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Owner's Manual 

Original Instructions 

 

Modbus Gateway(Pro) 

Models:ME30-24/E5(M) 

 

   

 

 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for ME30-24/E5

Page 1: ...Owner s Manual Original Instructions Modbus Gateway Pro Models ME30 24 E5 M ...

Page 2: ...al is a universal manual some functions are only applicable to particular product All the illustrations and information in the instruction manual are only for reference and control interface should be subject to actual operation 3 In order to make the product better we will continuously conduct improvement and innovation We have the right to make necessary revision to the product from time to time...

Page 3: ...power supply before touching the electric element 4 Do not touch this device with wet hands otherwise it would result in electric shock 5 Do use the power cable specified in this manual otherwise it would result in a fire hazard 6 When the power cable is reversely connected or the power supply is beyond the rated range it would result in a fire hazard or even damages to this device 7 Do install th...

Page 4: ...uits 5 Normal working conditions for Modbus Gateway Pro Temperature 20 60 Humidity less than 85 Location indoor it is highly recommended to install this product in the electric control cabinet not subject to direct sunlight rain and snow etc 6 Graphics in the instruction manual are for reference only ...

Page 5: ...us Gateway Pro 3 4 1 Interfaces 3 4 2 LED display 6 4 3 DIP Switches 6 5 Application 10 5 1 Building Management System BMS 10 5 2 Internet topological graph 11 5 3 Topology Introduction 11 6 Installation 12 6 1 Product Dimension and Installation Space of Electric Control Cabinet 12 6 2 Communication Connection 13 7 Annex DIP Address 19 ...

Page 6: ...nment or the place with special requirements such as kitchen Otherwise it will affect the normal operation or shorten the service life of the unit or even cause fire hazard or serious injury As for above special places please adopt special air conditioner with anti corrosive or anti explosion function 2 Function 2 1 General Functions Gree Modbus Gateway Pro are intended to realize the data exchang...

Page 7: ...Modbus Gateway Pro 2 3 Composition The product contains following items Please check them prior to installation Modbus Gateway Pro 1 set Owner s Manual 1 set ...

Page 8: ...485 2 communication interface Power input DI Digital input DO digital output RS232 communication interface SD card interface USB interface Ethernet interface 4 1 2 Power The input power is 100VAC 240VAC and 50 60Hz WARNING Protective grounding of power input must be connected otherwise a hazard may happen in addition do not touch the power input when the gateway is energized ...

Page 9: ...communication between Modbus Gateway Pro and air conditioner RS485 1 communication interface It is connected to BMS through two core connection wire to realize communication between Modbus Gateway Pro and BMS RS485 2 communication interface This device doesn t use this communication interface currently Interface of USB or SD card This device doesn t use this interface currently Ethernet interface ...

Page 10: ...ct to 0 input signal 0 in DI 1 port resume operation of all ODUs In CAN1 network fire alarm signal connect 1 to the power of 12V input fire alarm signal 1 in DI 1 port then Modbus gateway Pro will give out control all units stop operation immediately disconnect 1 or connect to 0 input signal 0 in DI 1 port resume operation of IDUs manually DI2 DI5 Defined by the user DO1 DO5 digital outputs Relay ...

Page 11: ...rom the Modbus bus is received it will flash RS485 1 TX When the data is transferred to the Modbus bus it will flash RS232 RX This device does not use this LED indicator RS232 TX This device does not use this LED indicator RS485 2 RX This device does not use this LED indicator RS485 2 TX This device does not use this LED indicator Power When power supply of Modbus Gateway Pro is normal it will be ...

Page 12: ...used for setting the device address of Modbus Gateway Pro Notice Please set the address DIP switches before using this gateway The network DIP switch address of the same bus cannot be repeated otherwise communication error may happen Address setting range 1 255 Address setting example Setting method of address 11 is shown as below 1 6 5 4 3 2 7 8 0 1 Address Address 1 1 0 1 0 0 0 0 11 1 2 3 4 5 6 ...

