14 EN
DIP switches
DIP switches are used to adapt ACS55 to the motor and the application.
Warning! The DIP switch is at a dangerous voltage (200 V). Turn off power and wait for 5 minutes before adjusting the switches.
Keep the protective cover closed when ACS55 is powered.
Configuration
• Open the front cover using the tip of a screwdriver, and adjust the DIP switches.
• Use the tip of a screwdriver to slide the switch to the left or right. By default, all switches are in their left position.
• Close the front cover.
Basic information
DIP switch
# Name and function Default
setting
Alternative
setting
1 NOM FREQ HZ: Motor nominal frequency 50 Hz 60 Hz
2 SILENT: Motor noise level (PWM switching
frequency)
OFF - Normal
(5 kHz)
ON - Silent (16 kHz)
3 LOAD: Load torque type (U/f curve) P&F - Pump/fan CT - Constant torque
4 JOG HZ: Constant frequency for the jogging function 5 Hz 10 Hz
5 RELAY: Relay output operation FLT - Fault RUN - Motor running
6 AI OFFSET: Minimum value for analogue input OFF - 0 mA (0 V) ON - 4 mA (2 V)
7 AUTORESET: Automatic fault reset function OFF - No autoreset ON - Autoreset enabled
8 HI FREQ: High frequency mode OFF - Standard ON - High frequency
enabled
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