6.1 Motor Protection .................................................................................... 250
Electronic Thermal Motor Overheating Prevention (ETH) ..... 250
Overload Early Warning and Trip ............................................. 251
Stall Prevention and Flux Braking............................................ 253
6.2 Inverter and Sequence Protection........................................................ 257
Open-phase Protection ............................................................ 257
External Trip Signal ................................................................... 258
Inverter Overload Protection .................................................... 259
Speed Command Loss ............................................................ 259
Dynamic Braking (DB) Resistor Configuration ....................... 261
6.3 Under load Fault Trip and Warning ...................................................... 263
Fan Fault Detection .................................................................. 264
Lifetime diagnosis of components ........................................... 265
Low Voltage Fault Trip .............................................................. 267
Output Block by Multi-Function Terminal ................................. 268
Trip Status Reset ...................................................................... 268
Inverter Diagnosis State ........................................................... 269
Operation Mode on Option Card Trip ...................................... 269
No Motor Trip ............................................................................ 270
Low voltage trip 2 ...................................................................... 270
6.4 Fault/Warning List .................................................................................. 271
7 RS-485 Communication Features ............................................................... 273
7.1 Communication Standards ................................................................... 273
7.2 Communication System Configuration ................................................ 274
Communication Line Connection ............................................ 274
Setting Communication Parameters ....................................... 275
Setting Operation Command and Frequency ......................... 276
Command Loss Protective Operation ..................................... 277
Setting Virtual Multi-Function Input .......................................... 278
Saving Parameters Defined by Communication .................... 278
Total Memory Map for Communication ................................... 279
Parameter Group for Data Transmission ................................ 279
7.3 Communication Protocol....................................................................... 280
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