New Product General Data; Hardware Specifications - Hitachi HC-A8MB Installations- Und Betriebshandbuch

New product general data

2 NEW PRODUCT GENERAL DATA

2.3.1 Hardware specifications

Item
Power supply
Consumption
Outer dimensions
Weight
Assembling conditions
Ambient temperature
Humidity
2.3.2 Communication
RS485

Item
Type
Connector
Communication line
Communication system
Communication method
Baud rate transmission
Length
Ethernet

Item
Type
Connector
Communication line
Communication system
Length
H-LINK

Item
Communication with
Communication line
Communication system
Communication method
Speed of transmission
Length of wiring
Maximum number of gateways
Maximum number of IU
2
1~ 230 V ±10% 50 Hz
4.5W (maximum)
Width: 106 mm, Depth: 90 mm, Height: 58 mm
165 g
Indoors (installation inside an enclosure with restricted access by a tool)
0~60 ºC
20~85% (Without condensation)
Modbus RTU for HC-A(8/64)MB
Not available for HC-A64NET
Serial Port RS485 (3 screw terminals)
Shielded twisted pair cable, with third wire (for the common), with polarity.
Half-duplex, multipoint serial connection
Non parity or odd/even parity selection. Data length: 8 bits – 1 stop bit
19200/9600 Baud
Max. 1200 m according EIA-485
Modbus TCP for HC-A(8/64)MB
TCP/IP communication for HC-A64NET
Ethernet (RJ45)
Two twisted pair cable CAT5 or better (T-568A/T-568B)
Full-duplex
Max. 100 m according IEEE 802.3
HC-A(8/64)MB and HC-A64NET: Hitachi Air Conditioning series: SET FREE, UTOPIA and CENTRIFUGAL
systems
Twisted pair shielded cable, non-polarity
Half-duplex
Asynchronous
9600 Bauds
1000 m maximum (total length of H-LINK I/O bus)
1 Gateway (HC-A8MB,HC-A64MB)/H-LINK SYSTEM
HC-A64MB → up to 64 * Indoor Units
HC-A8MB → up to 8 * Indoor Units
HC-A64NET → up to 64* Indoor Units
PMML0351A rev.0 - 11/2014
Specifications
Specifications
Specifications
Specifications