Page 13: ...s bus Detailed meaning please refer to topology introduction The seventh switch of function DIP switch is used for setting the Modbus bus matched resistance of this gateway If the gateway is at the end of Modbus bus the gateway shall be set as with the matched resistance which means set the seventh DIP switch to 0 If the gateway is not at the end of Modbus bus the gateway shall be set as without t...

Page 14: ...ay If the gateway is at the end of CAN2 bus the gateway shall be set as with the matched resistance which means set the eighth DIP switch to 0 If the gateway is not at the end of CAN2 bus the gateway shall be set as without the matched resistance which means set the eighth DIP switch to 1 1 6 5 4 3 2 7 8 0 1 Function 1 0 is the position of DIP Without matched resistance With matched resistance 8 8...

Page 15: ...without matched resistance Set as with matched resistance 5 Application Modbus Gateway Pro is usually applicable for Building Management System 5 1 Building Management System BMS This gateway adopts Modbus standard protocol which can be used as the interface of BMS It is applicable for Gree multi VRF which adopts CAN protocol when the VRF is connected to the BMS to achieve monitoring of Gree multi...

Page 16: ... IDUs and ODUs of the system One CAN1 network can be connected to maximum 80 IDUs CAN2 network which is consist of Modbus Gateway Pro and main control ODU of the system One CAN2 network can be connected to maximum 16 systems and 255 IDUs System One system consists of one set of outdoor unit one set of outdoor unit is a module group consisting of 1 4 modules that is 1 4 outdoor units and it ...

Page 17: ...le unit quantity of Modbus Gateway Pro one Modbus Gateway Pro can be connected with 16 systems and 255 indoor units in maximum 6 Installation 6 1 Product Dimension and Installation Space of Electric Control Cabinet 6 1 1 Product Dimension L W H 296 177 56 mm ...

Page 18: ...ation between Modbus Gateway Pro and BMS 2 Communication between Modbus Gateway Pro and air conditioner 6 2 1 Material Selection of Communication Cable Communicat ion system Material of cable Comm unicati on cable L m Cable diameter mm2 Material standard Remark Modbus Ga Communicat ion between Modbus Gateway Pr o and BMS Light Ordinar y PVC sheathed twisted pair copper wire 60227 IEC52 60227 IEC53...

Page 19: ...ro 14 6 2 2 Communication Connection Way Notice All communication cables of Modbus Gateway Pro must be connected in series instead of in star mode 1 Communicaiton connection between Modbus and BMS BMS system BMS system ...

Page 20: ...Modbus Gateway Pro 15 2 Communicaiton connection between Modbus Gateway Pro and air conditioner n is air conditioner quantity n 255 ...

Page 21: ...o be connected to BMS Connect the R and R port of RS485 1 communication interface of this gateway and the BMS with communication cable as shown in step in the figure Step 2 Connect the R and R port of RS485 1 communication interface of M odbus Gateway Pro Modbus Gateway Pro 1 and the R and R port of RS485 1 communication interface of the second Modbus Gateway Pro Modbus Gateway Pr o 2 as shown in ...

Page 22: ...nication cable as shown in step in the figure 3 DIP switch of Modbus Gateway Pro Step 1 Set address DIP switch of Modbus Gateway Pro by referring to chapter 4 3 2 Step 2 Set matched resistance of Modbus Gateway Pro by referring to chapter 4 3 3 4 3 4 Note In Modbus bus if the connected Modbus Gateway Pro exceeds 30 or communication distance exceeds 800m one photoelectric isolation repeater shall b...

Page 23: ...ance of Modbus Gateway Pro is introduced Meanwhile the master ODU in the first and end systems of CAN2 bus shall be set as with matched resistance In the following the detailed setting position and method of matched resistance of GMV 5 DC inverter multi VRF are taken as example CAN2 bus Detailed meaning please refer to topology introduction ...

