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CONTENTS
CONTENTS
1 WIRING 1
1.1 Internal block diagram......................................................................................... 2
1.2 Main circuit terminal specifications ................................................................... 3
1.3 Connection of stand-alone option units ............................................................ 4
1.3.1 Connection of the dedicated external brake resistor (FR-ABR) .........................................................4
1.3.2 Connection of the brake unit (FR-BU)................................................................................................5
1.3.3 Connection of the brake unit (BU type) ..............................................................................................6
1.3.4 Connection of the high power factor converter (FR-HC)....................................................................6
1.3.5 Connection of the power regeneration common converter (FR-CV)..................................................7
1.3.6 Connection of the DC reactor (FR-HEL/BEL).....................................................................................7
1.4 Control circuit terminal specifications .............................................................. 8
1.4.1 Connecting the control circuit to a power supply separately from the main circuit...........................10
1.5 Precautions for use of the vector inverter....................................................... 11
1.6 Others ................................................................................................................. 12
1.6.1 Leakage currents and countermeasures..........................................................................................12
1.6.2 Power off and magnetic contactor (MC)...........................................................................................14
1.6.3 Installation of reactor........................................................................................................................15
1.6.4 Notes on earthing (grounding)..........................................................................................................16
1.6.5 Inverter-generated noises and their reduction techniques ...............................................................17
1.6.6 Power supply harmonics ..................................................................................................................19
1.6.7 Harmonic suppression guidelines ....................................................................................................20
1.6.8 Inverter-driven 400V class motor .....................................................................................................22
1.6.9 Using the PU connector for computer link........................................................................................23
1.7 Input terminals ................................................................................................... 26
1.7.1 Run (start) and stop (STF, STR, STOP) ..........................................................................................26
1.7.2 External thermal relay input (OH).....................................................................................................27
1.7.3 Speed setting potentiometer connection (10E, 2 (1), 5)...................................................................27
1.7.4 Torque setting input signal and motor-generated torque (terminals 3, 5) ........................................28
1.7.5 Meter connection method and adjustment (DA1, DA2)....................................................................28
1.7.6 Common terminals (SD, 5, SE)........................................................................................................29
1.7.7 Signal inputs by contact-less switches.............................................................................................29
1.8 How to use the input signals (assigned terminals DI1 to DI4, STR)
(Pr. 180 to Pr. 183, Pr. 187)................................................................................ 30
1.8.1 Multi-speed setting (RL, RM, RH, REX signals): Pr. 180 to Pr. 183, Pr. 187 setting
"0, 1, 2, 8"
Remote setting (RL, RM, RH signals): Pr. 180 to Pr. 183, Pr. 187 setting "0, 1, 2" .........................30
1.8.2 Second function selection/second motor switchover (RT signal)
: Pr. 180 to Pr. 183, Pr. 187 setting "3" ............................................................................................30
1.8.3 Jog operation (jog signal): Pr. 180 to Pr. 183, Pr. 187 setting "5" ....................................................30
1.8.4 Third function selection (X9 signal): Pr. 180 to Pr. 183, Pr. 187 setting "9" .....................................31
1.8.5 FR-HC, FR-CV connection (X10 signal): Pr. 180 to Pr. 183, Pr. 187 setting "10"............................31
1.8.6 PU operation external interlock signal (X12 signal): Pr. 180 to Pr. 183, Pr. 187 setting "12"...........31
1.8.7 PID control enable terminal: Pr. 180 to Pr. 183, Pr. 187 setting "14" ...............................................31
1.8.8 Brake sequence opening signal (BRI signal): Pr. 180 to Pr. 183, Pr. 187 setting "15" ....................31
1.8.9 PU operation/external operation switchover: Pr. 180 to Pr. 183, Pr. 187 setting "16"......................31
1.8.10 S-pattern acceleration/deceleration C switchover terminal (X20 signal)
: Pr. 180 to Pr. 183, Pr. 187 setting "20" ..........................................................................................31
1.8.11 Orientation command (X22 signal): Pr. 180 to Pr. 183, Pr. 187 setting "22"....................................32
1.8.12 Pre-excitation/servo on (LX signal): Pr. 180 to Pr. 183, Pr. 187 setting "23" ...................................32