1. Manuals
  2. Brands
  3. SBT Manuals
  4. DC Drives
  5. L450U
  6. User manual

SBT L450U User Manual

Electric ac drive
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
User Manual
L450U/L450S

Advertisement

Table of Contents
loading

Summary of Contents for SBT L450U

  • Page 2 SBT Electric AC Drive SBT- L450U / L450S User Manual SBT-L450 is a general AC drive produced by Sana Barque Tavan company, capable of driving AC motors up to 24A. The drive provides necessary functions to ensure smooth and reliable operation of the motor at various speeds.

  • Page 3: Chapter 1: Initial Settings

    Chapter 1: Initial Settings L450U / L450S Overview Properties Description Motor Power (kW) Input Voltage (V) 3-phase 380V / 50 -60 Hz Output Voltage (V) 3-phase 0~380V / 0 ~ 100 Hz Rated Current (A) Weight (Kg) Mechanical Installation ■ Dimensions: The drive dimensions needed for mechanical installation are mentioned in Table 1.1.

  • Page 4: Standard Connection Diagram

    Figures 1.2 (a) and 1.2 (b) show the connection between the power connector and drive control circuits in SBT L450U and L450S models, respectively. In L450S model, the drive can be used in a single phase. It is also possible to set and run the drive via the digital operator without connecting digital I/O wiring.
  • Page 5 Figure 2.2 (b): SBT-L450S I/O block diagram...

  • Page 6: Digital Operator

    (REMOTE) for the Run command and speed LO/RE Selection Key reference. The LED is on when the drive is in the LOCAL mode (operation from keypad). [Not available in SBT-L450] Lit while the operator is selected to run the drive LO/RE LO/RE Light (LOCAL mode).

  • Page 7: Lcd Display

    LCD Display Figure 1.4: Panel monitoring menu Name Display Content MODE Displayed when in the main menu. MONITOR Displayed when in Monitor Mode. Operation Mode Menus VERIFY Indicates the Modified Parameters Menu. PRMSET Displayed when in Parameter Setting Mode. A.TUNE Displayed during Auto-Tuning.

  • Page 8: Auto Tuning

    ■ Modified Parameters The parameters which have been modified and changed since the startup of the panel are shown in this menu. If the driver turns off or the panel resets, the list will be cleared. Auto-Tuning The drive offers Auto-Tuning for induction motors. The type of Auto-Tuning used differs further based on the control mode and other operating conditions.
  • Page 9 • Make sure motor nameplate data is readily available before Auto-Tuning the drive. Auto- Tuning requires the user to input data from the motor nameplate or motor test report. Auto-Tuning Operation Example Selecting the Type of Auto-Tuning The example below shows how to select the type of Auto-Tuning. Step Display/ Result Turn on the power to the drive.
  • Page 10 The display automatically returns to the display in Step 1. Repeat Steps 1 through 5 to set the following parameters: • T1-03, Motor Rated Voltage • T1-04, Motor Rated Current • T1-05, Motor Base Frequency • T1-06, Number of Motor Poles •...
  • Page 11 T1-02: Motor Rated Power ■ It sets the motor rated power according to the motor nameplate value. Parameter Name Setting Range Default T1-02 Motor Rated Power 0 to 10 5.3 kW T1-03: Motor Rated Voltage ■ It sets the motor rated voltage according to the motor nameplate value. Parameter Name Setting Range Default...

  • Page 12: Chapter 2: Parameter Details

    Chapter 2: Parameter Details A: Initialization The initialization group contains parameters associated with the initial setup of the drive. Parameters involving the initialization and control method are located in this group. A1-02: Control Method Selection ■ Selects the Control Method (also referred to as the control mode) that the drive uses to operate the motor.
  • Page 13 Deceleration ramp parameters always set the ramp or time to decelerate from the maximum speed to In this version (SBT-L450U), C1-01 is used for acceleration time. C1-02 is used when the motor decelerates from any speed to any other speed (except nominal and leveling speed to zero speed). C1-...
  • Page 14 04 is used when the motor decelerates from leveling speed to zero speed. C1-09 determines the deceleration ramp from nominal speed to zero speed. Note 1: If C1-02=0, drive coast to stop Note 2: If C1-04=0, deceleration from leveling speed will be set according to the value set in C1-02.

