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②

  Protocol identifier [2 bytes]: used for multiplexer in the system, 0 at Modbus protocol. 

③

  Length [2 bytes]: length field is the number of bytes in the continuation field, including unit identifier and Data field. 

④

  Unit identifier [1 byte]: this field is used for router selection in the system. 

Send ADU of all Modbus TCP to the registered 502 port by TCP. 

For example: taking the communication address control bit 0x9C8E(40078) of the first indoor unit Mapping Table as 

example, refer to the Mapping Table for other indoor units as follows:   

Modbus TCP code: the first indoor unit running, write command format.   

MBAP message header 

Function code 

Data 

00 01 00 00 00 09 FF 

10 

9C 8E                            00 01                    02                  00 01 

Modbus device 

continuous write 

command 

Communication protocol start address      Number of write hold 
register    Bytes     Write value 

Modbus TCP code: Modbus adapter write response code. 

MBAP message header 

Function code 

Data 

00 01 00 00 00 06 FF 

10 

9C 8E 

00 01 

Modbus device 

continuous write 

command 

Communication protocol start 

address 

Number of successful write 

hold register 

Modbus TCP code: Modbus adapter write error response code. 

MBAP message header 

Function code 

Data 

00 01 00 00 00 03 FF 

90 

01 

Modbus device 

Function 

code+0x80 

 

Modbus TCP code: First indoor unit system Data 0x9C40 (40000), read command format. 

MBAP message header 

Function code 

Data 

00 01 00 00 00 06 FF 

03 

9C 40                                                        00 45                 

Modbus device 

continuous read 

command 

Communication protocol start address     Number of read hold 
register (69)     

Modbus TCP code: Modbus adapter read response code. 

MBAP message header 

Function code 

Data 

00 01 00 00 00 8D FF 

03 

8A          00 52 00 41 00 53 00 2D 00 32 00 30 00 30 00 46 00 53 00 
44 00 4E 00 59 00 32 00 51 00 20 00 08 00 EF… 

Modbus device 

continuous read 

command 

Number of read bytes Successfully read Data (69 register 
Data,138bytes)  

Modbus TCP code: Modbus adapter read error response code. 

MBAP message header 

Function code 

Data 

00 01 00 00 00 03 FF 

83 

01 

Modbus device 

Function 

code+0x80 

 

 
 

Note

 

 

●

 When using Modbus TCP, if there’s no terminal resistance on the H-NET communication bus, please set 

bit1 of DSW3 as ON, connect to terminal resistance, bit1 of DSW3 is defaulted as OFF. 

4 Air Conditioner Monitoring 

Содержание HCPC-H2M1C

Страница 1: ...ange LAN WEB Login Password 26 3 1 4 Change Wireless WEB Login Password 26 3 1 5 One Key to Clear EEPROM 27 3 1 6 Remote Server IP Address Setting 27 3 1 7 Subnet Mask Setting 28 3 1 8 Gateway IP Sett...

Страница 2: ...1...

Страница 3: ...rofessional and general users Help you operate more easily Reference page Symbol Meaning Installation Electrical Construction Please entrust the dealer or professional installation personnel for the i...

Страница 4: ...rts encounter water Do not change electrical wiring Otherwise it may cause major accidents In repair and maintenance please use solid ladder Otherwise it may overturn and cause injury Warning Warning...

Страница 5: ...high temperature and cause fire or electric shock The wiring connection should be reliable If the connection is loose the wire gets hot and causes fire or electric shock Attention Turn off the power s...

Страница 6: ...de service of changing the product to other use Without permission no part of this manual shall be copied If you have any question please contact the service center designated by the company Arrival i...

Страница 7: ...rd format protocol for PC s secondary development and monitoring It s more convenient to achieve docking with the third party system The product also has the following functions Can concentrate to con...

Страница 8: ...nection Modbus green no BACnet Flash when using Modbus TCP for communication RS 485 green Flash when using Modbus RTU for communication Screw M3 for fix the top cover Figure 1 2 Name of each part 1 Co...

Страница 9: ...SW7 LED light post 6 Screw hole to fix on the wall 4 remove the rubber feet Use M3 screw to fix DSW2 DSW3 Figure 1 4 Name of parts in the Modbus adapter The default slide switch setting state shown in...

Страница 10: ...ode Half duplex communication Concurrent mode Asynchronous communication Communication speed 9600bps Wiring distance Total length below 1000m Number of air conditioners to be connected The largest out...

Страница 11: ...n Concurrent mode Asynchronous communication Communication speed 9600bps Wiring distance Within 1000m Table 1 5 External input and external output communication specifications Items Specifications Ext...

