ITC Operating mode
5.5 Assigning device parameters
ITC V3, ITC V3 PRO
Operating Instructions, 03/2024, A5E42761061-AF
93
Specify network parameters
You assign the network parameters either statically or dynamically:
• If "Assign IP address automatically (DHCP)" is not selected, assign a valid static IP address,
subnet mask, and default gateway.
• You can also use the "Assign IP address automatically (DHCP)" option to specify that the
network parameters will be assigned dynamically by the DHCP server and are therefore
not available for assignment (grayed out).
Before an IP address is assigned, a check is made to determine whether a device with this
IP address already exists in the network. If so, an error message is appears and the address
is not assigned. Assign an individual IP address to each device.
The subnet mask specifies the maximum number of nodes, e.g., "255.255.255.0".
If a subnet mask is invalid, an error message appears and the subnet mask is not assigned.
Assign a valid subnet mask.
Activate a PROFINET service under "Enable LLDP" (Link Layer Discovery Protocol) that
identifies the Industrial Thin Client in the network as such. If other network components also
make their identity known, the management station, such as STEP7, can then detect the
network topology automatically.
Assign network parameters dynamically
The following applies only if the "Assign IP address automatically (DHCP)" option is selected.
The device has two features that identify it uniquely. Under "Device identification (DHCP)",
you specify the identification feature that the DHCP server uses to identify the device:
• If you select "Device name", the DHCP server identifies the device based on the name
stored in the "Device name" field of the system settings, see section "The "System"
submenu (Page 87)". If configured correspondingly, the DHCP server searches for the
device name in its configuration file and transfers the network settings stored there to the
Industrial Thin Client.
• If you select the most common identification parameter "MAC address", the DHCP server
identifies the device on the basis of its MAC address.
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