n Serial Communication TerminalsTable 3.9 Control Circuit Terminals: Serial CommunicationsType No. Signal Name Function (Signal Level)MEMOBUS/ModbusCommunication <1>R+ Communications input (+)MEMOBUS/Modbus communication: Use anRS-422 or RS-485 cable to connect the drive.RS-422/RS-485MEMOBUS/Modbuscommunicationprotocol115.2 kbps (max.)R- Communications input (-)S+ Communications output (+)S- Communications output (-)IG Shield ground 0 V<1> Enable the termination resistor in the last drive in a MEMOBUS/Modbus network by setting DIP switch S2 to the ON position. Refer to the manualsection on Control I/O Connections for more information.u Terminal ConfigurationThe control circuit terminals are arranged as shown in Figure 3.31.E(G) IG R+ R- S+ S-S1 S2 S3 S4 S5 S6 S7 S8 SN SC SPV+ AC A1 A2 A3 FM AM AC 24VRP ACM1 M2 M3 M4MD ME MFMA MB MCE(G) IG R+ R- S+ S-S1 S2 S3 S4 S5 S6 S7 S8 SN SC SPV+ AC A1 A2 A3 FM AM AC 24VRP ACM1 M2 M3 M4MD ME MFMA MB MC TB5Figure 3.31 Control Circuit Terminal Arrangementn Wire Size and Torque SpecificationsSelect appropriate wire type and gauges from Table 3.10. For simpler and more reliable wiring, use crimp ferrules on the wireends. Refer to Table 3.11 for ferrule terminal types and sizes.Table 3.10 Wire GaugesTerminal ScrewSizeTighteningTorqueN•m(lb. in)Bare Wire Terminal Ferrule-Type TerminalWire TypeApplicablewire sizemm2 (AWG)Recomm.wire sizemm2 (AWG)Applicablewire sizemm2 (AWG)Recomm.wire sizemm2 (AWG)S1-S8, SC, SN, SPM3 0.5 to 0.6(4.4 to 5.3)Stranded wire:0.2 to 1.0(24 to 16)Solid wire:0.2 to 1.5(24 to 16)0.75 (18) 0.25 to 0.5(24 to 20) 0.5 (20) Shielded wire,etc.RP, V+, A1, A2, A3,AC, 24 VMA, MB, MC, MD, ME,MFM1-M4FM, AM, ACR+, R-, S+, S-, IG3.9 Control Circuit WiringYASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual 973 Electrical Installation
