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Electrical wiring
4 ELECTRICAL WIRING
Name
X1
Power supply (1)
X3
Ethernet (1)
X4
H-LINK (1)
X5
RS485 (1)
X6
USB (1)
N O T E
(1) These cables must be field supplied.
4.1 DSW CONFIGURATION
Name
Function
SW1
Configuration
5 OPERATION
5.1 COMPATIBILITY
The new HC-A(8/64)MB and HC-A64NET are compatible with all SET FREE, UTOPIA and CENTRIFUGAL units using H-LINK
communication protocol.
These devices are not compatible with any of the following Hitachi controllers:
-
Centralised remote controls
Building air conditioning controls(*)
-
-
Other HITACHI BMS Gateways (LONWORKS, BACNET, KNX, FIDELIO)
-
Other HITACHI MODBUS Gateways
-
Other units of the same model
N O T E
(*)HC-A64NET is compatible with CSNET Manager LT & XT.
8
Connection
Factory
Description
setting
SW1-1: Modbus end
resistance (*).
SW1-2: Not used (keep
always "ON")
PMML0351A rev.1 - 10/2015
Use 0.75 mm
wires which are not lighter than the polychloroprene sheathed
2
flexible cord (code designation 60245 IEC 57)
Category 5 or higher LAN cables
PC connection: Use a crossed cable (1 cable set available in Net configuration
Kit, model code 7E513206) for direct connection.
LAN connection: Use a direct cable (field-supplied) for connection to a commercial
distributor (Hub).
Twisted pair shielded cable 0.75 mm².
Shield must be grounded in one side only.
3 cores cable harness 0.75 mm² grounded in one side only. Use different colour
for each cable.
USB Mini-B plug cable (1 cable set available in Net configuration Kit, model code
7E513206)
N O T E
(*)No applicable to HC-A64NET.
Cable specification
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