FLUKE 1743/1744/1745 Memobox – Power Quality Loggers

FLUKE 1743/1744/1745 Memobox – Power Quality Loggers
FLUKE 1743/1744/1745 Memobox – Power Quality Loggers
Communication via cellular networks
1
Principle of Operation _________________________________________________________ 2
1.1
Overview ______________________________________________________________________ 2
1.2
Dynamic DNS __________________________________________________________________ 3
2
Required Equipment __________________________________________________________ 4
3
Configuration________________________________________________________________ 4
4
5
3.1
Gateway: Insert SIM card and connect hardware ____________________________________ 4
3.2
Get provider name and connection parameters_______________________________________ 4
3.3
Configure Digi Connect WAN 3G__________________________________________________ 5
3.4
Install RealPort _________________________________________________________________ 8
3.5
Verify RealPort Settings in Device Manager _________________________________________ 9
3.6
Test Communication ___________________________________________________________ 11
Configuration of DynDNS ____________________________________________________ 12
4.1
Create a new account on www.dyndns.com _________________________________________ 12
4.2
Add host name ________________________________________________________________ 12
4.3
Configure Digi Connect WAN 3G for DynDNS update _______________________________ 14
4.4
Add RealPort Driver for Communication via Cellular Network________________________ 15
Test communication with Fluke 174x____________________________________________ 17
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1 Principle of Operation
1.1 Overview
A well known dial-up modem connection works like a land-line telephone connection where one
modem is required both on the local side and the remote side. One modem calls the phone number
of the remote side to establish a connection.
Using this method, wireless modems would operate in the voice channel which means:
• Throughput is very slow
• Airtime is expensive
A modern way of a communication via cellular networks is shown in figure 1.
Gateway
RS232 Cable
PC
Fluke
174x
Figure 1
In this case the analysis PC and the measurement equipment establish a connection to the Internet.
Advantages:
• No modem required on PC side.
• High-speed data transfer
• Connection costs are based on the amount of transferred data and not on time consumed.
Disadvantages:
• Without any precautions the PC and the gateway are visible in the Internet.
• Cellular network providers usually assign dynamic IP addresses to their clients. So it can
happen that each time the gateway establish a connection to the Internet it obtains a different
IP address.
In case of a connection to the Fluke 174x the PC is initiating the connection and has to know
the IP address of the gateway on remote side.
To deal with the disadvantage of dynamic IP addresses there are two possibilities:
• Use special SIM cards which offer a static IP address.
Examples of companies who offer these SIM cards are: Wyless, Mdex or WhiteSIM
• Use the service of Dynamic DNS (www.dyndns.com). See description below of how to set up
this service
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1.2 Dynamic DNS
The free DynDNS dynamic DNS (Domain Name System) service allows users to have a subdomain
that points to a device connected to the internet with regularly-changing IP addresses. An update
client installed on the user's computer, or built into a networked device such as a router or webcam,
generally keeps the hostname up to date with its current IP address.
The gateway regularly updates the associated IP address of a user defined name on the DynDNS
server (figure 2). With this procedure the gateway can be accessed by either its IP address (which is
normally not known) or the name (figure 3).
Gateway
1.) Obtain IP Address
e.g. 65.55.21.250
RS232 Cable
Cellular Network
Provider
2.) Update DynDNS
associate fluke.dyndns.com
with IP address 65.55.21.250
Fluke
174x
Internet
DynDNS
fluke.dyndns.com:
IP address 65.55.21.250
Figure 2
PC
1.) What is the IP address of
fluke.dyndns.org?
DynDNS
2.) fluke.dyndns.org: 65.55.21.250
Figure 3
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2 Required Equipment
ƒ
ƒ
174x
Cellular Gateway
Vendor: Digi (www.digi.com)
Part: Digi Connect WAN 3G
Choose one of following models for the desired region/provider:
Part No.:
DC-WAN-E309-W (international)
DC-WAN-T301-A (US generic)
DC-WAN-T302-A (US, AT&T)
ƒ
SIM Card
1. Get a SIM card from your preferred cellular network provider
(Requires service from DynDNS)
2. Use SIM card from one of the following companies:
Wyless, Mdex oder WhiteSIM
ƒ
RS232 Cable (shipped with 174x)
3 Configuration
3.1 Gateway: Insert SIM card and connect hardware
Follow the Quick Start Guide sheet shipped with the gateway
3.2 Get provider name and connection parameters
•
•
Ask your cellular phone provider for details (APN, username and password)
or
Go to internet sites with a list of providers around the world
(e.g. http://www.quickim.com/support/gprs-settings.html)
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3.3 Configure Digi Connect WAN 3G
ƒ
Enter http://192.168.1.1 in the URL address bar of your preferred internet browser
Figure 4
Note: If instead of the web site an error message appears please check of a correct assigned IP
address:
o Press the Start icon
o Click on Run
o Enter cmd
o In command window enter ipconfig followed by the <ENTER> key
o
The Ethernet adapter should have an IP address starting with 192.168.1.xxx. If it is
different from this (like 169.254.xxx.xxx) unplug the Ethernet cable and wait some few
seconds before reconnect the cable again.
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Click on Configuration – Mobile and enter the parameter for the cellular provider.
In this example:
Service Provider: European/EMEA Providers
Service Plan: A1.net
Username: gprs@a1plus.at
Password: [blank]
PIN: [blank]
Figure 5
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ƒ
ƒ
ƒ
ƒ
ƒ
Note: Please be careful when the PIN is enabled on your SIM card. If the log-on fails (e.g.
the PIN code is wrong) the gateway retries the log-on several times. Typically after the third
attempt the PUK code is required. If you think that the log-on parameter are correct and it
still fails check the SIM in a mobile phone.
