Technical Data
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netTAP NT 50 | Gateway Devices
DOC091202UM09EN | Revision 9 | English | 2013-02 | Released | Public
© Hilscher, 2010-2013
9.2.5 PROFINET
IO-RT-Device
Parameter
Description
Maximum number of cyclic input data
1024 bytes
Maximum number of cyclic output data
1024 bytes
Supported protocols
RTC – Real Time Cyclic Protocol, Class 1 and 2 (unsynchronized)
RTA – Real Time Acyclic Protocol
DCP – Discovery and configuration Protocol
CL-RPC – Connectionless Remote Procedure Call
LLDP – Link Layer Discovery Protocol
SNMP – Simple Network Management Protocol
Used Protocols (subset)
UDP, IP, ARP, ICMP (Ping)
Topology recognition
LLDP, SNMP V1, MIB2, physical device
VLAN- and priority tagging
yes
Context Management by CL-RPC
Supported
Minimum cycle time
1 ms
Baud rate
100 MBit/s
Data transport layer
Ethernet II, IEEE 802.3
Limitations
No acyclic user data transfer
RT over UDP not supported
Multicast communication not supported
Only one device instance is supported
DHCP is not supported
RT Class 2 synchronized (IRT 'flex') is not supported
RT Class 3 is not supported
FastStartUp is not supported
Media Redundancy is not supported
Access to the submodule granular status bytes (IOPS & IOCS) is not
supported
The amount of configured IO-data influences the minimum cycle time
that can be reached.
Supervisor-AR is not supported, Supervisor-DA-AR is supported
Only 1 Input-CR and 1 Output-CR are supported
Multiple WriteRequests are not supported
Reference to stack version
V3.4.x.x
Table 56: Technical Data PROFINET IO RT Device Protocol
