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Modbus Gateway(Mini) 

5.1.3 Communication Interfaces 

 

CAN communication interface: It is connected to air conditioner through two- 

core connection wire, to realize communication between Modbus Gateway(Mini) and 

air conditioner.   

RS485 communication interface: It is connected to BMS through two-core 

communication cable, to realize communication between Modbus Gateway(Mini) and 

BMS or nearby Modbus Gateway(Mini). 

 

 

 

 

Содержание ME30-24/ E7M

Страница 1: ...MINI Installation Owner s manual Modbus Gateway Mini Model ME30 24 E7 M Thank you for choosing Cooper Hunter please read this installation owner s manual carefully before operation and retain it for f...

Страница 2: ...on responsibility for their safety Children should be supervised to ensure that they do not play with the appliance 2 In order to ensure reliability of product the product may consume some power under...

Страница 3: ...tenance center as soon as possible by providing the following information 1 Contents of nameplate of product model cooling heating capacity product No ex factory date 2 Malfunction status specify the...

Страница 4: ...us Gateway Mini 4 5 1 Interface 4 5 2 LED Display 7 5 3 DIP Switches 8 6 Application 11 6 1 Building Management System BMS 11 6 2 Topological Graph 12 6 3 Topology Introduction 12 7 Product Installati...

Страница 5: ...severe damage or death to people This sign indicates that the items must be observed Improper operation may cause damage to people or property WARNING This product can t be installed at corrosive inf...

Страница 6: ...nd cleaned 3 Cut off the 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 t...

Страница 7: ...l working conditions for Modbus Gateway Mini a Temperature 20 60 b Humidity less than 85 except for the condensation of dew c Location indoor it is highly recommended to install this product in the el...

Страница 8: ...Gateway Mini 4 4 Composition The product contains following items Modbus Gateway Mini 1 set Owner s Manual 1 set 5 Detailed Introduction of Modbus Gateway Mini 5 1 Interface 5 1 1 Interface Function D...

Страница 9: ...dbus Gateway Mini 5 5 1 2 Power The input power is 12V DC external power supply can be prepared Note pay attention to the polarity of power input and connect power according to the interface instructi...

Страница 10: ...ir conditioner through two core connection wire to realize communication between Modbus Gateway Mini and air conditioner RS485 communication interface It is connected to BMS through two core communica...

Страница 11: ...TX When the data is transferred to the equipment e g unitary unit connected with Modbus Gateway Mini it will flash RX When the data from the equipment e g unitary unit connected with Modbus Gateway Mi...

Страница 12: ...e device after setting DIP switches Otherwise this device cannot operate normally Setting area of Modbus gateway DIP switch is located inside the product including address DIP switch and function DIP...

Страница 13: ...P switches before using this gateway The network DIP switch address of the same bus cannot be repeated otherwise communication error may happen Modbus Gateway Mini address setting range 1 255 Detailed...

Страница 14: ...ting the matched resistance of this gateway in Modbus bus Modbus bus Detailed meaning please refer to topology introduction If the Modbus gateway is at the end of Modbus bus the gateway shall be set a...

Страница 15: ...have no functions yet The 4th is the matching resistance dial code of CAN bus which is not available to this product yet 6 Application Modbus Gateway Mini is usually applicable for Building Management...

Страница 16: ...dbus Gateway Mini 12 6 2 Topological Graph 6 3 Topology Introduction Modbus bus 1 Modbus bus L1 represents Modbus bus Unit one set of unit consists of one set of outdoor unit and one set of indoor uni...

Страница 17: ...ich consists of Modbus Gateway Mini outdoor unit and indoor unit bus shown in L2 in the network is CAN1 bus Connectable unit quantity of Modbus Gateway Mini one Modbus Gateway Mini can only connects t...

Страница 18: ...Modbus Gateway Mini 14 7 Product Installation 7 1 Product Dimension and Installation Space of Electric Control Cabinet 7 1 1 Product Dimension Unit mm...

Страница 19: ...Electric ControlCabinet Modbus Gateway Mini shall be installed in the electric control cabinet The front side of gateway shall be hung upwards in horizontal level and secured by two screws Required i...

Страница 20: ...Mini 16 Unit mm 7 2 Communication Connection Communication system of Modbus Gateway Mini includes 1 Communication between Modbus Gateway Mini and BMS 2 Communication between Modbus Gateway Mini and a...

Страница 21: ...odbus Gateway Mini and BMS Light Ordinary PVC sheathed twisted pair copper wire L 800 2 0 75 IE C60227 5 2007 When communic ation distance exceeds 800m photoelect ric isolation repeater shall be added...

Страница 22: ...y Mini 18 7 2 2 Communication Connection Way Notice All communication cables of Modbus Gateway Mini must be connected in series instead of in star mode Communication connection between Modbus Gateway...

Страница 23: ...st Modbus Gateway Mini Modbus Gateway Mini 1 as shown in the figure that needs to be connected to BMS Connect the port of RS485 of this gateway and the BMS with communication cable as shown in step in...

Страница 24: ...y Mini and air conditioner Step 1 ensure that the unitary unit for connecting to each gateway has connected via CAN1 As shown in step in the figure Step 2 use communication wire to connect D1 and D2 t...

Страница 25: ...ateway Mini Note In Modbus bus if the connected Modbus Gateway Mini exceeds 30 or communication distance exceeds 800m one photoelectric isolation repeater shall be added Connect the R and R port of ph...

Страница 26: ...0 1 0 0 0 0 8 0 0 0 1 0 1 0 0 40 1 0 0 1 0 0 0 0 9 1 0 0 1 0 1 0 0 41 0 1 0 1 0 0 0 0 10 0 1 0 1 0 1 0 0 42 1 1 0 1 0 0 0 0 11 1 1 0 1 0 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...

Страница 27: ...0 96 1 0 0 0 0 0 1 0 65 1 0 0 0 0 1 1 0 97 0 1 0 0 0 0 1 0 66 0 1 0 0 0 1 1 0 98 1 1 0 0 0 0 1 0 67 1 1 0 0 0 1 1 0 99 0 0 1 0 0 0 1 0 68 0 0 1 0 0 1 1 0 100 1 0 1 0 0 0 1 0 69 1 0 1 0 0 1 1 0 101 0 1...

Страница 28: ...0 1 0 1 167 0 0 0 1 0 0 0 1 136 0 0 0 1 0 1 0 1 168 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...

Страница 29: ...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 1 1 0 1 0 0 1 150 0 1 1 0...

Страница 30: ...232 1 0 0 1 0 0 1 1 201 1 0 0 1 0 1 1 1 233 0 1 0 1 0 0 1 1 202 0 1 0 1 0 1 1 1 234 1 1 0 1 0 0 1 1 203 1 1 0 1 0 1 1 1 235 0 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...

Страница 31: ...1 0 1 1 218 0 1 0 1 1 1 1 1 250 1 1 0 1 1 0 1 1 219 1 1 0 1 1 1 1 1 251 0 0 1 1 1 0 1 1 220 0 0 1 1 1 1 1 1 252 1 0 1 1 1 0 1 1 221 1 0 1 1 1 1 1 1 253 0 1 1 1 1 0 1 1 222 0 1 1 1 1 1 1 1 254 1 1 1 1...

Страница 32: ...Cooper Hunter International Corporation www cooperandhunter com...

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