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CONTENTS
High-function General-purpose Inverter RX2 Series User’s Manual
8-2-1 Overload Limit Level Function.................................................................................................. 8-40
8-2-2 Overcurrent Suppression Selection.......................................................................................... 8-42
8-2-3 Overvoltage Suppression Function During Deceleration.......................................................... 8-44
8-2-4 Overexcitation Function............................................................................................................ 8-47
8-2-5 Regenerative Braking Function ................................................................................................ 8-50
8-2-6 Restart during Power Interruption/Undervoltage ...................................................................... 8-52
8-2-7 Restart on Overvoltage/Overcurrent......................................................................................... 8-58
8-2-8 Non-stop on Momentary Power Interruption............................................................................. 8-63
8-3 Protective Functions ........................................................................................................... 8-69
8-3-1 Input Power Supply Phase Loss Protection.............................................................................. 8-69
8-3-2 Output Phase Loss Protection Function ................................................................................... 8-69
8-3-3 External Trip (EXT) Function .................................................................................................... 8-70
8-3-4 Power Recovery Restart Prevention Function (USP)............................................................... 8-71
8-3-5 Overcurrent Detection............................................................................................................... 8-71
8-3-6 Instantaneous Power Interruption/Undervoltage Detection ...................................................... 8-72
8-3-7 Frequency Jump Function........................................................................................................ 8-77
8-3-8 Speed Deviation Error Detection .............................................................................................. 8-78
8-3-9 Overspeed Error Detection....................................................................................................... 8-79
8-4 Control Function.................................................................................................................. 8-80
8-4-1 2nd Control (SET)..................................................................................................................... 8-80
8-4-2 Commercial Switch (CS)........................................................................................................... 8-81
8-4-3 Jogging Operation Function (JG).............................................................................................. 8-83
8-4-4 Brake Control Function (BRK) .................................................................................................. 8-85
8-4-5 Contactor Control (CON) .......................................................................................................... 8-91
8-4-6 Forced Operation...................................................................................................................... 8-94
8-4-7 Pulse Train Position Control ..................................................................................................... 8-99
8-4-8 Orientation Control.................................................................................................................. 8-105
8-4-9 Absolute Position Control ....................................................................................................... 8-108
8-4-10 Servo Lock (SON)................................................................................................................... 8-120
8-5 Cooling Fan Control .......................................................................................................... 8-122
8-6 Alarm Signal....................................................................................................................... 8-123
8-6-1 Alarm Signal (AL).................................................................................................................... 8-123
8-6-2 Fatal Fault Signal (MJA) ......................................................................................................... 8-125
8-6-3 Alarm Code............................................................................................................................. 8-126
8-6-4 Overload Warning Function (OL/OL2) .................................................................................... 8-127
8-6-5 Low Current Signal (LOC) ...................................................................................................... 8-129
8-6-6 Momentary Power Interruption Signal (IP).............................................................................. 8-131
8-6-7 Signal during Undervoltage (UV)............................................................................................ 8-132
8-6-8 Motor Thermal Warning Signal (THM).................................................................................... 8-133
8-6-9 Inverter Thermal Warning Signal (THC) ................................................................................. 8-134
8-6-10 Cooling Fin Overheat Warning Signal (OHF) ......................................................................... 8-135
8-6-11 Capacitor Life Warning Signal (WAC)..................................................................................... 8-136
8-6-12 Cooling Fan Life Warning Signal (WAF) ................................................................................. 8-136
8-6-13 RUN Time Over Signal (RNT)................................................................................................. 8-137
8-6-14 Power ON Time Over Signal................................................................................................... 8-138
8-6-15 Incoming Overvoltage Signal (OVS)....................................................................................... 8-139
8-7 Terminal Output During Run ............................................................................................ 8-140
8-7-1 Signal during RUN (RUN)....................................................................................................... 8-140
8-7-2 Signal during RUN (FWR/RVR).............................................................................................. 8-141
8-7-3 Starting Contact Signal........................................................................................................... 8-142
8-7-4 Operation Ready (IRDY)......................................................................................................... 8-143
8-8 Frequency Arrival Signal (FA1 to FA5) ............................................................................ 8-144
8-8-1 Output Signal on Constant Speed Arrival (FA1) ..................................................................... 8-144
8-8-2 Set Frequency Exceeded Signal (FA2/FA4) ........................................................................... 8-145
8-8-3 Set Frequency Matched Signal (FA3/FA5) ............................................................................. 8-146
8-8-4 0-Hz Detection Signal (ZS)..................................................................................................... 8-147
8-9 Applied Output................................................................................................................... 8-148
8-9-1 Analog Disconnection Signal.................................................................................................. 8-148
8-9-2 Logical Output Signal.............................................................................................................. 8-151
8-10 Input Terminal Function ....................................................................................................8-154
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