Do you have a question about the Sumitomo HF-320 and is the answer not in the manual?
Front cover protects programming keys, external signals for applications, and allows easy switching between panel and external signal operation.
Groups Intelligent Terminal, Multistep Speed Change, and PID Function for programming, multistep speed, and process control.
Uses V/f control for multi-motor applications and PID for industrial pumps/fans.
Sensorless vector control for high starting torque and auto-tuning for performance.
Covers output monitoring (frequency, current, terminals) and basic operational parameters (frequency, acceleration/deceleration).
Manages analog inputs, multistep speed settings, and jogging operations.
Details DC braking, frequency limits, PID control, and AVR settings.
Covers acceleration/deceleration times and sensorless vector control tuning.
Describes monitor section, keys, lamps, and frequency setting potentiometer.
Step-by-step guide to set the maximum frequency using the operator panel.
How to start and stop the motor using the RUN key and potentiometer.
Explains output frequency, current, direction, terminal status, and trip monitors.
Covers setting output frequency and motor operation direction.
Details how to set frequency command and operation destinations.
Sets scaling for analog input signals (4-20mA or 0-10V).
Configures multistep speeds and jogging operation for positioning.
Adjusts output voltage for torque boost in low-frequency bands.
Configures V/f curves and DC braking for deceleration.
Sets upper/lower frequency limits and PID loop parameters.
Covers overcurrent, overload, overvoltage, undervoltage, ground fault, EEPROM, CPU, USP errors.
Explains thermal protection, trip monitoring methods, and voltage fluctuation protections.
Emphasizes reading manuals, specialist wiring, and using safety devices.
Advises on special applications and using AC motors.