Click Apply button
A successful link is indicated a green lighting LED labeled with LINK and 1 to 5 LEDs
according to the signal strength.
Check Internet Connection:
Disconnect the Ethernet cross-over cable and reconnect it. This will reestablish the Ethernet
connection by assigning a new IP address through the DHCP server
To verify the Internet connection, enter a website of your choice (e.g. www.digi.com) in the
URL address bar of the Internet browser and press <Enter>. Connecting to a website
indicates the connection is working.
Click on Configure – Serial Ports
Click on Port 1
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Figure 6
ƒ
Click on radio button RealPort and confirm with Apply
Figure 7
Note: If the Gateway is already configured for a profile a window appears as shown in Figure
8. Click on Change Profile to continue with the configuration shown in Figure 7.
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Figure 8
3.4 Install RealPort
ƒ
ƒ
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Download RealPort driver from Digi website
(http://www.digi.com/support/productdetl.jsp?pid=1916&osvid=57&tp=1&s=12)
Connect Ethernet cross-over cable (shipped with Digi gateway) to the PC and gateway and
power the gateway.
Run setup.exe
Select device with IP address 192.168.1.1 in the list
Figure 9
ƒ
Compare the parameters of the next window with the figure below. Note: The starting COM
port may differ.
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Figure 10
ƒ
Press Finish to complete installation process.
3.5 Verify RealPort Settings in Device Manager
If the port number is not known you can get the information in the device manager:
ƒ In Windows click Start – Run
ƒ Enter devmgmt.msc and click OK
ƒ Look for Multi-port serial adapters and click on the entry Connect WAN 3G.
Direct connection vie Ethernet
Cellular network connection (setup described in chapter 4.4)
ƒ
Open text sensitive menu by clicking with the right mouse button on this entry and choose
Properties
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ƒ
Go to Advanced tab and choose Properties
ƒ
A list is shown with the used COM port. Select this port number in PQLog (see details in
chapter 5)
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ƒ
It is recommended to activate the Encrypt Network Traffic checkbox.
3.6 Test Communication
See chapter 5 how test the communication with Fluke 174x Memobox.
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4 Configuration of DynDNS
4.1 Create a new account on www.dyndns.com
DynDNS offers a free dynamic DNS which is supported by Digi Connect WAN 3G gateway.
Restrictions of free account:
ƒ Number of hostnames (number of devices): 5
ƒ Account automatically expires after one month of inactivity
With a small annual fee ($ 11.50 as of 09/2008) the account can be upgraded to 25
hostnames and removes the 30 day update requirement
4.2 Add host name
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Login with the DynDNS account name and password
Click on My Services and on Add Hostname
ƒ
Assign a proper name
e.g. Device_Serialnumber.dyndns.org
ƒ
In our example it is:
r1745_r875915.dyndns.org (dyndns.org can be chosen in the drop-down list)
Enter IP address
The quickest way is to use the auto detect IP assignment (even if the IP address is not
correct because it is the IP address of the PC)
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ƒ
Click on Create Host
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4.3 Configure Digi Connect WAN 3G for DynDNS update
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In Internet browser enter 192.168.1.1 in the URL address bar
Click on Configuration – Network
ƒ
Click on Dynamic DNS Update Settings
o Enable Use DynDNS.org service
o Enter hostname
o Enter DynDNS account name and password
o Set DynDNS DDNS System to Dynamic DNS
o Keep the default setting of Use Wildcards to No change to service setting
o Connection Method has to set to Standard HTTP port 80
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o
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Click on Apply button
A status of DynDNS update can be found in the event loggings (menu Management – Event
Logging).
4.4 Add RealPort Driver for Communication via Cellular Network
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Run setup.exe of RealPort driver installation (see chapter 3.4)
Select Add new Device
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Select Device not listed
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Enter a descriptive name in field Device Model Name
In frame Network settings select DNS and add the hostname configured in DynDNS
Select 1 in No. of Ports. The installer automatically detects the next free COM port which is
COM 6 in this example.
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5 Test communication with Fluke 174x
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Connect the Fluke 174x Memobox with the Digi gateway using the red serial cable.
Start PQLog
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Click menu Settings – General
Choose serial port of RealPort (shown during RealPort installation or in device manager, see
chapter 3.5)
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Click OK
Open Logger info window (click on Info about Logger)
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If the window pops up the communication works!
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If an error message appears it is likely working after closing all connections to the gateway:
o In web site click on Management – Connections
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o
Select all available connections and press Disconnect
o
Try to connect to Fluke 174x again.
Fluke. Keeping your world up and
running.
Fluke Corporation
P.O. Box 9090
Everett, WA USA 98206
Web: www.fluke.com
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
Web: www.fluke.eu
For more information call:
In the U.S.A. (800) 443-5853
or Fax (425) 446 -5116
In Europe/M-East/Africa +31 (0)40 2 675
or Fax +31 (0)40 2 675 222
In Canada (905) 890-7600
or Fax (905) 890-6866
From other countries +1 (425) 446 -5500
or Fax +1 (425) 446 -5116
Pub-ID: 11556-eng
© Copyright 2009 Fluke Corporation. All
rights reserved. Printed in the
Netherlands 06/2009. Data subject to
alteration without notice.
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