Gree GMV5S Technisch en onderhoudshandboek - Pagina 5
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Internet topological graph specification
CAN2 bus internet: the red wire is CAN2 bus, which is consist of BACnet gateway and main
control ODU of the system. One CAN2 internet can be connected to maximum 16 systems and
255 IDUs.
CAN1 bus internet: the black wire is CAN1 bus, which is consist of BACnet gateway and all
IDUs and ODUs of the system. One CAN1 internet can be connected to maximum 80 IDUs.
System: one system is consisting of a set of ODU (a set of ODU is a module which is consist
of 1-4 modules, namely 1-4 ODUs) and the affiliated IDUs.
The admissible unit quantity for BACnet gateway: one BACnet gateway can be connected
to maximum 16 systems and 255 IDUs.
Note: L1 in the fig is the standard network cable, L2 and L3 is the twisted-pair.
2. ASSEMBLY INTRODUCTION
2.1 ASSEMBLY LIST
2.1.1 SAFETY REQUIREMENT FOR ENGINEERING INSTALLATION
CONSTRUCTION
Name
BACnet
gateway kit
ME30-24/D4(B)
Power cord
Communication
cord
2.2 GATEWAY ME30-24/D4(B)
2.2.1 FUNCTION INTRODUCTION
GMV BACnet gateway kit ME30-24/D4(B) is intended to realize the data exchange between
the air conditioning unit and BAS system, and providing standard BACnet/IP building interface and
10 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 are mapped to the specific objects of the
BACnet/IP bus and are defined by the user. This gateway applys to the GMV using CAN protocol.
GMV BACnet Gateway Technical Service Manual
Material
Model
code
Gateway
MC200013
component
00
--
--
--
--
Supply
range
It can connect to BMS system.
Protocol interface: CAN and
Standard
BACnet protocol
configura
Hardware interface: CAN port
tion
and Ethernet port.
Main component: BACnet
gateway and specification
Free
0.5mm
configura
tion
Free
2 0.75mm
configura
tion
2
Remark
2
2
--1mm
2