Perle Systems Sds4 Manuel d'utilisateur télécharger pdf (Page 284)

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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

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Perle Systems Sds4 Manuel d'utilisateur Page 284

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