GEN7iB
143
INTERFACE/CONTROLLER
INTERFACE/CONTROLLER
11
11.2.1 Network protocols and ports
All tethered GEN DAQ series mainframes use Ethernet protocols to communicate with
the controlling PC. The following table gives an overview of the used protocols, ports,
packet sizes and frequency of use on the network.
General TCP/IP IPv4 with standard Ethernet V2 fames (MTU = 1500 bytes) is used.
Specicprotocolsareusedfor:
Network protocols and ports
Mainframe Identify
Protocol UDP (broadcast and directed)
Used ports 8004 (PC to mainframe) and 8005 (mainframe to PC)
Data size Variable (<=1016 Bytes)
Frequency When powering on / powering off / rebooting a mainframe
When starting Perception
Up to about 10 UDP frames each time, in both directions
More info Packets have “PLAZADGRAM” at the start of the data area
Network Discovery Protocol
Protocol Multicast
Used IP addresses 239.255.77.76 and 239.255.77.77
Used IP ports 31419 (PC to mainframe) and 31418 (mainframe to PC)
Data size Variable (< 2000 Bytes)
Frequency When starting Perception
When selecting Scan for Mainframes in Perception
Mainframe communication
Protocol TCP
Used ports Connecting to Port 8003
Data size Variable within MTU size
Data rate Depending on storage speed, Ethernet Link speed and limited by net-
work bandwidth. Currently maximum 120 MB/s on 1 Gbit Ethernet and
250 MB/s on 10 Gbit Ethernet ports.
Other protocols
ARP, DNS When supported on the network setup
DHCP, AutoIP When enabled on this mainframe
iSCSI Default port: 3260
PTP v2, End-to-End, 1 sync per second
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