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Silver Series Installation and Operation Manual, Rev B ... - Watlow

Silver Series Installation and Operation Manual, Rev B ... - Watlow

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26 <strong>Silver</strong> <strong>Series</strong> Programming <strong>Manual</strong>Connecting multiple PLC/controllers serially using daisy chainingThe RS485 4-wire <strong>and</strong> RS485 2-wire communications ports of the HMI5000 <strong>Series</strong> family support multi-dropconnections. A daisy-chain connection is made from the HMI to the first PLC/controller, <strong>and</strong> then from the firstPLC/controller to the second <strong>and</strong> so on (see below). The network may need biasing resistors – refer to thePLC/controller documentation for more information.HMI5000 <strong>Series</strong>RS-485PLC PLC PLC PLC Modbus is the only protocol that supports RS485 multi-drop with the HMI5000 <strong>Series</strong>. Refer to the HelpSection of EasyBuilder-5000, under the “How do I…” section for more information.Connecting one or more PLC/controllers via EthernetThe HMI5000 <strong>Series</strong> (Ethernet-equipped models) have a single RJ45 Ethernet connector configured for 10BaseT <strong>and</strong>100BaseT operation. This port is for both communicating with a PC for configuration purposes, as well as forcommunicating with supported Ethernet PLCs <strong>and</strong> protocols.The connector is wired just like the RJ45 Ethernet connector on a PC. The Ethernet connection to a PLC/controller willvary with each PLC/controller. Some will require a straight-through connection, while others require a crossoverconnection. See Maple Systems' website for cable drawings of Ethernet cables.To connect a single PLC/controller to an HMI:1. Attach one end of the Ethernet cable to the RJ45 connector on the HMI.2. Attach the other end to the RJ45 connector on the PLC/controller.A router or switch is required to connect multiple PLCs/controllers to a single HMI. In general, st<strong>and</strong>ard straightthroughtype cables can be used when connecting to a PLC/controller through a router or switch. Some routers <strong>and</strong>switches may be auto-sensing. In this case, either type of cable may be used.0600-0069-0000 <strong>Rev</strong>. B

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