6 Building air conditioning controls
HC-A64NET
TCGB0106 rev.0 - 12/2014
618618
6.3.2.7 Installation procedure
DANGER
• Do not install this device in places accessible to the general public. Install it in enclosures or other places which are acces-
sible only by the usage of a tool.
• Do not connect power supply before the device installation is correctly done. Always disconnect power supply from the
device before any maintenance or servicing action.
CAUTION
• Check to ensure that the eld supplied electrical components (mains power switches, circuit breakers, wires, connectors and wire
terminals) have been properly selected according to the electrical data indicated on this document and they comply with national and
local codes
• Any unit that is not connected or is not under power when turning on Network / Modbus gateways, will not be recognized and will have
to be congured later.
• Before power supply and turning on the Network / Modbus gateways, you must ensure that:
- 1. All circuits to be connected are correctly applied.
- 2. All H-Link connections have been set up.
- 3. Modbus connection has been properly done.
• The signals’ cables should be as short as possible. Keep a distance of more than 150 mm from other power cables. Do not wire them
together (although they may intersect). If they must necessarily be installed together, take the following measures to avoid noise
disturbances:
- For communications, use shielded wire which is earthed at one side.
6.3.2.8 Network conguration
A computer software tool, Net conguration Tool, is supplied inside the USB stick memory for an easy and friendly con-
guration.
NOTE
The installation of this device requires an USB cable and Ethernet cable. HITACHI offers the accessory “Net conguration kit” which in-
cludes USB cable, Ethernet cable and an USB memory stick with the same software tool. Refer to its specic section for more information.
Computer requirements
It is required to use a personal computer with Microsoft Windows 7 or higher, a free USB port and Java.
Parameters under conguration
• Parity: Odd/Even/Disabled
• Communication speed: 9600/19200 Bps
• Modbus address
• Modbus TCP IP
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