Gateways For Building Management Systems (Bms); Hc-A(8/64)Mb - Hitachi PC-ARF Technical Catalogue

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3 Features and benefits

Gateways for building management systems (BMS)

3.4 Gateways for building management systems (BMS)

HC-A8MB and HC-A64MB are the new interfaces which allow an 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 and HC-A64MB include new parameters compared with current HC-A32MB:

Gas pipe temperature reading

Liquid pipe temperature reading

Compressor stop cause

Indoor unit expansion valve opening

Ambient temperature

Remote control switch temperature

Remote sensor temperature

Two different available gateways for small and medium installations (nº. of indoor units):

HC-A8MB: max. 8 indoor units

HC-A64MB: max 64 indoor units (max. indoor units quantity increased from 32 units in previous version)

Only 1 HC-A(8/64)MB can be connected to an H-LINK system.

Many BMS Systems have gateways to MODBUS system. Therefore, HC-A(8/64)MB can be used to connect to differ-

Easy installation: HC-A(8/64)MB is provided with a DIN rail 35 mm structure for a faster assembly.

Connectable ports:

RS485 Modbus

Modbus/TCP (Ethernet)

Device setup by a smart computer application for a better system configuration.

TCGB0106 rev.0 - 12/2014

HC-A(8/64)MB: Gateway Interface to MODBUS systems

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