T H E M O D E R M - B U S T E C H N O L O Y
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6.1.1
Ethernet Settings
PiiGAB M-Bus 900 can be set to static IP or dynamic IP address. This is done in
Configuration->Ethernet Settings.
6.1.2
DNS name
The gateway contains a DNS name from production that consists of gateway type and serial
number. See below for example
Pii900S/T-serial number
Example: Pii900S/T-16777360
6.1.3
Dynamic (DHCP) configuration
Figure 6-2
PiiGAB M-Bus 900S/T is always delivered set to a dynamic configuration. This is found easiest by
connecting the gateway to a DHCP server, see chapter 5.1. When you have a dynamic IP
address setting there is no need for additional settings since IP-address, netmask, gateway and
DNS-server are obtained by the DHCP server. When the gateway have got this information it
can be shown in the web interface.
When changes are made to the configuration the user needs to save this by pushing ”Save
Ethernet Settings”
In case the gateway doesn’t receive IP settings by the DHCP server it will receive a randomized
IP address after 60 seconds. The IP-address received by the gateway is between 192.168.10.3
–
192.168.10.253. The gateway needs to be restarted in order to retry to receive an IP-address
from the DHCP server. This is done by going to the Administration page and push ”Reboot”
or
disconnect the power to the gateway.
The DNS server is not set at randomized IP. Random IP is only an option if you need to set the
PiiGAB M-Bus 900S/T and do not have access to a DHCP server
6.1.3.1
Randomized IP-fallback
The gateway can be set to
inactivate randomized IP (“Set/Unset), however at delivery the
randomized IP is active (Set). To
press the button ”Set/Unset”
the randomized function can be
inactivated. Due to this the gateway will always ask the DHCP server for an IP address. There is
an advantage to set the gateway to Unset if you want it to be run with DHCP. The reason for
this is for it not to go to randomized IP and loose contact with the DHCP server in case the
network goes down or the voltage gets disconnected.
6.1.3.2
Startup times
At the start the gateway will try to ask for a DCHP server for 60 seconds before it goes to
randomized IP.
If the gateway is set to Randomized IP Unset it will control that an IP address is registered in
the gateway every ten minutes. If there is not an IP address registered the gateway will try to
reach the DHCP server to obtain a new one.