Types of RUN Command143
Operation by RUN Key on the Keypad144
Operation by Forward/Reverse Input Terminals145
Operation by Pushbutton (Momentary Switch) Input146
Operation by Modbus-RTU Communication (RS485 Communication)147
Operation by Communication Option Board148
Temporarily Changing RUN Command Input Source149
Disabling the STOP/RESET Key on the Keypad150
Resetting an Alarm151
Selecting Frequency Command152
- Types of Frequency Command152
- Setting Frequency Command by Keypad154
- Setting Frequency Command by Analog Inputs (Voltage/Current)155
- Setting Frequency Command by Multi-Speed Operation Function158
- Setting Frequency Command for Jogging and Inching Operation161
- Setting Frequency Command by Modbus-RTU Communication (RS485 Communication)162
- Setting Frequency Command by Communication Option Board163
- Setting Frequency Command by Pulse Input164
- Setting Frequency Command by Program Operation Function Ezsq165
- Setting Frequency Command by PID Control166
- Setting Frequency Command by Calculation Operation167
- Temporarily Adding a Set Value to the Frequency Command168
- Increasing/Decreasing Frequency Command by Remote Control169
- Temporarily Changing the Frequency Command Input Source172
- Setting Frequency Command on Frequency Monitor173
Using Motor Acceleration/Deceleration Function174
- Changing the Acceleration/Deceleration Time174
- Stopping Acceleration/Deceleration177
- Changing the Acceleration/Deceleration Pattern178
- Making the Frequency Instantaneously Follow the Command180
Limiting Frequency Command/Run Command181
- Limiting Frequency Command181
- Limiting RUN Command Direction182
- Limiting Rotation Output Direction183
- Disabling Output until RUN Command Permission184
Selecting Control Mode for the Motor and Load185
- Selection of Control Mode185
- Driving with V/F Control186
- Using Torque Boost Function189
- Driving with Energy-Saving Mode191
- Driving with V/F Control with Encoder192
- Stabilizing Motor Hunting194
- Driving with Sensorless Vector Control195
- Using Encoder Feedback198
Speed/Torque Control According to Load203
- Speed Control and Torque Control203
- Driving with Limited Torque204
- Driving by Torque Reference207
- Driving with Torque Bias208
Selecting Start/Stop Modes209
- Starting with Gradually Increasing Voltage209
- Starting with DC Braking210
- Starting with Frequency Matching211
- Starting with Active Frequency Matching212
- Starting after Trip Reset or Power-On216
- Starting after Free Run Stop217
- Selecting Stop Operation218
- Stopping with DC Braking219
- Switching to Commercial Power Supply (Commercial Power Supply Change)223
- Starting and Stopping with External Brake Control224
- Switching between Two Motors226
Driving by PID Process Control227
- Using PID Control227
Using Trip Prevention Functions234
- Restriction to Avoid Overload234
- Restriction to Avoid Overcurrent236
- Suppressing Overvoltage by Controlling Output Frequency237
- Suppressing Overvoltage by Controlling Output Voltage239
- Suppressing Overvoltage with Braking Resistor241
- Restarting after Instantaneous Power Failure/Undervoltage242
- Restarting after Overvoltage/Overcurrent247
- Continuing to Drive Even after Instantaneous Power Failure/Undervoltage Error250
Using System Protection Functions253
- Adjusting Carrier Frequency253
- Automatically Reducing Carrier Frequency254
- Externally Tripping the Inverter255
- Preventing Unattended Start at Power-On256
- Avoiding Mechanical Resonance of Motor and Machine257
- Selecting Cooling Fan Operation258
- Monitoring Motor Temperature259
Outputting Warning Signals to Terminals260
- Outputting an Alarm Signal260
- Outputting a Major Failure Signal261
- Outputting a Warning When Overload Occurs262
- Outputting a Warning When Current Is Low263
- Outputting a Warning before Electronic Thermal Protection264
- Outputting a Warning When Cooling Fin Temperature Rises265
- Outputting a Warning for Capacitor Life on the Control Board266
- Outputting a Warning for Cooling Fan Life267
- Outputting a Warning When RUN Time or Power-On Time Elapses268
- Detecting Analog Input Disconnection/Out of Range269
Outputting Running Status to Terminals271
- Outputting a Signal During Running271
- Outputting a Signal During Forward/Reverse Running272
- Outputting a Signal When RUN Command Is Given273
- Outputting a Signal When Inverter Is Ready to Run274
Outputting Signals According to the Output Frequency275
- Outputting a Signal When the Output Frequency Reaches the Target275
- Outputting a Signal When the Output Frequency Exceeds the Set Value276
- Outputting a Signal When the Output Frequency Is Close to the Set Value277
- Outputting a Signal When the Output Frequency Is Close to 0 Hz278
- Outputting a Signal by Combining Two Output Signals279
Performing Positioning Operation (Simple Position Control Function)281
- Overview of Simple Position Control Function and Basic Settings281
- Performing Homing Function During Positioning Operation288
- Operating by Switching between Speed Control and Position Control292
- Operating Simple Position Control with Brake Control293
Functions with External Signal Input295
- Using External I/O Input Signal Functions295
- Adjusting I/O Input Signal Response297
- Adjusting the Analog Input298
Functions with External Signal Output301
- Using External I/O Output Signal Functions301
- Delaying and Holding Output Signals304
- Outputting Monitor Data by Pulse Output305
- Outputting Monitor Data by Analog Output307

Chapter 10 10 Monitor Functions309

Chapter 11 11 Rs485 Communication331

Chapter 12 12 Prodrivenext/Ezsq363

Chapter 14 14 Safety Function Sto373

Chapter 15 15 Tips/Faq/Troubleshooting383

Chapter 16 16 Maintenance and Inspection401

Chapter 17 17 Specifications/Dimensions/Derating411

Chapter 18 18 List of Parameters/Modbus Coil/Register Numbers429

Brand	Hitachi
Model	WJ C1 Series
Category	Inverter
Language	English

Hitachi WJ C1 Series User Manual

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Hitachi WJ C1 Series Specifications

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