VFD EtherNet/IP Option Card
Option Card Application Manual
33
4. There are three ways to get the IP address: Static IP, DHCP (Dynamic Host Configuration
Protocol) and BOOTP.
Static IP: IP address is pre-defined or manually modified.
DHCP: IP address is automatically updated by DHCP server.
BOOTP: IP address is assigned from BOOTP server.
Item Description
Static IP address, netmask and gateway are entered manually.
DHCP IP address, netmask and gateway are assigned by DHCP server.
BOOTP
Similar to DHCP. The difference is that the IP address assigned by server
has no lease time limit.
IP address is the device’s address on the network. Each device that connects to network
must have an IP address. Ensure that you use a correct IP address to avoid connection
failure and prevent other devices from disconnecting. Only a legitimate IP address setting
makes valid. For the setting of IP address, consult a network administrator. If you are not
sure the IP address, set 192.168.1.x (x=1–254) as IP address, and use default setting values
for netmask and gateway.
5. Timer Setting sets the connection duration, and starts to count at the last time when the host
computer sends commands. When the setting time has reached, the option card is
automatically disconnected to prevent idle connection from accumulating.
6. If communication cycle of the host computer is longer, such as once per ten seconds, and
will not be connected again when cycle time reaches, then set the connection duration longer
than communication cycle of the host computer. By doing so, you can prevent the option card
from disconnecting during communication waiting time. Communication of the host computer
should be connected again once disconnected.
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