PLC Link6-26.1 Operation of PLC link MEWNET-W06.1.1 Overview of PLC Link Operation “Link relays (L)” and data registers “link registers (LD)” are shared between the connectedPLCs. If the link relay contact for one PLC goes on, the same link relay also goes on in each of theother PLCs connected to the network. Likewise, if the contents of a link register are rewritten in one PLC, the change is made in thesame link register of each of the other PLCs connected to the network.PLC PLC PLC PLCRS485No.1 No.1 No.1No.2 No.2No.3No.3No.3No.2(Station no.1) (Station no.2) (Station no.3) (Station no.4)Send areaSend areaSend areaReceive areaReceive areaReceive areaReceive areaReceive areaPhone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
