YASKAWA Z1000U Series Programming Manual

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Contents

YASKAWA Z1000U Series Programming Manual Manual pdf 283 page image

u Wiring Diagram for Multiple ConnectionsFigure B.3 and Figure B.4 explain the wiring diagrams for multiple connections using MEMOBUS/Modbus communication.n RS-485 InterfaceNote: The isolated ground (IG) connection is optional but strongly recommended to improve network immunity to electrical interference.DriveDriveDriveS2S2S2S–S+R–R+IGS–S+R–R+IGS–S+R–R+IGOFFOFFONR–R+S–S+IGControllerFigure B.3 RS-485 InterfaceNote: 1. Set DIP switch S2 to the ON position on the drive located at the end of the network. Set DIP switch S2 to the OFF positions on all otherslave devices.2. Set H5-07 to 1 when using the RS-485 interface.B.3 Connecting to a NetworkYASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual 283B MEMOBUS/ModbusCommunications