5.47.1 Voltage and Current Analog Output ......................................... 299
5.47.2 Analog Pulse Output ................................................................. 302
5.48 Digital Output ......................................................................................... 305
5.48.1 Multi-function Output Terminal and Relay Settings................. 305
5.48.2
Fault Trip Output using Multi-function Output Terminal and Relay
... 310
5.48.3 Multi-function Output Terminal Delay Time Settings ............... 311
5.49 Operation State Monitor ........................................................................ 312
5.50 Operation Time Monitor ........................................................................ 314
5.51 PowerOn Resume Using the Serial Communication ......................... 315
6 Learning Protection Features ...................................................................... 317
6.1 Motor Protection .................................................................................... 317
6.1.1 Electronic Thermal Motor Overheating Prevention (ETH) ..... 317
6.1.2 Motor Over Heat Sensor .......................................................... 318
6.1.3 Overload Early Warning and Trip ............................................. 321
6.1.4 Stall Prevention and Flux Braking............................................ 323
6.2 Inverter and Sequence Protection ....................................................... 327
6.2.1 Open-phase Protection ............................................................ 327
6.2.2 External Trip Signal ................................................................... 328
6.2.3 Inverter Overload Protection (IOLT) ........................................ 329
6.2.4 Speed Command Loss ............................................................ 329
6.2.5 Dynamic Braking (DB) Resistor Configuration ....................... 333
6.2.6 Low Battery Voltage Warning ................................................... 334
6.3 Under load Fault Trip and Warning ...................................................... 335
6.3.1 Fan Fault Detection .................................................................. 336
6.3.2 Low Voltage Fault Trip .............................................................. 337
6.3.3 Selecting Low Voltage 2 Fault During Operation .................... 338
6.3.4 Output Block via the Multi-function Terminal ........................... 338
6.3.5 Trip Status Reset ...................................................................... 339
6.3.6 Operation Mode for Option Card Trip ...................................... 339
6.3.7 No Motor Trip ............................................................................ 340
6.3.8 Broken Belt ................................................................................ 340
6.4 Parts Life Expectancy ........................................................................... 342
6.4.1 Main Capacitor Life Estimation ................................................ 342
6.4.2 Fan Life Estimation ................................................................... 343
6.5 Fault/Warning List .................................................................................. 345
7 RS-485 Communication Features ............................................................... 349
7.1 Communication Standards ................................................................... 349
7.2 Communication System Configuration ................................................ 350
7.2.1 Communication Line Connection ............................................ 350
7.2.2 Setting Communication Parameters ....................................... 351
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