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Channels
Adding/Editing Additional Hosts
You can define a list of hosts that the I/O channel will communicate to or a primary/backup host.
Configure the following parameters:
Adding/Editing a Multihost Entry
When you click the Add or Edit button, the Host Entry window appears. The hosts in the multihost
list must already be defined (see
Host Table to learn how to create a host). If you add a host that was
defined with its fully qualified domain name (FQDN), it must be resolvable by your configured DNS
server.
Configure the following parameters:
Define additional
hosts to connect to
When this option is enabled, you can define up to 49 hosts/IOLANs that the
I/O channel or serial signal pin will attempt communicate to. With this mode of
operation, the I/O channel will connect to multiple hosts/IOLANs
simultaneously.
Default: Enabled
Add Button Click the Add button to add a host to the list of hosts that will be receiving
communication from the I/O channel or serial signal pin.
Edit Button Highlight an existing host and click the Edit button to edit a host in the list of
hosts that will be receiving communication from the I/O channel.
Delete Button Click the Delete button to delete a host to the list of hosts that will be receiving
communication from the I/O channel or serial signal pin.
Define a primary
host and backup...
When this option is enabled, you need to define a primary host that the I/O
channel will communicate to and a backup host, in the event that the I/O
channel loses communication to the primary host. The I/O channel will first
establish a connection to the primary host. Should the connection to the
primary host be lost (or never established), the I/O channel will establish a
connection the backup host. Once connected to the backup, the I/O channel will
attempt to re-establish a connection to the Primary host, once this is
successfully done, it gracefully shuts down the backup connection.
Default: Disabled
Primary Host Specify a preconfigured host that the I/O channel or serial signal pin will
communicate to.
Default: None
TCP Port Specify the TCP port that the I/O channel or serial signal pin will use to
communicate to the
Primary Host.
Default: 2000 for channel 1, then increments by one for each channel
Backup Host Specify a preconfigured host that the I/O channel or serial signal pin will
communicate to if the I/O channel cannot communicate with the
Primary Host.
Default: None
TCP Port Specify the TCP port that the channel or serial signal pin will use to
communicate to the Backup Host.
Default: 0
Host Name Specify the preconfigured host that will be in the multihost list.
Default: None