Microbit RRC-1258 MkII(s) Manual de usuario descargar pdf (Pagina 23)

113

Internet Remote Operation

Web Switch

The clever little Web Switch 1216H from the same

manufacturer can be seen in Fig 9.3. I say ‘clever’, as

it can not only switch five relays at 240VAC 5A, it can

also read temperature (rig or ambient) on two of its

inputs if Dallas DS18B20 sensors are attached.

The Web Switch is an item of equipment that

needs to be powered on all the time, as it provides the

FQDN to the Internet where you can log in and switch

relays on and off or read the current temperature.

On the left side of Fig 9.3 is the network cable

which is connected to the hub, and then to the

router. On the bottom right side is a 9V DC supply

and the twisted wire is connected to Relay 2, the

cable which when shorted switches the K3 on. Relay

1 is used to switch the mains side of the PSU, but is not shown in the

photo. In Fig 9.4 you can see that the PSU and the radio are on.

Setting up the Web Switch

The Web Switch is set up in the same way as the controllers, via the

mini USB port at the side of the unit. All that is required is an IP

address to get you started. I used 192.168.2.202.

Once connected, using your web browser on port 80 through your

Local Area Network, you then need to change the port number to 8090

for remote administration. At the same time a username and password

should be added. The menus are found on the left hand side.

The home end needs to know the IP address of the remote end,

so a FQDN needs to be inserted into one of the setup fields. You can

make one up from the web site www.dyndns.com It will look some-

thing like ‘remote.dyndyns-net.org’ where, when you type this into

your browser, this address will find the remote station on the Internet.

The Web Switch will

then send every 30

minutes (this is

configurable) to the web

site www.dyndns.com a

request, and the web

site will then do a

reverse lookup on the

remote end IP address

and resolve the FQDN

‘remote.dyndyns-

net.org’ to numbers

Fig 9.4: Web

Switch relay

status page.

Fig 9.3: The

Microbit 1216H

Web Switch.

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