Gree ME30-44/D2 B Bedienungsanleitung
Owner's Manual
Original Instructions
BACnet Protocol Gateway
Model:
ME30-44/D2(B)
To Users
Thank you for selecting Gree product. Before installing the product, please
read this instruction manual carefully to know well about the product and use it
correctly. In order to install and use the product correctly to reach the expected
operational effect, the following instructions are hereby issued:
（1）The appliance is not intended to be used by the people with physical,
sensory or mental handicap or the people without using experience and knowledge
(including children), except that they are supervised or guided by a person
responsible for their safety when using the appliance. Children should be
supervised to ensure that they do not play with the appliance.
（2）This instruction manual is universal manual, some functions introduced in
this manual are only applicable to specific products; all the illustrations and
information in this manual are only for reference, and the control interface should be
subject to the actual interface.
（3）In order to better meet the customers’ demand, our company will improve
the product continuously and we have the right to conduct necessary modification at
any time due to the reason of sales or production, and will reserve the right of
modification without further notification.
（4）We will bear no responsibility for the personal injury, property loss or
damage of equipment due to improper installation and debugging, unnecessary
maintenance, non-observance of related national laws, regulations, and industrial
standards, violation of any stipulations of this instruction manual, etc.
（5）The final authority for the interpretation of this instruction manual belongs
to Gree Electric Appliances, Inc. of Zhuhai.
Contents
1 Safety Notices (Please be sure to abide).........................1
2 User Notice.........................................................................2
3 Function and Parameter....................................................3
3.1 Functional Overview ...............................................................3
3.2 Parameter Specifications........................................................3
4 Parts and Assembly...........................................................3
5 Introduction for Gateway ..................................................4
5.1 Interface..................................................................................4
5.2 LED Display ............................................................................5
5.3 Button......................................................................................6
5.4 DIP Switch...............................................................................6
6 Application .........................................................................7
6.1 Building Management System (BMS).....................................7
6.2 Internet Topological Graph......................................................8
7 Product Installation ...........................................................9
7.1 Product Size and Spatial Size for Electric Control Cabinet
Installation.....................................................................................9
7.2 Gateway and BMS Communication Connecting Method......10
8 Attachment A TCP/IP Setting ..........................................16
9 Attachment B Applicable Model .....................................20
BACnet Protocol Gateway
1
1 Safety Notices (Please be sure to abide)
WARNING: If not abide strictly, it may cause severe damage to the unit or
the people.
NOTICE: If not abide strictly, it may cause slight or medium damage to the
unit or the people.
This sign indicates that the operation must be prohibited. Improper
operation may cause 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, inflammable or explosive
environment 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.
BACnet Protocol Gateway
2
2 User Notice
Dear customer:
Please read this manual carefully prior to installation and operation and strictly
observe all installation and operation instructions covered in the manual.
Special attentions shall be paid to the following marks:
WARNING! This mark indicates operation, which if improperly performed, might lead to
the death or serious injury of the users.
CAUTION!
This mark indicates operation, which if improperly performed, might possibly
result in damage to the device.
WARNING!
Installation shall be performed by the qualified personnel; otherwise it would res
ult in a fire hazard or
electric shock.
Do not place the plug of the power supply into the socket before it is dried and cleaned.
Cut off the power supply before touching the electric element.
Do not touch this device with wet hands; otherwise it would result in electric shock.
Do use the power cable specified in this manual; otherwise it would result in a fire hazard.
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.
For PLUGGABLE EQUIPMENT, the socket-
outlet shall be installed near the equipment and shall be
easily accessible.
Do install this device inside the electric control cabinet which is located indoor and then is locked.
Do install this device where it will not be subject to the electromagnetic interference or heavy dust.
CAUTION!
Be sure the specified adaptor is used; otherwise this device would work improperly or even be
damaged.
Be sure this device is setup in place; otherwise it would result in communication fault.
Be sure the communication line is connected to the correct interface; otherwise it would result in
communication fault.
After connection, lines should be protected with insulating tape to avoid oxidation and short circuits.
Risk of explosion if battery is replaced by an incorrect type, dispose of used batteries according to
the instructions.
