Instructions ECL Comfort 210 / 310, communication description
5.3 Dynamic IP address
If the ECL 310 is connected to a router that uses a dynamic
Internet IP address, a Dynamic DNS (Domain Name System)
service can be used to make the installation addressable from
a URL name in stead of an IP address. E.g.
“my_ecl_installation.com” instead of “193.162.34.195”.
Several companies provide dynamic DNS services. Searching
the internet for dynamic DNS providers can result in these
lists among others:
http://www.technopagan.org/dynamic/
http://www.dmoz.org/Computers/Internet/Protocols/DNS
/DNS_Providers/Dynamic_DNS/
5.4 Ethernet network example
The following figure shows a more complex example of a
possible network installation. The example also shows the ECL
485 installation for master/slave function.
The installation is separated into two different groupings,
which could represent two different building blocks with a
single centralized Internet router.
Building 1
Building 2
Router/firewall
Switch
ECA 1
ECA 2
ECA 3
ECL 1 ECL 2
ECL 3
ECL 4 ECL 5
Local connection
Administration office
Remote connection
Internet
Figure 5-1: Example of an ECL 485 network where some of the controllers are connected to the internet
Danfoss District Energy VI.LG.V3.02 DEN-SMT/DK
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