Glossary
CP 343-1 ERPC
88 Manual, 03/2010, C79000-G8976-C239-02
MPI
Multi Point Interface. Multipoint interface for SIMATIC S7
Multicast
A frame intended for the nodes in a network prepared to receive frames with the multicast
address.
National Electrical Code (NEC)
UL directive for laying cables in buildings
NCM S7 for Industrial Ethernet
Configuration software for configuration and diagnostic functions on an Ethernet CP
Network
A network consists of one or more interconnected subnets with any number of nodes.
Several networks can exist side by side.
Network ID
Network ID of the subnet: Based on the network ID, the router recognizes whether a target
address is inside or outside the subnet. See also "Subnet".
OP
Operation Panel, device for operator control and monitoring
Open communication services
Communication services that allow non device dependent data exchange based on TCP
communication via Industrial Ethernet.
Open communication services are, for example, access in SIMATIC S7 via the
SEND/RECEIVE interface.
PG
Programming device
PG operation
A mode of the PROFIBUS/Ethernet CP in which the SIMATIC S7CPU is programmed,
configured or diagnosed over PROFIBUS/Ethernet. This mode is handled by the S7
functions.