5
vacon • 21 Programming
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5.4 Modbus TCP parameter descriptions
5.4.1 Ethernet common settings
P5.8.1.1 IP
ADDRESS MODE
Selectable alternatives are DHCP (Dynamic Host Configuration Protocol) and Fixed.
DHCP protocol gives IP addresses to new devices connecting to local network. This address is
valid for a certain period of time. If no DHCP server is found an automatic random IP is given.
A fixed IP address is specified manually and it does not change.
When the mode is changed from DHCP to Fixed the addresses will read
IP: 192.168.0.10
Subnet mask: 0.0.0.0
Default gateway: 0.0.0.0
P5.8.1.2 IP ADDRESS
An IP address is a series of numbers (like above) specific to the device connected to the Inter-
net.
P5.8.1.3 S
UBNET MASK
The network mask marks all the bits of an IP address for the identification of the network and
the subnetwork.
P5.8.1.4 D
EFAULT GATEWAY
Gateway address is the IP address of a network point that acts as an entrance to another net-
work.
P5.8.1.5 MAC
ADDRESS
The MAC address of the control board.
MAC address (Media Access Control) is a unique address given to each network host. It is not
editable.
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