  • Page 15: C4: Torque Compensation

    The transition time between accelerating and decelerating ramps is expressed by discrete numbers in SBT-L450U. Eight S-curve settings are available, and are expressed as below: 0: No S Curve 1: Very low 2: Low 3: Intermediate 1 4: Intermediate 2...
  • Page 16 Figure 2.2: Speed Control Block Diagram ■ C5-01, C5-03, C5-13 / C5-02, C5-04, C5-14: Speed Control Loop Proportional Gain 1, 2, 3 / Speed Control Loop Integral Time 1, 2, 3 These parameters can be used to adjust the responsiveness of the Speed Control Loop. Parameter Name Setting Range Default...

  • Page 17: D: Reference Settings

    This parameter sets the filter time constant for the time from the speed loop to the torque command output. Increase this setting gradually in increments of 0.01 for loads with low rigidity, or when oscillation is a problem. The excessive increase of this parameter will cause problems. Parameter Name Setting Range Default...

  • Page 18: E: Motor Parameters

    ■ d1-18: Speed Reference Selection Mode This parameter sets the priority of the speed reference inputs. NOTICE: Always turn off the RUN command before changing the setting of parameters d1-18 (Speed Reference Selection Mode), d1- 01 (Speed Reference Selection).If the RUN command is on, when changing any of these settings, the motor may unexpectedly start running and could result in injury.
  • Page 19 NOTICE: In closed-loop mode (A1-02=3), only frequency and nominal voltage (E1-04, E1-05) are Customizable, which after the auto-tuning, they will be adjusted by the drive automatically. E1: V/f Pattern ■ E1-02: V/f Mode Parameter Name Setting Range Default E1-02 V/f Mode 0 to 3 Setting 0: Normal V/f In this mode, the drive uses V/f curve based on Maximum Voltage (E1-05) and Maximum frequency...
  • Page 20 Voltage(V) E1-05 (E1-03) offset E1-06 E1-07 E1-08 E1-09 E1-10 E1-11 E1-12 E1-13 f (Hz) 8/32 10/32 12/32 16/32 E1-04 (fmax) Figure 2.2 Manual V/f curve E2: Motor Parameters These parameters contain the motor data for induction motors. They are set automatically when Auto- Tuning is performed.

  • Page 21: H: Terminal Functions

    ■ E2-11: Motor Rated Power Sets the motor rated power in kW. If Auto-Tuning completes successfully, the value entered to T1-02 will automatically be saved to E2-11. Parameter Name Setting Range Default E2-11 Motor Rated Power 0.00 to 8.25 kW 5.5 kW H: Terminal Functions H parameters are used to assign functions to the external terminals.

  • Page 22: H2: Multi-Function Digital Outputs

    Setting 8: Leveling Speed Closing a terminal set for “Leveling speed” makes the drive run at the speed reference set to d1-26. Conditions change, however, according to the speed selection mode set in d1-18. Setting 9: Inspection Operation It causes the drive to operate at the speed reference set in the d1-24 parameter. To use Inspection Run, the terminal must be configured before the Up/Down command issued.

  • Page 23: L: Protection Functions

    Setting 2: Drive Ready If the driver is without errors, the relay is absorbed. Setting 3: Baseblock command(NO) When the baseblock is disabled, the relay is absorbed. Setting 4: Fault When a fault occurs, the relay is absorbed. Setting 5: Reverse When the motor moves in the Reverse direction, the relay is absorbed.

  • Page 24: O: Operator Related Settings

    DANGER! In some applications, it is not safe to clear a fault automatically. Automatic fault restart function should not be enabled in such applications. Parameter Name Setting Range Default L5-01 Number of Auto Reset Attempts 0 to 1 o: Operator Related Settings o3: Copy Function These parameters are used to adjust and control the Copy function of the digital operator.
  • Page 25 S1-02: DC Injection Current at Start ■ Determines the amount of current to use for DC Injection at the start. Set as a percentage of the motor rated current. Parameter Name Setting Range Default S1-02 DC Injection Current at Start 0 to 100% 100% S1-03: DC Injection Current at Stop...
  • Page 26 Parameter Name Setting Range Default S1-11 Output Contactor Open Delay Time 0.00 to 1.00 s 0.20 s S1-12: Motor Contactor Control During Auto-Tuning Selection ■ Determines the state of the output contactor control command during Auto-Tuning. If S1-12 is set to 1, the motor contactor will be closed during auto-tuning.
  • Page 27 Setting S3-03 to a high value will increase the ability of the drive to hold the motor in place, but an excessive increase of this parameter can result in motor oscillation. Parameter Name Setting Range Default S3-03 Position Lock Gain at Stop 0 to 100 U: Monitoring Parameters Monitor parameters let the user view various aspects of drive performance using the digital operator...

