How to fix RS-485 communication error in LSIS Inverter?
To resolve an RS-485 communication error, ensure the converter has electric power. Verify that the master is polling the inverter. Check the wiring for Ground Fault (GF) and correct it according to section '11.3 Installation'. Set the correct value in accordance with '11.3 Installation'. Revise the User Program (Note1). Also, consult the converter manual for further guidance.
Identifies potential hazards and shock hazards under certain conditions.
Highlights improper operation risks leading to personal injury or property damage.
Guidelines for safely handling, installing, and positioning the inverter.
Instructions for correct and safe electrical wiring connections to the inverter.
Steps and considerations for performing the initial startup and testing.
Important considerations during normal operation to ensure safety and performance.
Covers unpacking, inspection, and initial checks for the inverter unit.
Guidelines for selecting an appropriate location and ensuring correct installation.
Details the connections for control signals and multi-function terminals.
Specifies wire sizes, screw types, and torque for power terminal connections.
Describes how to connect external devices like power supplies, contactors, and reactors.
Details the function of each key and the display indicators on the inverter keypad.
Guides users on navigating through different parameter groups (Drive, Function, I/O).
Provides step-by-step instructions for modifying parameter values.
Illustrates how to set specific parameters like acceleration time and frequency.
Explains how to monitor output current, motor RPM, and fault conditions.
Covers methods for setting frequency using keypad, terminals, and potentiometer.
Details parameters for basic functions including DC brake, torque boost, and frequency limits.
Covers advanced parameters like PID control, speed search, and auto restart.
Explains different methods for setting the operating frequency (keypad, analog, RS485).
Details how to configure multiple preset frequencies for step-wise operation.
Details DC braking methods for stopping and starting the motor.
Covers setup and configuration for Proportional-Integral-Derivative control.
Guides on automatically measuring motor parameters for optimal performance.
Explains how to configure and use sensorless vector control for motor operation.
Details how to view current faults and fault history logs.
Details settings for protecting the motor from overheating.
Covers settings for overload warnings and automatic trips.
Explains how to prevent motor stall during acceleration, constant run, or deceleration.
Lists inverter protective functions and their descriptions.
Provides causes and solutions for various inverter fault codes.
Safety warnings and precautions before performing maintenance.
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