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ISO Transport Connection
see ISO–on–TCP
Communication connection of the transport layer (with the CP/COM 143
previously S5S5 connection).
ISO transport connections allow program/event-controlled communication on
Industrial Ethernet between SIMATIC S7 PLCs and
S SIMATIC S7 PLC with Ethernet CP
S SIMATIC S5 with an Ethernet CP (e.g. CP 143 or CP 1430)
S PC/PG with Ethernet CP (for example CP 1413)
S Any system using the ISO transport protocol (ISO 8073)
The transfer of blocks of data on an ISO transport connection is bi-directional.
MAC address
Address to distinguish between different stations connected to a common trans-
mission medium (Industrial Ethernet).
Media Access Control (MAC)
Mechanisms for controlling access by a station to a common transmission me-
dium shared with other stations.
RFC1006
see ISO–on–TCP
S5S5 connection
see ISO transport connection
Subnet mask
The subnet mask specifies which parts of an IP address are assigned to the net-
work number (see ISO-on-TCP). The bits in the IP address whose corresponding
bits in the subnet mask have the value 1 are assigned to the network number.
Subnet number
A –> system consists of several –> subnets with unique subnet numbers.
SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06
Glossary
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