SEW-Eurodrive DHR41B, Руководство пользователя

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Manual – MOVI-PLC® advanced DHR41B for EtherNet/IP, Modbus/TCP and PROFINET IO
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13
Glossary
Appendix
13.4 Glossary
Term Meaning
DHCP D ynamic H ost C onfiguration P rotocol.
Allows you to allocate an IP address and additional configuration parameters for automa-
tion components in a network via a server.
TCP T ransmission C ontrol P rotocol.
Acknowledged connection-oriented transport protocol.
UDP U ser D atagram P rotocol.
Non-acknowledged, connectionless transport protocol.
IP I nternet P rotocol.
Protocol for data transport in the Internet.
IP address An IP address consists of 32 bits divided into four so called octets containing 8 bits each for
the sake of clarity. These values are displayed as four decimal numbers separated by
points, for example, "192.168.1.1". An IP address is subdivided into the network section
(net ID) and the node address (host ID)
Subnetwork
mask The subnetwork mask establishes which part of the IP address is used to address the net-
work and which part is used to address a station (host). All bits set to 1 in the subnetwork
mask represent the network part (net ID); all bits set to 0 represent the node address (host
ID). In a class B network, for example, the subnetwork mask is 255.255.0.0; that is, the first
two bytes of the IP address identify the network.
Standard
gateway IP address of the station in the subnetwork that establishes a connection to other networks.
Client Application that uses the services from another computer.
Example: A process data master uses a service from the DHR41B option for cyclical data
exchange.
Server Application on a computer that offers services to other computers.
Example: The DHR41B option offers the service for cyclical process data exchange to a
process data master.
Broadcast A broadcast is a transmission to all stations within a distribution list or network.
STP S hielded T wisted P air .
UTP U nshielded T wisted P air .