6.2.1 Open-phase Protection ........................................................................................ 213
6.2.2 External Trip Signal .................................................................................................. 214
6.2.3 Inverter Overload Protection ............................................................................. 215
6.2.4 Speed Command Loss .......................................................................................... 216
6.2.5 Dynamic Braking (DB) Resistor Configuration .......................................... 218
6.3 Under load Fault Trip and Warning ................................................................................... 219
6.3.1 Fan Fault Detection ................................................................................................. 221
6.3.2 Lifetime diagnosis of components ................................................................. 221
6.3.3 Low Voltage Fault Trip ............................................................................................ 223
6.3.4 Output Block by Multi-Function Terminal ................................................... 224
6.3.5 Trip Status Reset........................................................................................................ 224
6.3.6 Inverter Diagnosis State ........................................................................................ 225
6.3.7 Operation Mode on Option Card Trip ........................................................... 225
6.3.8 No Motor Trip ............................................................................................................. 226
6.3.9 Low voltage trip 2 .................................................................................................... 226
6.4 Fault/Warning List ..................................................................................................................... 226
7 RS-485 Communication Features .......................................................................... 229
7.1 Communication Standards .................................................................................................. 229
7.2 Communication System Configuration ......................................................................... 229
7.2.1 Communication Line Connection ................................................................... 230
7.2.2 Setting Communication Parameters ............................................................. 230
7.2.3 Setting Operation Command and Frequency .......................................... 232
7.2.4 Command Loss Protective Operation ........................................................... 233
7.2.5 Setting Virtual Multi-Function Input .............................................................. 234
7.2.6 Saving Parameters Defined by Communication ..................................... 234
7.2.7 Total Memory Map for Communication ...................................................... 235
7.2.8 Parameter Group for Data Transmission ...................................................... 235
7.3 Communication Protocol ...................................................................................................... 236
7.3.1 LS INV 485 Protocol ................................................................................................. 236
7.3.2 Modbus-RTU Protocol ........................................................................................... 242
7.4 Compatible Common Area Parameter........................................................................... 245
7.5 S100 Expansion Common Area Parameter .................................................................. 248