Omron DeviceNet Safety, Руководство по настройке системы

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Creating a Virtual Network Section 3-4
3-4 Creating a Virtual Network
To set device parameters and to program NE1A-series Controllers, create a
virtual network in the Network Configurator, set the device parameters in the
virtual network, and then download the parameters to the actual devices.
This section describes how to create a virtual network.
3-4-1 Creating a New Virtual Network
When the Network Configurator is started, a new virtual network can be cre-
ated.
Use one of the following methods to create a new virtual network.
1. Select File - New from the menu bar.
2. Click the New Button on the toolbar.
Alternatively, select Network - Add from the menu bar to add another new vir-
tual network.
Note When a new virtual network is created with unit version 1.6 @ or higher, the vir-
tual network information that was displayed until then will be deleted. If the
previous virtual network information is required, save the data before creating
a new virtual network.
3-4-2 Network Numbers
The DeviceNet Safety System can be used to build multiple networks. Net-
work numbers are used in combination with node addresses to specify unique
devices and confirm communicating nodes in this kind of multi-network config-
uration. This value is called a TUNID (Target Unique Network Identifier) and is
stored in the non-volatile memory of each device.
Setting TUNIDs
The TUNID is automatically set when parameters are first downloaded from
the Network Configurator to a device in out-of-the-box configuration. (See
note.)
Note “Out-of-the-box configuration” indicates the status when a reset-type device is
returned to its default status and restarted.
Users do not normally need to be aware of the existence of network numbers
because they can visually identify a device on the Network Configurator.
The default network number is automatically generated based on the date
and time the Network Configurator created the network configuration, but it
can also be specified by the user.
Cases Where the User Needs to Specify Network Numbers
The automatically generated network numbers will be sufficient when the Net-
work Configurator is used to set all the devices on the network. In the follow-
ing cases, however, the user must set a different network number for each
network.
1. When multiple Network Configurators are used to set individual devices:
When more than one Network Configurator is used to make settings on the
same network, the same network number must be set for each device.
2. When more than one type of setting software is used:
When setting software other than Network Configurator is used because
devices made by other manufacturers are being used, specify the same
network number with each type of setting software.