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14 RX3i Ethernet Interface Module IC695ETM001-HV IPI
GFK-2332W February 2016
Ethernet Operational Notes
Subject Description
Configuration of IP Address is
required before using Ethernet
communications
The Ethernet Interface cannot operate on a network until a valid IP
address is configured. The Ethernet addressing information must be
configured prior to actual network operation, or to recover from
inadvertent changes to the Ethernet addressing data at the Ethernet
Interface. Use one of the following methods to initially assign an IP
address:

Connect a serial terminal to the Interface’s Station Manager port.
Then use the CHSOSW command to enter the desired IP address. For
details, see PACSystems TCP/IP Communications Station Manager
Manual, GFK-2225.

Temporarily assign an IP address to the module using the SetIP tool
over the Ethernet network. For details, see TCP/IP Ethernet
Communications for PACSystems
, GFK-2224.

The Ethernet Interface automatically obtains a temporary IP Address
from a BOOTP server on the network. For details, see TCP/IP Ethernet
Communications for PACSystems,
GFK-2224.
Once a temporary IP address has been set up, the Ethernet Interface can
be accessed over the network (by the Machine Edition programming
software). The programmer should then be used to configure the proper IP
address for the Ethernet Interface.
Default IP address (0.0.0.0)
attempts to set IP address
via BOOTP
The default IP address value (0.0.0.0), whether obtained from HW
Configuration or backup configuration, causes the Ethernet Interface to
request a temporary IP address from a BOOTP server device on the
network.
LAN must be tree, not ring The two Ethernet network ports on the PACSystems RX3i Ethernet
Interface must not be connected, directly or indirectly, to the same
network device. The hub or switch connections in an Ethernet network
must form a tree and not a ring; otherwise duplication of packets and
network overload may result. In this situation, the RX3i Ethernet modules
will continually reset.
Reporting of duplicate IP
address
The PACSystems RX3i does not log an exception or a fault in the Controller
Fault Table when it detects a duplicate IP address on the network.
Multiple zero period EGD
exchanges may not produce
similar numbers of samples
If more than one EGD produced exchange is configured for a production
period of zero, the exchanges may not produce similar numbers of
samples. Due to the way that scheduling occurs when multiple
exchanges are scheduled “as fast as possible”, some zero period
exchanges may produce significantly more samples than others. For more
consistent EGD production, configure the produced EGD exchanges with
non-zero production periods.
Changing IP address while
SRTP connection open may
generate log events
Open SRTP Server connections established with a remote SRTP client are
not terminated as expected when the RX7i’s IP address is changed
(typically by storing a new HW Configuration to the RX7i). A Series 90 SRTP
client (“SRTP channels”) reports either a 9690H or 0190H status; the SRTP
connection may remain open until the connection is terminated as a result
of a client timeout. Please refer to
Open Ethernet Problems,
Internal
Problem ID Code CR-1434 for more information.
Series 90-30 datagram
restrictions
Series 90-30 – format datagrams are supported, but cannot access %P or
%L memory.