Page 1: Table Of Contents
3.1.7 Subnet Mask Setting………………………… 28 3.1.8 Gateway IP Setting …………………………… 29 3.2 SD Card Data Storage……………….….………… 30 Thank you for choosing Hisense 3.3 External Input and Output Linkage Function……… 30 3.4 Single Board Constant Speed Machine Login…..… 31 commercial air conditioner! 3 .
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Page 3: Preface·important Safety Information
Preface ● When using medical devices and other devices which produce ● The product is Modbus adapter for air conditioner. electromagnetic wave, in order to prevent malfunction of the air ● Do not install this product in the following places where are easy to lead to conditioner, do not make the emission surface of the electromagnetic failure of the Modbus adapter.
Page 4 Important Safety Information (Continued） Repair and move ● When this product is repaired and moved, please consult the dealer or service center designated by the company. Warning ● Improper repair and installation may cause electric shock, fire and other accidents. Other warnings and attention ●...
Page 5 Important Safety Information (Continued） Installation ● This product supports sit and hang type installation, be sure to check whether four rubber feet is installed firmly for sit type installation. ● Please install and use strictly according to this manual. Improper installation may damage the product. Warning ●...
Page 6 Important Safety Information (Continued） ● The company is committed to the improvement of the products constantly, it may subject to change without Attention notice. ● This product is only used for conversion between the air conditioner network and control network. ●...
Page 7: System Constitution
Figure 1.1 The product system constitution case This product is Modbus adapter of Hisense air conditioner. Use Modbus TCP as the main body, compatible with Modbus RTU protocol, and convert the communication protocol of the company’s air conditioner into Modbus standard format protocol for PC’s secondary development and monitoring.
Page 8 1 System Constitution 1.2 Name of Each Part See the name of each parts of the product shown in Figure 1.2, 1.3. Modbus (green), no BACnet. Flash when Screw (M3) for fix the top cover using Modbus TCP for communication WIFI (green) POWER (red) Flash when using WIFI for connection...
Page 9 1 System Constitution 1.3 Name of Parts in the Modbus Adapter See the state of removed top panel in Figure 1.4. See the name and functions in below figure. Slide switch for air conditioner circuit Screw hole to fix on the wall （× 4 ） , setting terminal resistance （...
Page 10 1 System Constitution 1.4 Modbus Adapter Specifications See Table 1.1 for the hardware specifications; Table 1.2, 1.3, 1.4, 1.5 for the communication specifications. Table 1.1 Hardware specifications Items Specifications Power supply 12VDC power adapter input or 5VDC MINI USB input Consumption power Below 12W Environment temperature: 0~40℃...
Page 11 1 System Constitution Table 1.4 RS-485(Modbus RTU) communication specifications Items Specifications Communication object Computer used for management, PLC Communication wiring Shielded twisted pair, Distinguish A/B port Communication mode Half duplex communication Concurrent mode Asynchronous communication Communication speed 9600bps Wiring distance Within 1000m Table 1.5 External input and external output communication specifications Items...
Page 12: Installation Place
2 Installation construction This chapter describes the installation method from installing the product to power input. See Table 2.1 showing the process from installation to power input. Table 2.1 Installation Process Sequence Item Content to confirm Select installation place Notes and attention in respect of setting Installation method Installation methods and attentions Wiring connection method...
Page 13 2 Installation construction (b) Vertical (wall hang) installation (1) For vertical (wall hang) installation, note the connector side is top side, as shown in Figure 2.2. Connector side up POWER H-NET Modbus/BACnet WIFI RS-485 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.
Page 14: Wiring Connection Method
2 Installation construction Use M3 screws to fix on the wall DSW3 DSW2 LED9 LED8 LED7 SEG1 SEG2 LED10 LED5 LED6 140mm SW11 SW12 180mm Figure 2.5 Position and size of the screw holes 2.3 Wiring connection method Please read carefully before construction. ●...
Page 15 2 Installation construction 2.3.1 Wiring Method (1) This product should connect to power supply wiring (adapter), communication line with air conditioner (H-NET), communication line with computer for management (Modbus TCP) If using RS-485 loop (Modbus RTU), need to connect with RS-485 special communication line. If using USB for power supply, please use MINI USB communication line for power supply.
Page 16 2 Installation construction 2.3.2 About Wiring Connection (1) For wiring connection, please ensure to cut off the main power supply and the power supply of surrounding machine. (2) Please connect to each wiring according to Table 2.2, the [sequence] column in the table shall be corresponding to the [sequence] in Table 2.1.
Page 17 2 Installation construction Table 2.2 Installation process (continue) INPUT · DC5V input, refer to Table External equipment ⑥ 2.3 External input and (INPUT) output table. Communication · DC12V output, refer to OUTPUT line Table 2.3 External input and output table. External equipment ·...