Normal working conditions for Gateway：
①Temperature : -20~60℃;
②Humidity: less than 85%,except for the condensation of dew;
③Lo
cation: indoor (it is highly recommended to install this product in the electric control cabinet), not
subject to direct sunlight, rain and snow etc.
Graphics in the instruction manual are for reference only.
BACnet Protocol Gateway
3
3 Function and Parameter
3.1 Functional Overview
Gree BACnet gateway ME30-44/D2(B) for multi VRF unit can realize data
exchange between air conditioner and BMS system and provide building interfaces
for standard BACnet/IP.Applicable models for this gateway are listed in Attachment
B.
The following BACnet protocol gateway ME30-44/D2(B) is shorted as gateway.
3.2 Parameter Specifications
3.2.1 Gateway TCP/IP Parameter (Default)
IP Address:192.168.0.200
Subnet Mask:255.255.255.0
Default gateway:192.168.0.1
CAUTION：After the TCP/IP parameters are altered, the gateway should be
restarted, then the parameters can come into effect.
4 Parts and Assembly
This kit includes the following parts. Please check before installation.
Gateway
1 set
Instruction manual
1 set
BACnet Protocol Gateway
4
5 Introduction for Gateway
5.1 Interface
5.1.1 Diagram of Interface Function
Fig. 5.1 Schematic of protocol gateway interfaces of multi VRF unit
5.1.2 Power
The input power supply is 24V DC, there are two power supply input interfaces,
only one is needed during operation; the power supply output is not applicable in
this device, please do not connect to electric appliance, otherwise it may cause
malfunction of gateway.
5.1.3 Communication Interface
CAN comm port: this device will not use this communication interface
temporarily.
RS485-1 comm port: connect to the unit(s) or the connection between adjacent
gateways.
RS485-2 comm port: this device will not use this communication interface
temporarily.
USB and SD card port: this device will not use this interface temporarily.
Ethernet comm port ETH0: realize communication through network cable and
BACnet Protocol Gateway
5
BMS.
Ethernet comm port CONFIG: this device will not use this interface temporarily.
5.2 LED Display
As shown in the picture below, open the black transparent front panel.
Fig 5.2 Schematic diagram of opening the black transparent board
Indicators, buttons and DIP switch are as shown below.
Fig 5.3 The schematic diagram of the gateway LED light board and DIP switch
The above LED indicator is mainly consist of two parts: status indicator (run,
power) and communication indicator (CAN and RS485). The following table is the
working status of each indicator.
CAN
RX
This device does not use this LED indicator.
TX
This device does not use this LED indicator.
RS485-1
RX
When the gateway receives data on the 485 bus, it blinks.
TX
When the gateway sends data to the 485 bus, it blinks.
RS485-2
RX
This device does not use this LED indicator.
TX
This device does not use this LED indicator.
STAT
When power supply of Gateway is normal, it is on.
BEAT
When Gateway is running normally, it blinks.
BACnet Protocol Gateway
6
BACKUP
This device does not use this LED indicator.
5.3 Button
SHT/DWN Hold the button for 5s and all indicators will be on; the gateway will be
reset and restarted.
BACKUP
Not use this button for this device temporarily.
5.4 DIP Switch
NOTICE!
Before using this device, please conduct DIP switch setting first, otherwise the
unit will not function normally!
Gateway dial-up setting area is consisting of function DIP switch code.
5.4.1 Diagram of Dial-up Machine
5.4.2 The 2st Lever of Functional DIP Switch—485 Bus Matched
Resistance Setting
The 2nd dial code of the function dialer is used for setting the matching
resistance of the gateway of 485 bus.
When the controller is at the beginning/end of the 485 bus, the controller needs
to be set to be with matching resistance, then the second bit of function dialer is set
to 1; when the controller is not at the beginning/end of the 485 bus, set the controller
to be without matching resistance, and set the dial code to 0.
BACnet Protocol Gateway
7
Fig. 5.4 Schematic of dial code
Fig. 5.5 Schematic diagram of scenes that should set DIP switch code
Fig. 5.6 Schematic diagram of scenes that no need to set DIP switch code
6 Application
6.1 Building Management System (BMS)
This gateway has provided BACnet standard protocols, which can connect to
building management system (BMS). It can monitor RS485 protocol Gree unit by
Building Management System through the gateway.
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