5 Installation ProcedureYASKAWA ELECTRIC SIEP C730600 91C YASKAWA AC Drive Option SI-EM3 Technical Manual 25 Communication Cable SpecificationsUse only Ethernet dedicated communication cable; the Yaskawa warranty does not cover other cable types. Option Connection DiagramFigure 22 Option Connection Diagram<1> Connect the provided ground wire for installations on 1000-series drives. The ground wire is not necessaryfor installation on GA700 or GA800 drives.DriveMUVWRSTCN5-AFEModbusTCP/IP Master Modbus TCP/IP Cable<1>MotorPowerSI-EM3ModbusTCP/IPOptionCN1A1000