  • Page 28: Fault Detection

    Fault Detection Faults are detected for drive protection, and cause the drive to stop while triggering the fault output terminal MA-MB MC. Remove the cause of the fault and manually clear the fault before attempting to run the drive again. Fault Name symbol Description...
  • Page 29 Voltage in the DC bus fell below -Input power phase loss. the under-voltage detection level -One of the drive input power wiring terminals is loose. -There is a problem with the Under Voltage 1 voltage from the drive input power. -The power has been interrupted.

  • Page 30: Chapter 3: Tuning The Drive For Elevator Application

    The input source for the Up and Down command can be selected using parameter b1-02. The digital operator could be used for the test purpose. Depending on the elevator main controller, digital inputs or Modbus communication could be used as the source of Up/Down command. (Modbus communication is not available in SBT-L450). b1-02 Up/Down Source...
  • Page 31 Parameter Number Set value Details H1- ** Multi-speed Reference 1 H1- ** Multi-speed Reference 2 H1- ** Multi-speed Reference 3 Different speed reference settings can be selected by combining the three digital inputs as shown in the table below. Digital Inputs Selected Speed Multi-Speed Multi-Speed...

  • Page 32: Step 4: Brake Sequence

    0. C1-01, C1-02, and C1-04 are the default active accel/decel settings in SBT-L450U. In this version (SBT-L450U), C1-01 is used for all accelerations. C1-02 is used when the motor decelerates from any speed to any other speed (except nominal and leveling speed to zero speed).

  • Page 33: Step 5: Control Method Selection

    Table 3.1 Time Zones for Brake Sequence Time Zone Description Up or Down command is issued. Safe Disable terminals H-HC must be set. Speed reference must be selected by input terminals. If the motor contactor feedback signal is not used, then the driver waits for the operation start delay time set in S1-10 to pass, then it proceeds to the next step.
  • Page 34 Table 3.2 Drive problems and corrective actions Problem Control Mode and Possible Cause Corrective Action • Increase the DC Injection Braking Current at Insufficient torque when the brake is released. Start using parameter S1-02. •Increase Torque Detection Gain (C4-01) in steps of 0.2.
  • Page 35 Problem Control Mode and Possible Cause Corrective Action -Increase the parameter value of S3-01. Rollback at start Incorrect adjustment of DC-injector control controllers -Increase the C5-19 -Decrease the C5-20 Motor sound before Incorrect adjustment of DC-injector control controllers - Decrease the C5-19 start - Increase the C5-20 Motor starts when the brake is not released completely...
  • Page 36 - If the cabin landing position is higher in the case with half load, it means that the slip is too much. We need to decrease slip when the cabin is empty (with less slip the lift will go faster without a load in braking condition);...

  • Page 37: Appendix A: Parameters Table

    Appendix A: Parameters Table Setting Parameters Default Default Name Unit Name Unit value Value A1-02 E1-12 Control Method Selection Voltage at 4/32 Max Speed A1-03 Reset Factory E1-13 Voltage at 3/32 Max Speed b1-02 E2-01 Up/Down Command Selection Motor Rated Current Up/Down Command Selection b1-08 E2-02...

  • Page 38: Monitoring Parameters

    Monitoring Parameters U1-01 Speed Reference U1-02 Output Speed U1-03 Output Current U1-05 Speed Feedback U1-06 Output Voltage Reference U1-07 DC Bus Voltage U1-08 Output Power U1-10 Input Terminal Status U1-11 Output Terminal Status U3-01 to U3-08 Fault History 1 to 8 U6-01 Motor Secondary Current (Iq) U6-02...

  • Page 39: Appendix 1: Drive Operation Flowchart

    Appendix 1: Drive Operation Flowchart Drive ON To vie w the c ommand given to S1 to S 6, can use the Monitor paramete r from Apply the stee ring whe el to parame ter U1-10 the S3 to S6 base Also, the paramete r U1-01 in the mon itor sect ion displays the spe ed set on the drive with the command on the...
  • Page 40 Address: No. 126, Noavari 12, Noavari St., Pardis Technology Park, Damavand Rd., Tehran, Iran Tel: +98 21 76251431 +98 21 76250959 Fax: +98 21 76250298...

This manual is also suitable for:

L450s

Table of Contents