Page 18: Slide Switch Setting Method
2 Installation construction 2.4 Slide Switch Setting Method Table 2.4 Slide Switch Setting Table Slide switch Purpose Factory setting Remark bit1 OFF : None Please do not change. bit2 OFF : None Please do not change. bit3 ON : MCU normal operation Please do not change.
Page 19: Power Supply Input
2 Installation construction Please change the slide switch setting before input power supply. The slide switch setting table of this product is shown in Table 2.4. In addition, according to the using situation on the spot, sometimes it may need to change factory setting. 2.5 Power Supply Input When setting the slide switch, please refer to the following procedures.
Page 20 2 Installation construction See the digital tube display in normal control (normal) and alarm and display content as shown in Table 2.6. Table 2.6 Lighting condition table of each light Lighting · display Lighting off ·display State Display content of 7 segment digital tube condition cancel condition i.e.:...
Page 21: Configuration Of Modbus Adapter
3 Configuration of Modbus Adapter Notes and attentions of using ● At the start of air conditioner season, all the indoor units must be test run, and confirm whether the product is correctly running on the next day. ● The computer for management shall be used as the special computer for this system. ●...
Page 22 3 Configuration of Modbus Adapter Change IP address method 1 Change the initial setting of the product’s IP address. When using new setting, as shown in below table, temporarily connect the computer for management and the product in one to one by LAN (Modbus TCP). The network initial value of Modbus adapter is as shown in Table 3.1.
Page 23 3 Configuration of Modbus Adapter The other options shown in above figure have nothing to do with the IP address setting, please do not change it, or it may cause consequences that cannot return! ● If you want to test the IP setting result or set the IP address again, enter the setting interface after entering the new IP address in the browser address bar, otherwise unable to login.
Page 24 3 Configuration of Modbus Adapter Change IP address method 3 You can log in the WEB server of the WIFI module to configure the network information. The factory default setting of WIFI IP address of the Modbus adapter is: 192.168.1.1, use computer for management or smart devices which can connect to WIFI to establish connection with the Modbus adapter.
Page 25 3 Configuration of Modbus Adapter Figure 3.6 Cable IP address configuration page Figure 3.7 WIFI login password change page When changing the password, if the password change doesn’t meet the requirement, please note the reason of wrong password change at the time of submission so as to judge how to change the password correctly. After successfully set the WIFI password, it will automatically disconnect WIFI, please connect “Modbus_AP”...
Page 26 3 Configuration of Modbus Adapter Click “Manage wireless network”. As shown in Figure 3.9. Figure 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, click Ok to reconnect WIFI.
Page 27: Clock Setting
3 Configuration of Modbus Adapter 3.1.2 Clock setting Change clock method 1 You can spot check and set real time clock through key + digital tube. Press and hold SW6+SW7 key at the same time for 3s and enter setting mode, as shown in below Table 3.3, current spot checked time is 18:15:28s, 17 Oct., 2015.
Page 28: Change Lan Web Login Password
3 Configuration of Modbus Adapter Change clock method 2 You can set clock and spot check real time clock through LAN WEB server in 3.1.1. Refer to the log in interface in Figure 3.3, click <Datetime Checking>, it will display the clock setting interface as shown in Figure 3.11.
Page 29: One Key To Clear Eeprom
3 Configuration of Modbus Adapter 3.1.5 One Key to Clear EEPROM Refer to Table 3.4 content for one key to clear EEPROM operation, after cleared, the product will automatically turn to the indoor unit ·outdoor unit handshaking stage, RUN light is constantly on, until RUN light turns to flash the product will enter normal control stage and control the indoor unit.
Page 30: Subnet Mask Setting
3 Configuration of Modbus Adapter Table 3.5 Set remote server IP address and port number with key (continue) ·As above. ·As above. ·Press Up (SW5) or Down (SW8) until it displays “SP.”. ·In “SP.” Menu, press Select key (SW7) and confirm to enter remote server port setting mode.
Page 31: Gateway Ip Setting
3 Configuration of Modbus Adapter Table 3.6 Set subnet mask with key (continue) ·As above. ·As above. ·Finally press select key (SW7) to confirm, after setting, press Eject/Switch key (SW6) to exit. ·The display content will automatically disappear if no further action within 30 s. 3.1.8 Gateway IP Setting Refer to the login interface in Figure 3.3 and enter, click <Network Setting>...