Страница 12: ...setting method Switch content and setting method 5 Power input Matters to confirm 2 1 Installation place Please select a place which meets the following conditions for installation 1 The place where...

Страница 13: ...Modbus BACnet H NET RUN POWER Figure 2 2 Installation direction 2 Remove 4 rubber feet 3 Loosen 4pcs screws which fix the top cover remove top cover as shown in Figure 2 3 2 4 4 Use M3 screw to fix o...

Страница 14: ...00V power supply voltage there s obligation to do D class grounding construction grounding resistance below 100 when used above 300V low voltage circuit there s obligation to do C class grounding cons...

Страница 15: ...12V or MINI USB input 2 5 6 Modbus RTU External input and output Figure 2 6 Wiring Method Table 2 1 Installation process Sequence Wiring type Specifications Wiring length Cable specification Power sup...

Страница 16: ...t of Modbus adapter as shown in left figure Or use MINI USB 5V Insert MINI USB cable to the USB port of Modbus adapter as shown in left figure The other end of USB use 5V power supply Ground wire Comm...

Страница 17: ...indoor unit of system NO 0 3 Output 1 OUTPUT1 Code switch SW11 bit1 is ON Running signal 4 Output 2 OUTPUT2 Code switch SW11 bit2 is ON Alarm signal Connection example Figure 2 6 Example of using Inpu...

Страница 18: ...do not change bit8 OFF None OFF Please do not change DSW3 H NET bit1 ON H NET circuit terminal resistance 75 is available OFF H NET circuit terminal resistance 75 is not available OFF When terminal re...

Страница 19: ...oner when the product enters normal running air conditioner RUN light flashes in 1Hz See lights status and light content at normal control normal and abnormal shown in below Table 2 5 Table 2 5 Lighti...

Страница 20: ...mal communication among indoor units when the indoor unit is running Please confirm the H NET wiring connection i e 64 This product abnormal communication among outdoor units when all the indoor unit...

Страница 21: ...er installation are completed and the power supply is connected 3 1 Configuration of Modbus Adapter Set up the product so that it can communicate with PC 3 1 1 IP Address Setting Modbus adapter networ...

Страница 22: ...r for management connects with the product one by one the address of the product is still initial setting 192 168 1 90 it can connect if the IP address setting of computer for management is with the s...

Страница 23: ...e 4 As above 5 Finally press Select key SW7 to confirm after set press Eject Switch key SW6 to exit The display content will disappear automatically if no action within 30s 6 Factory reset of the IP s...

Страница 24: ...IP address for the client automatically as shown in Figure 3 4 Figure 3 4 Automatically obtain an IP address Use computer to search for WIFI signal Modbus_AP establish connection the default password...

Страница 25: ...the password correctly After successfully set the WIFI password it will automatically disconnect WIFI please connect Modbus_AP again open Network and sharing center because general computer has the f...

Страница 26: ...re 3 9 Manage wireless network Select Modbus_AP right click Property with the mouse Enter the changed password as shown in Figure 3 10 Figure 3 10 Enter new password window After entered new password...

Страница 27: ...t Switch key SW6 to exit Press SW7 so that the number of clock becomes editable flashing in 1Hz 1 In menu press Select key SW7 so that the default clock flashes and becomes editable Press Eject Switch...

Страница 28: ...the time of Modbus adapter 3 1 3 Change LAN WEB Login Password Refer to the login interface in Figure 3 3 click LAN Password it will display the LAN WEB login password change interface as shown in Fi...

Страница 29: ...address is the IP address when considered Modbus as client computer for management and host computer as server based on above operation please set this IP address with the same IP address as computer...

Страница 30: ...re 3 3 and enter click Network Setting and enter IP setting interface Directly set subnet mask LAN Net Mask You can also spot check and set the subnet mask through key digital tube Press SW6 SW7 key a...

Страница 31: ...mode as shown in below Table 3 7 Table 3 7 Set gateway IP address with key NO Press Up SW5 or Down SW8 until it displays dG In dG Menu press Select key SW7 and confirm to enter gateway IP setting mod...

Страница 32: ...shown in Table 3 8 Table 3 8 Air conditioner operating state Prompt sys 2 refers to No 2 refrigerant system addr 1 refers to No 1 address outAddr 1 refers to outdoor unit No 1 address error code 0x21...

Страница 33: ...C menu EHAd Table 3 9 Check or set MAC address with key NO Press Up SW5 or Down SW8 until it displays EHAd In EHAd Menu press Select key SW7 and confirm to enter MAC setting mode After set press Eject...

