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Application Examples

Commissioning over Ethernet (LAN)

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Siemens ET G1 · 10/2008

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Overview

Faster downloads save time

In every GAMMA instabus project, the devices are commissioned

once they have been installed. Once the physical addresses

have been assigned, application programs, parameters and

addresses are loaded to the devices. Particularly in the case of

larger projects with a large number of devices, this can be a

time-consuming process. However, with the Siemens LAN

connection, this can now all be carried out much faster. This

saves you time and money.

Simply connect your notebook to the GAMMA

instabus

over the

N 148/21 IP interface and start the download. By comparison:

Using LAN, the download now only takes about half the time it

required using RS232 or USB.

The solution:

The benefits:

• Planning, configuring, commissioning and diagnosis with

ETS3 (KNX commissioning software)

• Simply connect your notebook and start the download

• Downloading twice as fast saves you considerable time

during commissioning

Proceed as follows:

• Connect the N 148/21 IP interface to the KNX

• Connect the notebook to the N 148/21 IP interface over the

Ethernet cross cable – and start downloading. If using a setup

with cross cable, the IP addresses of the N 148/21 IP interface

and PC must be assigned manually.

You require the following:

• N 148/21 IP interface (5WG1 148-1AB21)

• 24 V power supply for N 148/21 IP interface

(e.g. 4AC2 402)

• Ethernet cross cable

• LAN-capable notebook

• ETS3 (current version see http://www.knx.org)

Note:

LAN stands for Local Area Network. In LANs, data transport is organized over

the IP (Internet Protocol) – the standard network protocol on the Internet.

KNX device

LAN-capable notebook

KNX device

N 148/21

IP interface

KNX device

LAN

(Ethernet cross cable)

I2_15412

KNX

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