Page 32: Sd Card Data Storage
3 Configuration of Modbus Adapter 3.2 SD Card Data Storage The product does not provide SD card, please buy it by yourself, before installing SD card, please format the SD card, the format document system must be FAT32 format, support 32G SD card in maximum. Format operation as shown in Figure 3.14, click “Start”, then click “Ok”...
Page 33: Single Board Constant Speed Machine Login
3 Configuration of Modbus Adapter 3.4 Single Board Constant Speed Machine Login If connect single board constant speed machine on the communication bus, please turn bit3 of the slide switch SW11to ON before power on, otherwise, no single board constant speed machine can be connected in the whole system. Please refer to <2.4 Slide Switch Setting Method>...
Page 34: Modbus Code Composition And Analysis
4 Air Conditioner Monitoring 4.1 Modbus Code Composition and Analysis Modbus adapter can be used as client, also can be used as server as shown in Figure 4.1 Modbus TCP receiving mechanism. fd1=socket() fd=socket() bind(fd1,n) bind(fd,n) SYN J connect(fd,server,502) listen(fd1) SYK,ACK J+1 ACK K+1 send(fd)
Page 35 4 Air Conditioner Monitoring Maximum RS-485 ADU = 256 bytes, limit the length of Modbus PDU, so for serial link communication, Modbus PDU = 256-additional address (1 byte)-CRC(2 bytes) = 253 bytes. Thus RS-485 ADU = (253 bytes) + additional address (1 byte) + CRC (2 bytes) = 256 bytes.
Page 36: Modbus Tcp Code Composition
4 Air Conditioner Monitoring In the head code of Modus RTU, Additional address is defaulted as 0x32, which can be changed by keys, the change method is as shown in Table 4.2. Press the SW6+SW7 key for 3s and enter the setting mode. Table 4.2 Modbus RTU additional address setting ·Press Up (SW5) or Down (SW8) until it displays “485.”.
Page 37 4 Air Conditioner Monitoring 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...
Page 38: Control Bit Setting
4 Air Conditioner Monitoring 4.2 Control Bit Setting We can see from the Mapping Table that the basic control bit of indoor unit are: taking the first indoor unit as example, run stop (40078), operation mode setting (40079), fan speed setting (40080), swing louver position setting (40081), temperature setting (40082).
Page 39: Function Selection Setting
4 Air Conditioner Monitoring 4.4 Function Selection Setting When changing the function, please read the function select bit once, each indoor unit has 20 communication address function selection bytes, explain with the first indoor unit communication protocol, firstly read 20 addresses of 40048 address as follows: Modbus RTU: 32 03 9C 70 00 14 6F 8D...
Page 40: Wire Controller All Prohibition Setting
4 Air Conditioner Monitoring 4.5 Wire Controller All Prohibition Setting Taking the Mapping Table communication address of the first indoor unit as example, operate 40084 address, refer to the Mapping Table for others, as follows: Modbus RTU: Wire controller all prohibited: 32 10 9C 94 00 01 02 00 01 67 BC Wire controller clear all prohibited: 32 10 9C 94 00 01 02 00 02 27 BD Modbus TCP: Wire controller all prohibited: 00 01 00 00 00 09 FF 10 9C 94 00 01 02 00 01...
Page 41 4 Air Conditioner Monitoring Wire controller fan speed prohibition, taking the point table communication address of the first indoor unit as example, operate 40087 address, refer to the Mapping Table for others, as follows: Modbus RTU: Wire controller fan speed prohibited: 32 10 9C 97 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...
Page 42: Do Not Install Wire Controller Setting
4 Air Conditioner Monitoring 4.7 Do Not Install Wire Controller Setting The indoor unit which is not installed with wire controller has no information of remote control group, default situation is switch off, air supply, high fan, first segment of swing louver, 28℃. ●...
Page 43: Indoor Unit Data Monitoring
4 Air Conditioner Monitoring ② Indoor unit connection confirmation Taking Mapping Table communication address as example, operate 1064 address, refer to Mapping Table for others, as follows: Modbus RTU: Read the connection state of indoor units in No. 0 refrigerant system: 32 03 04 28 00 08 C0 F7 Modbus TCP: Read the connection state of indoor units in No.
Page 44: Batch Processing Command Description
4 Air Conditioner Monitoring 4.11 Batch Processing Command Description 4000～4017 of Mapping Table communication address is batch processing command address stage, can be controlled in batch, also can control the air conditioner indoor units by a single system. Taking Mapping Table communication address 4000 as example, operate its address, refer to Mapping Table for others, as follows: Set No.
Page 45: Maintenance · After-Sales Services ·Notes And Attentions
5 Maintenance · After-sales Services Abnormal Handling Method See the handling method of abnormal shown in the following table for details. Please note to turn off the main power supply before the maintenance work. Table 5.1 Abnormal Handling Method Problem Content to check Solution Check whether the product is connected to the power...