Page 24: ...1 0 0 43 0 0 1 1 0 0 0 0 12 0 0 1 1 0 1 0 0 44 1 0 1 1 0 0 0 0 13 1 0 1 1 0 1 0 0 45 0 1 1 1 0 0 0 0 14 0 1 1 1 0 1 0 0 46 1 1 1 1 0 0 0 0 15 1 1 1 1 0 1 0 0 47 0 0 0 0 1 0 0 0 16 0 0 0 0 1 1 0 0 48 1 0 0 0 1 0 0 0 17 1 0 0 0 1 1 0 0 49 0 1 0 0 1 0 0 0 18 0 1 0 0 1 1 0 0 50 1 1 0 0 1 0 0 0 19 1 1 0 0 1 1 0 0 51 0 0 1 0 1 0 0 0 20 0 0 1 0 1 1 0 0 52 1 0 1 0 1 0 0 0 21 1 0 1 0 1 1 0 0 53 0 1 1 0 1 0...

Page 25: ...0 0 1 1 0 0 1 0 76 0 0 1 1 0 1 1 0 108 1 0 1 1 0 0 1 0 77 1 0 1 1 0 1 1 0 109 0 1 1 1 0 0 1 0 78 0 1 1 1 0 1 1 0 110 1 1 1 1 0 0 1 0 79 1 1 1 1 0 1 1 0 111 0 0 0 0 1 0 1 0 80 0 0 0 0 1 1 1 0 112 1 0 0 0 1 0 1 0 81 1 0 0 0 1 1 1 0 113 0 1 0 0 1 0 1 0 82 0 1 0 0 1 1 1 0 114 1 1 0 0 1 0 1 0 83 1 1 0 0 1 1 1 0 115 0 0 1 0 1 0 1 0 84 0 0 1 0 1 1 1 0 116 1 0 1 0 1 0 1 0 85 1 0 1 0 1 1 1 0 117 0 1 1 0 1 ...

Page 26: ... 0 1 1 0 0 0 1 140 0 0 1 1 0 1 0 1 172 1 0 1 1 0 0 0 1 141 1 0 1 1 0 1 0 1 173 0 1 1 1 0 0 0 1 142 0 1 1 1 0 1 0 1 174 1 1 1 1 0 0 0 1 143 1 1 1 1 0 1 0 1 175 0 0 0 0 1 0 0 1 144 0 0 0 0 1 1 0 1 176 1 0 0 0 1 0 0 1 145 1 0 0 0 1 1 0 1 177 0 1 0 0 1 0 0 1 146 0 1 0 0 1 1 0 1 178 1 1 0 0 1 0 0 1 147 1 1 0 0 1 1 0 1 179 0 0 1 0 1 0 0 1 148 0 0 1 0 1 1 0 1 180 1 0 1 0 1 0 0 1 149 1 0 1 0 1 1 0 1 181 0...

Page 27: ... 0 1 1 0 0 1 1 204 0 0 1 1 0 1 1 1 236 1 0 1 1 0 0 1 1 205 1 0 1 1 0 1 1 1 237 0 1 1 1 0 0 1 1 206 0 1 1 1 0 1 1 1 238 1 1 1 1 0 0 1 1 207 1 1 1 1 0 1 1 1 239 0 0 0 0 1 0 1 1 208 0 0 0 0 1 1 1 1 240 1 0 0 0 1 0 1 1 209 1 0 0 0 1 1 1 1 241 0 1 0 0 1 0 1 1 210 0 1 0 0 1 1 1 1 242 1 1 0 0 1 0 1 1 211 1 1 0 0 1 1 1 1 243 0 0 1 0 1 0 1 1 212 0 0 1 0 1 1 1 1 244 1 0 1 0 1 0 1 1 213 1 0 1 0 1 1 1 1 245 0...

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