Helmholz NETLink Manuale utente
www.helmholz.com
Version
3
Quick Start Guide
NETL ink® Ethernet Gateways
en
as of FW 2.60
Quick Start Guide NETL ink® Ethernet Gateways
2
Content
1. Introduction 3
2. Checking the Network Situation 3
3. Preparing the NETL ink® 4
4. IP Address Settings on the PG/PC Network Card 6
5. Establishing Access to the Integrated Web Interface 7
6. Integration of an NETLink® Adapter into the PG/PC Interface of the Engineering Software 10
7. WLAN Operating Mode (only NETL ink® WLAN) 12
8. LED Description 14
9. Tips and Information 15
Quick Start Guide NETL ink® Ethernet Gateways
3
2. Checking the Network Situation
If a new NETLink® is to be added to an intranet, use the “ping” command to check in
the command line interpreter (cmd) whether a network subscriber with this address
already exists.
Note: First ask your network administrator whether the preset values are compatible
with your network and freely available.
2.1 Start cmd via the “Run” function
Start -> All Programs -> Accessories -> Run -> Open: cmd -> OK
All NETL ink® versions with the IP address: 192.168.4.49 and the subnet mask:
255.255.0.0 are supplied as standard.
1. Introduction
General note:
The functions described here relate to 32 and 64 bit Windows¹ operating systems.
Write down the MAC address of your NETL ink® before installing the adapter in your
system. This is required to activate the web interface!
The NETL ink® Ethernet versions enable implementation of TCP/IP on MPI/PPI/PRO-
FIBUS with up to 32 simultaneous connection channels. More detailed information
can be found in the manual.
This Quick Start Guide goes over the basic settings for the initial commissioning in a
local TCP/IP network.
Quick Start Guide NETL ink® Ethernet Gateways4
2.2 Display the computer’s network con guration
For initial commissioning, we recommend a separate PG/PC to NETLink® connection
without integration into the company network.
With the “ipcon g” command you can easily display the settings for your PG/PC LAN
network card.
With the setting for the computer network card that is shown here, the IP address
range is adjusted to the default value for NETL ink®.
3.2 TCP/IP connection
Connect the network connection of your PG/PC (LAN card) to the RJ45 LAN socket
of the NETL ink® adapter using an Ethernet cable (a 3 m CAT5 cable is included in the
delivery).
3. Preparing the NETL ink®
3.1 24 V power supply
Connect the NETL ink® to the MPI or PROFIBUS interface of your automation system.
The required 24 V are normally available at the bus interface. Alternatively, an exter-
nal DC voltage source can also be connected to the two-pole connector.
Quick Start Guide NETL ink® Ethernet Gateways 5
3.4 Termination (only NETL ink® PRO PoE and NETLink® WLAN)
The bus connector with PG socket makes it possible to plug in further bus partici-
pants. The terminating resistor must be inserted (ON) when the NETL ink® is plugged
in at the start or end of a bus segment. If this is not the case, the switch must be in
the OFF position.
3.3 Power over Ethernet connection (only NETLink® PRO PoE)
When the “Power over Ethernet” function is used, you will see a standard PoE injec-
tor shown in the graph by way of example. Alternatively, it can be installed in the
LAN route to supply the NETLink® PRO PoE with 48 V. PoE Injector
Quick Start Guide NETL ink® Ethernet Gateways
6
All NETL ink® devices are supplied with the IP address 192.168.4.49. This means that
you will have to use the same address range for your computer. Please note that this
applies not only to the IP address, but to the subnet mask as well.
The IP address to be set here must fall within the “192.168.4.x” address range, the
subnet mask should be identical to that of the NETLink® (255.255.0.0).
No entries need to be made with the default gateway and preferred DNS server.
Once the settings are applied, the “LAN connection” should be recognized.
4. IP Address Settings on the PG/PC Network Card
Note: It is possible that for the following steps you may require admin rights to your PG/PC.
Start by opening the properties for your LAN connection.
