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5-10 TCP/IP Ethernet Communications for the Series 90™ PLC User's Manual
–
May 2002 GFK-1541B
5
Before You Configure EGD Exchanges
Before you begin configuring EGD exchanges you will need to collect a considerable amount of
information about the PLCs in your system. It is a good idea to record this data so that when you
are ready to configure the exchanges in the PLC programming software, all pertinent information
will be easily found. The tables that follow represent one way of recording this information. Use
these tables or design your own method for recording the information outlined below.
Record Your EGD System Information
Determine for each PLC what data needs to be produced and consumed.
Make a list of the adapter names and IP addresses of the Ethernet Interfaces in the PLCs that
are being used to produce or consume the exchanges. (See the topic “Naming Conventions”
if these names have not already been configured.)
Determine whether you will identify EGD consumers using a Group ID, IP address, or
symbolic name.
If you choose to use symbolic names, you can use either local name table, DDP, or DNS
name resolution.
Local name table name resolution uses aliases configured locally in each producer PLC
in the
Name Resolution and Routing Table
Rack Operation in the PLC programming
software (if supported). If using aliases make a list of them.
DDP uses the adapter name of the remote Ethernet Interface for name resolution. The
adapter name of an Ethernet Interface is assigned in Module Configuration.
DNS name resolution uses a DNS server at which DNS names are configured. If using
DNS names, make a list of them. Note that DNS names must be different than the
adapter name configured for the Ethernet Interface and must be defined at the remote
DNS name server before use.
See “Name Resolution” in the chapter: “Network Administration Support” for more
information.
Define the exchanges of data you want to configure.
Make a list of the CCU device names used to connect to the producer and consumer PLCs.
(See the topic “Naming Conventions” if these names have not already been configured.)
CCU device names are the names used to identify the Ethernet Interface as configured in the
Communication Configuration Utility.
Use tables similar to the following to record this information.
Producer/Consumer Information for Entire EGD System – EXAMPLE
Ethernet Interface(s)Your Name
for the PLC
(Equipment
Folder Name)
PC Local
Producer
ID
Network
Adapter Name
CCU Device
Name
IP Address
PLC1 X X 0.0.0.1 PLC1_A PLC1_A 10.0.0.23
PLC1 X 0.0.0.1 PLC1_B PLC1_B 10.0.0.34
PLC2 X 0.0.0.2 PLC2 PLC2 10.0.0.41
PLC3 X X 0.0.0.3 PLC3 PLC3 10.0.0.50
P=Producer C=Consumer