Page 46 5 Maintenance · After-sales Services Table 5.1 Abnormal Handling Method (continue) Problem Content to check Solution Is LAN wiring used with the specification? Please use LAN cable above class 5, less than 100m. Is there any abnormal for the LAN wiring (broken, short Replace with normal one.
Page 47 5 Maintenance · After-sales Services Regular Check To ensure the normal operation of the air conditioning system including this system, please regularly check the following content. (1) Surrounding environment ● Is the product temperature changed very high? ● Does the surface temperature of the product power adapter become very high? ●...
Page 48 6 Notes and Attentions 1. Notes and attentions of control state checking The control bit of switch on/off, operation mode setting, fan speed setting, swing louver setting, temperature setting, filter reset setting is defaulted as 255, it will return to 255 after successfully sent control commands. At this time if you want to check the running state of indoor unit, please refer to 4.10 indoor unit data monitoring to check whether it runs as per control command, if wire controller all prohibited, or wire controller partial prohibited command setting, you can check its corresponding Mapping Table position.
Page 49 6 Notes and Attentions 8. Notes and attentions of function selection setting To carry out function selection setting of indoor unit, the indoor unit must be stopped, if not, sometimes the setting cannot be correctly applied. The setting content will be different due to different functions of each unit, please refer to indoor unit installation spot checking method for detailed information.
Page 50: Recommend Upper Computer Tool
7 Recommend upper computer Tool It is recommended to use Modbus Poll tool for debugging, this tool can be connected with Modbus TCP, but also be connected with 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.
Page 51: Centralized Control Area Unit Group Registration Form
集中控制区域·机组登记表（1） Centralized Control Area · Unit Group Registration Form (1) ※请在表中记录区域中标记连线的室内机情况，按系统号+地址号从小到大依次排列出来。 ※Please record in the table the situation of indoor units which are marked to be connected in the area, list in turn from small to large according to the system number + address number. - 49 -...
Page 52 集中控制区域·机组登记表（2） Centralized Control Area · Unit Group Registration Form (2) ※请在表中记录区域中标记连线的室内机情况，按系统号+地址号从小到大依次排列出来。 ※Please record in the table the situation of indoor units which are marked to be connected in the area, list in turn from small to large according to the system number + address number. - 50 -...
Page 53 集中控制区域·机组登记表（3） Centralized Control Area · Unit Group Registration Form (3) ※请在表中记录区域中标记连线的室内机情况，按系统号+地址号从小到大依次排列出来。 ※Please record in the table the situation of indoor units which are marked to be connected in the area, list in turn from small to large according to the system number + address number. - 51 -...
Page 54 集中控制区域·机组登记表（4） Centralized Control Area · Unit Group Registration Form (4) ※请在表中记录区域中标记连线的室内机情况，按系统号+地址号从小到大依次排列出来。 ※Please record in the table the situation of indoor units which are marked to be connected in the area, list in turn from small to large according to the system number + address number. - 52 -...
Page 55 集中控制区域·机组·备注登记表（1） Centralized Control Area ·Unit Group· Note Registration Form (1) 系统号地址号备注（房间名等）系统号地址号备注（房间名等） System No Address No Note (room number, etc.) System No Address No Note (room number, etc.) - 53 -...
Page 56 集中控制区域·机组·备注登记表（2） Centralized Control Area ·Unit Group· Note Registration Form (2) 系统号地址号备注（房间名等）系统号地址号备注（房间名等） System No Address No Note (room number, etc.) System No Address No Note (room number, etc.) - 54 -...
Page 57 集中控制区域·机组·备注登记表（3） Centralized Control Area ·Unit Group· Note Registration Form (3) 系统号地址号备注（房间名等）系统号地址号备注（房间名等） System No Address No Note (room number, etc.) System No Address No Note (room number, etc.) - 55 -...
Page 58 集中控制区域·机组·备注登记表（4） Centralized Control Area ·Unit Group· Note Registration Form (4) 系统号地址号备注（房间名等）系统号地址号备注（房间名等） System No Address No Note (room number, etc.) System No Address No Note (room number, etc.) - 56 -...
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Page 61: Accessory List
随机件清单(Accessory List) 随机件名称(Name of accessory) 规格(Specification) 数量(Quantity) Modbus 适配器(Modbus adapter) HCPC-H2M1C 电源适配器(Power adapter) INPUT AC220 OUTPUT DC12V 安装使用说明书 (Installation —— instruction manual) 合格证(Certificate) 附属安装使用说明书中 —— (Attached in the installation instruction manual) 随机件清单(Accessory list) 附属安装使用说明书中...

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