1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

608 Protocol ConfigurationApplying DF1 Radio Modem ProtocolNote 1 – The link layer of Node 1 blocks the re-transmission of a packet that is received with the SRC byte equal to thereceiving node’s station address. Packets received that originate from the receiving node should never be re-transmitted.Note 2 – To prevent Node 2 from re-transmitting a duplicate packet, the link layer of Node 2 updates the duplicate packettable with the last 20 packets received.Note 3 – The link layer of Node 4 blocks the re-transmission of a packet that is received with the SRC byte equal to thereceiving node’s station address. Packets received that originate from the receiving node should never be re-transmitted.Note 4 – To prevent Node 3 from re-transmitting a duplicate packet, the link layer of Node 3 updates the duplicate packettable with the last 20 packets received.If you are using RSLogix 500/RSLogix Micro version 7.00.00 or higher,you can view the store & forward table by clicking on “Processor Status”and then selecting the tab for the DF1 Master channel.Example Store & Forward TablePublication 1766-RM001A-EN-P - October 2008