2 Control solutions
Great control possibilities
TCGB0106 rev.0 - 12/2014
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2.2.4 Standard protocol interfaces for building management systems (BMS)
HITACHI yields to customers a wide range of control interfaces for the integration of the air conditioning equipment and
controls into the BMS systems.
2.2.4.1 MODBUS interface
Integrated control system for connection between HITACHI air conditioning systems and BMS systems.
PSC-A160WEB1
HC-A(8/64)MB
CSNET MANAGER (LT/XT)
HC-A64NET
Up to (8/64)
indoor units
Up to 640 (160x4)
indoor units
Up to 512 (64x8)
indoor units (*)
ETHERNET
OPTION 1
OPTION 3
OPTION 2
ETHERNET
Option 1: Gateway interfaces to MODBUS systems (HC-A(8/64)MB)
Easy integration of HITACHI Air Conditioning installations to a MODBUS BMS by providing full management control of Air
Conditioning installation to the BMS controllers.
• HC-A8MB: max. 8 indoor units.
• HC-A64MB: max. 64 indoor units.
Option 2: CSNET WEB hardware interface (PSC-A160WEB1)
This option allows to take advantage of the CSNET WEB functionality.
Option 3: CSNET Manager and its H-LINK gateway (HC-A64NET)
This option allows to take proîš¿t of the great CSNET Manager functionality, connecting it to its HC-A64NET gateway.
(*): Using CSNET Manager with other CSNET Managers or with CSNET WEB hardware (PSC-A160WEB1) the maximum
number of controllable indoor units is increased up to 1280 indoor units.
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