For Windows¹ 7 and above you can access them as follows:
Start -> Control Panel -> Network and Sharing Center -> Change adapter settings
Open the Properties dialog box for the network connection that you want to use in
order to establish the LAN connection to the NETL ink®. To change your computer‘s
IP address, select „Internet Protocol (TCP/IP)“ and click on the „Properties“ button.
Quick Start Guide NETL ink® Ethernet Gateways
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Note: If your PG/PC is used in a network with proxy, it may be the case that you need to
deactivate the proxy server function in the conguration of your browser to be able to
establish a connection to the NETL ink®.
5. Establishing Access to the Integrated Web Interface
5.1 Save individual password in the NETLink®
When your PG/PC network card has accepted the new settings, start a browser
(Firefox, Chrome, Opera) and enter the IP address of the NETLink® in the address line
(URL) as follows: http://192.168.4.49.
As of NETL ink® rmware version 2.60, the user must dene an individual password
when calling up the web interface for the rst time. This must then be saved in
NETL ink®. The view shown on the right then appears.
In the delivery state, the default password consists of the last 8 Hex characters of
the device MAC address. This information is printed on the housing. Please note the
spelling as follows:
Example of MAC address: 00:06:71:19:1B:FC -> resulting password: 71191BFC
Note: The standard password „admin“ from older device versions may no longer be
used. The new password to be set by you may not exceed 8 characters and spaces are
not permitted.
Quick Start Guide NETL ink® Ethernet Gateways
8
5.2 Standard login in the web interface
To be able to establish a connection to the web interface, with future login proce-
dures the corresponding user name, depending on the version of the device, must
be entered as follows:
-700-881-MPI21 = NETLink PRO PoE
-700-882-MPI21 = NETLink WLAN
-700-884-MPI21 = NETLink PRO Compact
Note: In all cases, the details entered are case-sensitive!
5.3 Change the conguration via the web interface
The device name, the password, the IP address and the subnet mask of the adapter
can now be recongured and stored in the device for example on the conguration
page. The NETL ink® can then be accessed in the LAN network via an IP address
which is changed here.
Note: If you change this IP address, please note that you will have to change the address
space (subnet mask) for your computer accordingly. See also Chapter 4 on page 6. Once
you have made and saved changes in the device, the NETL ink® automatically restarts.
It should be noted that the user names/passwords which you adapt in this conguration
interface cannot be reset by a type of “master reset”. If it is no longer possible to access
the security-relevant pages of the web interface with the login data you normally use,
please contact our technical support.
Quick Start Guide NETL ink® Ethernet Gateways
9
5.4 WLAN conguration (only NETL ink® WLAN)
In the delivery state, the WLAN function is not active. This is activated under the
“WLAN Conguration” menu item. This is also where the network type is dened
and the security parameters are stored. The “Save Conguration” button is used to
permanently save the parameters in the NETLink® WLAN.
Further details are described in Chapter 7 starting on page 12.
5.5 Additional feature: Diagnostic function
The web interface has a diagnostic function implemented in it which can be accessed
via the status page.
It is important here for the adapter to be logged into the bus system. This can be
done via an engineering tool or with the “Go Online” button on the status page.
If the “Diagnostic Page” button is then activated, the recognized communication
parameters are listed or a status report is issued.
Quick Start Guide NETL ink® Ethernet Gateways
10
6. Integration of an NETLink® Adapter into the PG/PC
Interface of the Engineering Software
Please install the NETLink® S7 NET driver on your PG/PC from the enclosed CD or
download its latest version at www.helmholz.com.
Notes: For the TIA Portal2 as well, the general assignments must be carried out only on
the PG/PC interface (accessible via the Windows¹ Control Panel).
If you‘re using an old operating system (< XP SP3) you have to add the interface
„NETLink®-S7-NET PRO“ manually with an intermediate step during the installation.
Click the “New” button under the “Local Connection” tab to add the adapter. You
can enter the IP address and the name of the adapter manually or you can use the
integrated search function of the driver. To do this, click on the button “Search
NETL ink® PRO Family…”.
To integrate the NETL ink® into the PG/PC interface, select the interface Parameter
Assignment (MPI, PPI or PROFIBUS) and open the properties of “NETL ink® PRO
Family”.
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