FR-A701 INSTRUCTION MANUAL (Applied) - Automation Systems ...

4PARAMETERS4.24.2 Wiring and arrangement of RS-485 terminals(1) RS-485 terminal layoutCommunication operation and settingOPEN100ΩTXDRDA1(RXD1+)(RXD1-) RDB1(RXD2+) RDA2(RXD2-)RDB2SDA1 SDB1 SDA2 SDB2(TXD1+)(TXD1-)(TXD2+) (TXD2-)P5S(VCC)SG(GND)Terminating resistor switchFactory-set to "OPEN".Set only the terminating resistor switch of theremotest inverter to the "100Ω" position.P5S(VCC)SG(GND)RXDVCC(2) Connection of RS-485 terminals and wiresLoosen the terminal screw and insert the cable into the terminal.NameRDA1(RXD1+)RDB1(RXD1-)RDA2(RXD2+)RDB2(RXD2-)SDA1(TXD1+)SDB1(TXD1-)SDA2(TXD2+)SDB2(TXD2-)P5S(VCC)SG(GND)DescriptionInverter receive+Inverter receive-Inverter receive+(for branch)Inverter receive-(for branch)Inverter send+Inverter send-Inverter send+(for branch)Inverter send-(for branch)5VPermissible load current 100mAEarth (Ground)(connected to terminal SD)Screw size M2 Wire the stripped cable after twisting it to prevent it fromTighteningbecoming loose. In addition, do not solder it.0.22N•m to 0.25N•mtorqueCable stripping sizeCable size 0.3mm 2 to 0.75mm 2ScrewdriverSmall flat-blade screwdriver(Tip thickness: 0.4mm /tip width: 2.5mm)Use a bar terminal as necessary.CAUTIONUndertightening can cause signal loss or malfunction. Overtightening can cause a short circuit or malfunction due to damage tothe screw or unit.REMARKSInformation on bar terminalsIntroduced products (as of March, 2008)5mmTerminal ScrewSizeWire Size (mm 2 )Bar Terminal Modelwith insulation sleeve without insulation sleeveM2 0.3, 0.5 AI 0,5-6WH A 0,5-6MakerPhoenix ContactCo.,Ltd.Bar terminal crimping tool: CRIMPFOX ZA3 (Phoenix Contact Co., (Ltd.))Use shielded or twisted cables for connection to the control circuit terminals and run them away from the main and power circuits(including the 200V relay sequence circuit).When using the bar terminal (without insulation sleeve), use care so that the twisted wires do not come out.299