Hitachi WJ Series

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C-6 
10 Using System Protection Functions ........................................................................................... 9-10-1 
10.1  Adjusting Carrier Frequency ................................................................................................. 9-10-1 
10.2  Automatically Reducing Carrier Frequency ....................................................................... 9-10-2 
10.3  Externally Tripping the Inverter ............................................................................................ 9-10-3 
10.4  Preventing Unattended Start at Power-on ......................................................................... 9-10-4 
10.5  Avoiding Mechanical Resonance of Motor and Machine ................................................. 9-10-5 
10.6  Selecting Cooling Fan Operation ......................................................................................... 9-10-6 
10.7  Monitoring Motor Temperature ........................................................................................... 9-10-7 
11 Outputting Warning Signals to Terminals .................................................................................. 9-11-1 
11.1  Outputting an Alarm Signal ................................................................................................... 9-11-1 
11.2  Outputting a Major Failure Signal ........................................................................................ 9-11-2 
11.3  Outputting a Warning When Overload Occurs .................................................................. 9-11-3 
11.4  Outputting a Warning When Current Is Low ...................................................................... 9-11-4 
11.5  Outputting a Warning before Electronic Thermal Protection .......................................... 9-11-5 
11.6  Outputting a Warning When Cooling Fin Temperature Rises.......................................... 9-11-6 
11.7  Outputting a Warning for Capacitor Life on the Control Board ...................................... 9-11-7 
11.8  Outputting a Warning for Cooling Fan Life ......................................................................... 9-11-8 
11.9  Outputting a Warning When RUN Time or Power-on Time Elapses ............................... 9-11-9 
11.10  Detecting Analog Input Disconnection/Out of Range ................................................. 9-11-10 
12 Outputting Running Status to Terminals ................................................................................... 9-12-1 
12.1  Outputting a Signal during Running .................................................................................... 9-12-1 
12.2  Outputting a Signal during Forward/Reverse Running .................................................... 9-12-2 
12.3  Outputting a Signal When RUN Command Is Given ......................................................... 9-12-3 
12.4  Outputting a Signal When Inverter Is Ready to Run .......................................................... 9-12-4 
13 Outputting Signals According to the Output Frequency.......................................................... 9-13-1 
13.1  Outputting a Signal When the Output Frequency Reaches the Target .......................... 9-13-1 
13.2  Outputting a Signal When the Output Frequency Exceeds the Set Value ..................... 9-13-2 
13.3  Outputting a Signal When the Output Frequency Is Close to the Set Value ................. 9-13-3 
13.4  Outputting a Signal When the Output Frequency is Close to 0 Hz ................................ 9-13-4 
13.5  Outputting a Signal by Combining Two Output Signals ................................................... 9-13-5 
14 Performing Positioning Operation (Simple Position Control Function) .................................. 9-14-1 
14.1  Overview of Simple Position Control Function and Basic Settings ................................. 9-14-1 
14.2  Performing Homing Function during Positioning Operation ........................................... 9-14-8 
14.3  Operating by Switching between Speed Control and Position Control ....................... 9-14-12 
14.4  Operating Simple Position Control with Brake Control .................................................. 9-14-13 
15 Functions with External Signal Input ......................................................................................... 9-15-1 
15.1  Using External I/O Input Signal Functions ......................................................................... 9-15-1 
15.2  Adjusting I/O Input Signal Response .................................................................................. 9-15-3 
15.3  Adjusting the Analog Input ................................................................................................... 9-15-4 
   
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