Страница 34: ...end fd bind fd n fd socket Figure 4 1 Modbus TCP Receiving and Sending Mechanism Modbus function code as shown in 4 1 Table 4 1 Function code Function code Name of function Function 0x03 Read hold reg...

Страница 35: ...dbus RTU code Modbus adapter write error response code Additional address Function code Data CRC CHECK 32 90 01 7D CF Modbus device Function code 0x80 Modbus RTU code the first indoor unit system Data...

Страница 36: ...ional address into factory default value same operation as reset default IP address please refer to Table 3 2 Set IP address No 6 When using Modbus RTU firstly need to configure it please refer to Tab...

Страница 37: ...protocol start address Number of successful write hold register Modbus TCP code Modbus adapter write error response code MBAP message header Function code Data 00 01 00 00 00 03 FF 90 01 Modbus devic...

Страница 38: ...ough Mapping Table For example explain with the first indoor unit communication protocol address operate 40083 address refer to the Mapping Table for others as follows Modbus RTU 32 10 9C 93 00 01 02...

Страница 39: ...Mapping Table for others operation of making function selection B2 1 is as follows Modbus RTU 32 10 9C 70 00 14 28 00 20 00 00 00 00 00 80 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 00 00 00 00 00 0...

Страница 40: ...ress of main indoor unit is the smallest one others are slave indoor units Wire controller prohibition includes all prohibition and partial prohibition Wire controller switch on off prohibition taking...

Страница 41: ...7 00 01 02 00 01 67 8F Wire controller fan speed clear prohibited 32 10 9C 97 00 01 02 00 00 A6 4F Modbus TCP Wire controller fan speed prohibited 00 01 00 00 00 09 FF 10 9C 97 00 01 02 00 01 Wire con...

Страница 42: ...connection confirmation Taking Mapping Table communication address as example operate 1000 address refer to Mapping Table for others as follows Modbus RTU Read the connection state of 64 outdoor units...

Страница 43: ...by Modbus before sending next control command If do not take this as your control method please set the internal between two control command to be more than 500ms Though outdoor unit indoor unit conn...

Страница 44: ...nd other information in the air conditioner group the digital tube will flash and display alarm code at this time you can turn off the digital tube display to achieve the purpose of energy saving You...

Страница 45: ...on Please power on all the connected air conditioners Does H NET wiring use the designated specification cable Please use cable with cross sectional area greater than 0 75mm2 and total length within 1...

Страница 46: ...firm whether the wiring connection is normal Does the RS 485 light remain on In the circumstance that there s no abnormal on the computer for management RS 485 wiring including connection then it may...

Страница 47: ...lationship Is the POWER light on does the RUN light flash Have the state indicating lights H NET Modbus WIFI RS 485 been off Is the 7 segment digital tube often in off state 3 Installation and connect...

Страница 48: ...nds when login the wire controller group the product will automatically choose one indoor unit as the host the benchmark is to select indoor unit with smaller refrigerant system number and address num...

Страница 49: ...controller is installed and wire controller prohibition function is not set but it shows centralized control on the wire controller which leads to that the wire controller cannot be controlled please...

Страница 50: ...Modbus RTU After installation the interface is as shown in Figure 7 1 Modbus RTU connection interface as shown in Figure 7 2 Modbus TCP connection interface as shown in Figure 7 3 Figure 7 1 Modbus po...

Страница 51: ...18 19 20 21 22 23 24 25 26 27 28 29 30 31 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Please record in the table the situation of indoor units which are marke...

Страница 52: ...8 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Please record in the table the situation of indoor units which are...

Страница 53: ...20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Please record in the table the situation of indoor units which are...

Страница 54: ...50 51 52 53 54 55 56 57 58 59 60 61 62 63 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Please record in the table the situation of indoor units which...

Страница 55: ...53 1 Centralized Control Area Unit Group Note Registration Form 1 System No Address No Note room number etc System No Address No Note room number etc...

Страница 56: ...54 2 Centralized Control Area Unit Group Note Registration Form 2 System No Address No Note room number etc System No Address No Note room number etc...

Страница 57: ...55 3 Centralized Control Area Unit Group Note Registration Form 3 System No Address No Note room number etc System No Address No Note room number etc...

Страница 58: ...56 4 Centralized Control Area Unit Group Note Registration Form 4 System No Address No Note room number etc System No Address No Note room number etc...

Страница 59: ...57...

Страница 60: ...58...

Страница 61: ...icate Attached in the installation instruction manual Accessory list Attached in the installation instruction manual Hisense Corporation Add 17 Donghai Xi Road Qingdao 266071 China P00862Q 2015 11 V01...

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