Position control Vector control dedicated motor (SF-V5RU, SF-THY), 12 V complementary 1 MCCB MC OCR A B C SF-V5RU, SF-THY Positioning unit MELSEC-iQ-R RD75P[] MELSEC-Q QD75P[ ]N/QD75P[ ] MELSEC-L LD75P[ ] Three-phase AC power supply *7 FAN 2 Three-phase AC power supply MCCB R/L1 S/L2 T/L3 MC Inverter U V W U V W E M 3 RLS FLS Earth (ground) STOP DOG relay input Thermal protector 4 Reverse stroke end Forward stroke end STF Pre-excitation/servo on STR LX *9 5 CLR *9 CLEAR Clear signal Pulse train PULSE R PULSE F Sign signal JOG *10 NP *9 PLG 6 CLRCOM 24 VDC power supply PC *2 PULSE COM RDYCOM SE 7 READY COM Preparation ready signal RDY *11 5 power supply *5 Torque limit command (±10 V) 1 (+) (-) 8 *1 The pin number differs according to the encoder used.
Speed, control, torque control, and position control by pulse train input are available with or without the Z-phase being connected. *2 Connect the encoder so that there is no looseness between the motor and motor shaft. Speed ratio must be 1:1. *3 Earth (ground) the shield of the encoder cable to the enclosure using a tool such as a P-clip. (Refer to page 94 .) *4 For the complementary, set the terminating resistor selection switches in the OFF position. (Refer to page 89 .) *5 A separate external power supply is necessary according to the encoder power specification. When the encoder output is the differential line driver type, only 5 V can be input.
Make the voltage of the external power supply the same as the encoder output voltage, and connect the external power supply between terminals PG and SD. *6 For terminal compatibility of the FR-JCBL, FR-V7CBL, and FR-A8AP, refer to page 91 . *7 Single-phase power supply (200 V/50 Hz, 200 to 230 V/60 Hz) is used for the fan for a 7.5 kW or lower dedicated motor. *8 Connect the recommended 2W1kΩ resistor between terminals PC and OH. (Recommended product: MOS2C102J 2W1kΩ by KOA Corporation) Insert the input line and the resistor to a 2-wire blade terminal, and connect the blade terminal to terminal OH.
(For the recommended 2-wire blade terminals, refer to page 75 .) Insulate the lead wire of the resistor, for example by applying a contraction tube, and shape the wires so that the resistor and its lead wire do not touch other cables. Caulk the lead wire securely together with the thermal protector input line using a 2-wire blade terminal. (Do not subject the lead wire's bottom area to an excessive pressure.) To use a terminal as terminal OH, assign the OH (External thermal relay input) signal to an input terminal. (Set "7" in any of Pr.178 to Pr.189 .
For details, refer to page 539 .) 9 10 When OH signal is assigned to terminal RH ( Pr.182 = “7”) PC RH (OH) 2-wire blade terminal To thermal protector Resistor (2 W1kΩ) Insulate *9 Assign the function using Pr.178 to Pr.184, Pr.187 to Pr.189 (Input terminal function selection) . *10 When position control is selected, terminal JOG function is invalid and simple position pulse train input terminal becomes valid. *11 Assign the function using Pr.190 to Pr.194 (Output terminal function selection) . Insulate 93 2.
INSTALLATION AND WIRING 2.8 Connection to a motor with encoder (Vector control) 2 W 1 kΩ G2 FR-A8AP PA1 PA2 PB1 PB2 Differential PZ1 line driver PZ2 Complementary PG Terminating SD resistor PG ON SD *4 *6 OFF A B C B C D F G S SD R PG Comp