RSTI-EP PROFINET I/O Controller User Manual
Section 1
GFK-2571R
May 2021
Introduction
26
IOD
PROFINET IO-Device
IOCR
Input Output Communication Relationship
–
describes the type
(input/output) and amount of I/O data to be transferred, the sequence of the
transfers and the transfer cycle between a PROFINET IO-Controller (or
IO-Supervisor) and a PROFINET IO-Device.
IOCS
PROFINET Input/output Consumer Status is transmitted on the PROFINET
network to provide feedback on Input Data for an IO controller and Output
Data for an IO device.
IOPS
PROFINET Input/output Provider Status is transmitted on the PROFINET
network to provide feedback on Output Data for an IO controller and the
Input Data for an IO device.
IOxS
PROFINET abbreviation for the IOCS and/or IOPS (see above).
LLDP
Link Layer Discovery Protocol. IEEE standardized protocol used by network
devices to advertise their identity and capabilities.
LLDPDU
Link Layer Discovery Protocol Data Unit.
MAC
Media Access Control address (MAC address)
MAU
Medium Attachment Unit
MIB
Management Information Basis
MRC
Media Redundancy Client. Within Media Redundancy Protocol, an MRC is
responsible for helping the MRM detect breaks/no breaks in the ring.
MRM
Media Redundancy Manager. Within Media Redundancy Protocol, an MRM is
responsible for ensuring that the ring does not have a closed loop, while
simultaneously ensuring maximal connectivity between nodes on the ring.
MRP
Media Redundancy Protocol. An Ethernet protocol that provides redundant
paths for PROFINET-IO cyclic traffic by supporting a ring topology.
Multicast
In Ethernet, the transmission of a network message to all hosts within a host
group.
NOS
Name of Station
OID
Object Identifier
Phase
If the IOCR Update Period is greater than the Send Clock time, the Update
Period is divided into multiple phases where each phase is equal to one Send
Clock.
PNC
PROFINET Controller: Typically, the generic PROFINET Controller function.
PNC001 represents a slot-mounted product (IC695PNC001). Embedded
PROFINET Controllers may be configured on LAN2 for CPL410, CPE400,
CPE330, and CPE100/CPE115. Both embedded and slot-mounted perform
the same functions on the PROFINET network, but there are differences to be
noted in installation, configuration, operation, and performance.
PNS
PROFINET Scanner. Head-end module that controls I/O in rack and
communicates with PROFINET network. Both RX3i (IC695PNS001) and
VersaMax (IC200PNS001, IC200PNS002) modules are discussed in this
manual.
Содержание PACSystems RX3i
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