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Step 6 – Check motor rotation
EN
This test is to be performed solely from the inverter keypad. Apply power to the inverter after all the electrical connections have
been made and protective covers have been re-attached. At this point,
shown in Fig. 1a and the speed reference 5.00 Hz should be flashing.
Important: Motor rotation and direction only applies to standard AC motors with a base frequency
of 50 Hz. For 60 Hz or other frequency AC motors please set V/F pattern in parameter F_5 before
running the motor.
 Set digital input I1D
 Turn potentiometer for frequency setpoint value
If the motor rotation is incorrect, power down the inverter. After the power has been turned OFF,
wait at least five minutes until the charge indicator extinguishes completely before touching any
wiring, circuit boards or components.
Using Safety precaution, and referring to step 1 exchange any two of the three output leads to the motor (U, V and W). After
the wiring change, repeat this step and recheck motor direction.
Step 7 – Frequently used parameters in the simplified parameter set
Motor Nameplate Data (Parameter F_18)
The motor rated current is set at the factory based on the inverter model. Enter the motor rated current from the motor nameplate
if it does not match the value shown in parameter F_18. Setting range: Varies by model.
Using Keypad Potentiometer as Main Frequency Source Selection (Parameter F_11)
To use the potentiometer on the keypad set parameter F_11 to operation mode 1.
Using RUN/STOP Buttons as Main Run Source Selection (Parameter F_10)
To use RUN/STOP Buttons on keypad control panel set parameter F_10 to operation mode 0.
Frequency Upper and Lower Limit [Hz] (Parameter F_6, F_7)
The output frequency of the frequency inverter and thus the speed setting range is defined by the parameters Frequency Upper
Limit F_6 and Frequency Lower Limit F_7.
Acceleration time 1 and Deceleration time 1 [s] (Parameter F_1, F_2)
Parameters F_1 sets the acceleration time from 0 Hz to maximum frequency and parameter F_2 sets the deceleration time from
maximum frequency to 0 Hz.
Factory Reset (Parameter F_25)
To reset all parameters back to factory default, set parameter F_25 depending on your mains system.
Example: F_25 = 1150: Reset to Factory Setting (50 Hz, 230 V System)
For the complete S2U IP20 Operating Instructions refer to our website:
https://www.bonfiglioli.com/international/en/product-category/inverters-servo-drives
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DANGER
Risk of death and irreversible destruction of material due to immediate starting at
power-up
If immediate restarting after power-up is configured, the device will start immediately. This will result in serious
physical injuries, death or irreversible destruction of the device.
 Execute utmost caution when in the operating range of the device or its peripheral components.
DANGER
Risk of electric shock
The DC-link capacitors will hold dangerous voltage levels until the capacitors in the DC link are discharged.
 After shutdown, wait for at least 5 minutes before starting any electrical or mechanical work on the
frequency inverter.
 Even after this waiting time, make sure that the equipment is de-energized in accordance with the
safety rules before starting the work.
 Do not make any connections when the inverter is powered on.
 Do not check parts and signals on circuit boards during the inverter operation.
 Do not disassemble the inverter or modify any internal wires, circuits, or parts.
 Ensure that the inverter ground terminal is connected correctly.
Quick Start Guide S2U IP20
DO NOT RUN THE MOTOR, the keypad should display as
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