Transmission value ＝...
- Page 22 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Default: Off Transmission value=Actual value Actual value: Unsigned ZF63011MJ 0: Off/ Integer EVU signal 1: On ZF2011EJV1 Word Default: Off Transmission value=Actual value Actual value: Unsigned ZF63011MJ 0: No/ Integer 1: Yes ZF2011EJV1...
- Page 23 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater value*100 Actual value: 0～655.35 kWh 0.01kW Unsigned Integer Power consumption Jul. Default: / ZF63011MJ (high) Word Transmission value ＝ Actual value*100 Actual value: 0～655.35 kWh 0.01kW Unsigned Integer Power consumption Jul. Default: / ZF63011MJ (low)
- Page 24 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Actual value: actual calculated Unsigned value Integer ZF2011EJV1 Default: / Fan frequency Transmission value ＝ Actual Word value Actual value: actual calculated Unsigned M³/h value Integer ZF2011EJV1 Default: / Water flow Word Transmission value ＝...
- Page 25 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater 0: Off/1: On State Variable Outdoor Holiday Mode Bit 34 Unit 0: Off/1: On State Variable Refri. recovery Bit 35 0: Off/1: On Manual defrost State Variable Bit 36 0: Off/1: On Cool 2-Way valve State Variable...
- Page 26 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Reserved Bit 75 Reserved Bit 76 Reserved Bit 77 Reserved Bit 78 Reserved Bit 79 State Variable Compressor State 1: On; 0: Off Bit 80 1: On; 0: Off State Variable ODU Fan State Bit 81...
- Page 27 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Reserved Bit 119 Reserved Bit 120 Reserved Bit 121 Reserved Bit 122 Reserved Byte Bit 123 Reserved Bit 124 Reserved Bit 125 Reserved Bit 126 Reserved Bit 127 DC Bus Low-voltage or Voltage Error 1: Error;...
- Page 28 Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Refrigerant Vapor Line Temp 1: Error; 0:Normal Error Bit 158 Sensor Error Error Reserved Bit 159 Remote Room Temp Sensor 1: Error; 0:Normal Error Bit 160 Error Error Reserved Bit 161 Reserved Bit 162...
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Page 29: Precautions Befor The Use
Modbus Protocol (V2.2) for the AOWD-MB LOGIK Heat Pump Water Heater Precautions befor the Use 1) Make sure the proper adapter is used; or normal communication would fail. 2) Reinforce the stability of the communication cord through soldering and insulate it with the insulating tape to prevent oxidation and short circuit. - Page 30 Eurofred S.A. Marqués de Sentmenat 97 08029 Barcelona www.eurofred.es...
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