8.1 ALARM AND FAULT DISPLAYS 207
8.2 FAULT DETECTION 211
8.3 OPERATION ERRORS 219
8.4 AUTO-TUNING FAULT DETECTION 222
CHAPTER 9│INSPECTION & MAINTENANCE 223
9.1 SAFETY 223
9.2 PERIODIC INSPECTION 224
9.2.1 Environment
224
9.2.2 Voltage
224
9.2.3 Keypad Monitor
224
9.2.4 Enclosure
224
9.2.5 Main Circuit
225
9.2.6 Main Circuit- Terminals & Cables
225
9.2.7 Main Circuit- Capacitors
225
9.2.8 Main Circuit- Resistors
226
9.2.9 Main Circuit- Magnetic Contactors & Relays
226
9.2.10 Control Circuit- Control Boards & Connectors
226
9.2.11 Cooling- Fans
226
9.2.12 Cooling- Air Duct
227
9.3 DRIVE COOLING FANS 227
9.3.1 Cooling Fan Replacement
227
CHAPTER 10│DRIVE DERATING 229
10.1 TEMPERATURE DERATING 229
10.2 ALTITUDE DERATING 230
CHAPTER 11│COMMUNICATIONS 231
11.1 MODBUS COMMUNICATION SPECIFICATIONS 231
11.2 CONNECTING TO CONTROLLER/PLC/HMI 231
11.2.1 Communication Cable Connection
231
11.2.2 Termination Resistor Setting for Multiple Connections
232
11.2.3 Termination Resistor Function
232
11.2.4 When to Install Termination Resistor
232
11.3 MODBUS SETUP PARAMETERS 232
11.4 DRIVE OPERATIONS BY MODBUS 234
11.4.1 Actions by Modbus
234
11.4.2 Drive Control by Modbus
234
11.5 MESSAGE FORMAT 235
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