Chapter 4. Configuration54 PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224QConfiguring Ethernet Global DataFor more information about Ethernet Global Data, see Chapter 5Ethernet Global Data can be configured in two ways. The most convenient way is to use the Ethernet GlobalData server that is provided with the PLC programming software. This server holds the EGD configurations forall the devices in the EGD network. When the Configuration Server is used, the EGD configuration for the entireEGD network can be validated for accuracy before the configuration is stored into the devices of the network.This can greatly decrease the time needed to commission a network or implement changes in a network.EGD exchanges can also be configured without using the server. Both methods are described in this chapter.The choice of whether to use the Configuration Server can be made individually for each device.Note: Some items in this discussion do not apply to Ethernet network interface units when usingENIU templates. For configuration of EGD with ENIUs, refer to the PACSystems RX3iEthernet NIU Manual, GFK-2439.Basic EGD ConfigurationWhether or not the EGD Configuration Server is used, certainsteps will need to be taken to use EGD. These steps aredescribed below.If Ethernet Global Data does not appear as shown, right-clickthe PLC icon (PLC1 in this example). Select ‘AddComponent’ and then select ‘Ethernet Global Data’.For each PLC:1. In the PLC programming software, open the Projectfolder and expand the target node for the PLC.Figure 28: Expand Node to View EthernetGlobal Data2. To configure the Local Producer ID, right-click theEthernet Global Data node and choose Properties. TheLocal Producer ID is shown in the properties Inspectorwindow. This parameter must be unique on the network.The Local Producer ID is a 32-bit value that uniquelyidentifies this Ethernet Global Data device across thenetwork. It can either be expressed as a dotted-decimal valuein the same way an IP address value is specified or specifiedas an integer. It is recommended that this value be set to theaddress of the Ethernet Interface with the lowest rack/slotlocation in the system. The same Producer ID applies to allexchanges produced by this CPU, regardless of whichEthernet Interface is used to send the exchange to thenetwork. Figure 29: Local Producer IDWhile the form of the Producer ID is sometimes the same as that of an IP address and an IP address is used asits default value, the Producer ID is not an IP address. See Chapter 5, “Ethernet Global Data,” for moreinformation on how the Producer ID is used.EGD Configuration for Redundancy SystemsFor exchanges that are produced in backup mode, an offset must be added to the Exchange ID. This ensuresthat the Exchange ID is unique for those exchanges that are produced simultaneously by the active andbackup controllers.
