Gree ME30-24/E5 Manuale utente
Owner's Manual
Original Instructions
Modbus Gateway(Pro)
Models:ME30-24/E5(M)
To Users
Thank you for selecting Gree’s product. Please read this instruction manual
carefully before installing and using the product, so as to master and correctly use
the product. In order to guide you to correctly install and use our product and
achieve expected operating effect, we hereby instruct as below:
(1) This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience
and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsibility for their safety.
Children should be supervised to ensure that they do not play with the
appliance.
(2) This instruction manual 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 due to the reason of sales or
production, and reserve the right to revise the contents without further
notice.
(4) For personal injury or property loss and damage caused by improper
operation such as improper installation and debugging, unnecessary
maintenance, violation of related national laws and rules and industrial
standard, and violation of this instruction manual, etc., we will bear no
liability.
(5) The final right to interpret for this instruction manual belongs to Gree
Electric Appliances Inc. of Zhuhai.
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.
Notice!
This mark indicates operation, which if improperly performed,
might possibly result in damage to the device.
WARNING!
(1) Installation shall be performed by the qualified personnel; otherwise it would
result in a fire hazard or electric shock.
(2) Do not place the plug of the power supply into the socket before it is dried and
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 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 this device inside the electric control cabinet which is located indoor
and then is locked.
(8) Do install this device where it will not be subject to the electromagnetic
interference or heavy dust.
Notice!
(1) Be sure the specified adaptor is used; otherwise this device would work
improperly or even be damaged.
(2) Be sure this device is setup in place; otherwise it would result in communication
fault.
(3) Be sure the communication line is connected to the correct interface; otherwise
it would result in communication fault.
(4) After connection, lines should be protected with insulating tape to avoid
oxidation and short circuits.
(5) Normal working conditions for Modbus Gateway(Pro)：
①Temperature : -20～+60℃；
②Humidity: less than 85%
③Location: 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.
Contents
1 Safety Notices (Please be sure to abide )............................................... 1
2 Function........................................................................................................ 1
2.1 General Functions ............................................................................... 1
3 Composition................................................................................................. 2
4 Detailed Instruction of Modbus 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
Modbus Gateway(Pro)
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.
Note: 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 .
2 Function
2.1 General Functions
Gree Modbus Gateway(Pro) are intended to realize the data exchange
between the air conditioner and BMS, and provides ten I/Os (five inputs are DI1, DI2,
DI3, DI4, DI5 and five outputs are DO1, DO2, DO3, DO4, DO5). DI1 is the fire alarm
interface. The status of other I/Os is mapped to the specific objects of the Modbus
bus and is defined by the user. This gateway is applicable for Gree multi VRF
system which adopts CAN protocol.
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
Modbus Gateway(Pro)
3
4 Detailed Instruction of Modbus Gateway(Pro)
4.1 Interfaces
4.1.1 Interface Function Drawing
RS485-1
communication
interface
CAN
communication
interface
RS485-2
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.
Modbus Gateway(Pro)
4
Notice! Power cord should be secured with the equipped wire clip, as shown in
the figure.
4.1.3 Communication interfaces
CAN communication interface: It is connected to air conditioner through
two-core connection wire, to realize 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: This device doesn’t use this interface currently.
Modbus Gateway(Pro)
5
4.1.4 DI/DO Digital Input/Output
This gateway supports 5 DIs(digital inputs) and 5 DOs(digital outputs); DO6 is
reserved.
DI1...DI5
Digital inputs: 0/1 digital signals(binary system), applicable for those with
power supply
DI1: in CAN2 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 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 output, normally-open contact
Max admissible power: 250VAC, 3A; 30VDC, 3A
Example: write “1” into DO5 of Modbus protocol and the two contacts of DO5
relay will be closed; write “0”into DO5 of Modbus protocol and
the two contacts of DO5 relay will be cut off.
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