
4 ELECTRICAL WIRING
Name
Connection
Cable specification
X1
Power supply (1)
Use 0.75 mm2 wires which are not lighter than the polychloroprene sheathed
flexible cord (code designation 60245 IEC 57)
X3
Ethernet (1)
Category 5 or higher LAN cables
PC connection: Use a crossed cable (1 cable set available in Net configuration
Kit) for direct connection.
LAN connection: Use a direct cable (field-supplied) for connection to a commercial
distributor (Hub).
X4
H-LINK (1)
Twisted pair shielded cable 0.75 mm².
Shield must be grounded in one side only.
X5
RS485 (1)
3 cores cable harness 0.75 mm² grounded in one side only. Use different colour
for each cable.
X6
USB (1)
USB Mini-B plug cable (1 cable set available in Net configuration Kit)
?
N O T E
(1) These cables must be field supplied.
4.1 DSW CONFIGURATION
Name
Function
Factory
setting
Description
SW1
Configuration
SW1-1: Modbus end
resistance (*).
SW1-2: Not used (keep
always “ON”)
?
N O T E
(*)No applicable to HC-A64NET.
5 OPERATION
5.1 COMPATIBILITY
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.
ELECTRICAL WIRING
PMML0351A rev.4 - 04/2020
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