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BENSHAW RSi GM2 Series - User Manual

BENSHAW RSi GM2 Series
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RSi GM2 Series
Variable Frequency Drive
1.0 to 15HP - 230V
1.0 to 15HP - 460V
Instruction Manual
890054-00-00
©
2020 Benshaw Inc.
Benshaw retains the right to change specifications and illustrations in text without prior notification. The contents of this document may
not be copied without the explicit permission of Benshaw.

Table of Contents

Questions and Answers

  • M
    Melinda CoxAug 15, 2025
    How to fix motor overload trip on BENSHAW DC Drives?
    • B
      barbaracannonAug 15, 2025
      If the motor overload trip is activated on your BENSHAW DC Drive, there are several potential causes: * The load might be exceeding the motor's rated capacity. In this case, consider replacing the motor or inverter with larger models. * The Pr.21 value for the overload trip level might be set too low. Try increasing this value. * There could be a connection problem between the motor and the load. Inspect the connections and measure the amps going to the motor. * The inverter or motor might be too large for the application. Consider replacing them with models that have a lower capacity.
  • J
    Jason SmithAug 18, 2025
    Why is my BENSHAW DC Drives motor overheating?
    • M
      Morgan NguyenAug 18, 2025
      If your BENSHAW DC Drives motor is overheating, it could be due to the load being too high. Try reducing the load or increasing the acceleration/deceleration time.
  • L
    Linda JohnsonAug 21, 2025
    What to do if parameters cannot be set on BENSHAW RSi GM2 DC Drives?
    • K
      ksmithAug 21, 2025
      If you are unable to set parameters on your BENSHAW DC Drives, consider these possibilities: 1. The inverter might be in operation (run mode). Stop the inverter to switch to program mode. 2. The parameter access level might be incorrect. Double-check that you are using the correct access level. 3. The password might be incorrect. Verify the password and disable the parameter lock if necessary.
  • C
    combsjosephAug 26, 2025
    What causes overheating of the motor in BENSHAW DC Drives?
    • M
      millersusanAug 26, 2025
      If the motor has overheated in your BENSHAW DC Drives system, it could be due to these reasons: * The load exceeds the inverter's rated capacity. Replace the inverter with a larger model. * The inverter has been operated at a low speed for an extended time. Ensure adequate motor cooling at low speeds and consider adding supplemental cooling.
  • D
    dunnpattyAug 28, 2025
    Why does BENSHAW RSi GM2 DC Drives internal DC link voltage exceed the OV trip level?
    • K
      Kirsten NortonAug 28, 2025
      If the internal DC link voltage of your BENSHAW DC Drives exceeds the OV trip level, it may be because the input voltage is too high. Check both the supply voltage and the DC Link voltage.
  • N
    Nathan SolisAug 31, 2025
    What to do if BENSHAW RSi GM2 DC Drives motor does not rotate?
    • L
      Leon ByrdSep 1, 2025
      If the motor of your BENSHAW DC Drives system does not rotate, check the following: * The frequency command source might be set incorrectly. Verify the frequency command source setting. * Power might not be supplied to the terminal R/S/T. Inspect the terminal connections R/S/T and U/V/W.
  • C
    Cameron FisherSep 4, 2025
    Why BENSHAW DC Drives inverter protects itself from overload or overheating?
    • A
      Alexis GutierrezSep 4, 2025
      If your BENSHAW DC Drives inverter is protecting itself from overload or overheating, it is likely because the load is greater than the inverter's rated capacity. Consider replacing the inverter with a larger model.
  • R
    Ryan MoralesSep 7, 2025
    How to troubleshoot motor underload trip on BENSHAW DC Drives?
    • S
      Sophia BeckerSep 7, 2025
      If the motor underload trip is activated on your BENSHAW DC Drives, it's likely that the Pr.29, Pr.30 underload level is less than the system’s minimum load. Reduce the value for the underload levels.
  • M
    Megan MooreSep 12, 2025
    Why BENSHAW RSi GM2 DC Drives motor rotates only in one direction?
    • D
      Debra DiazSep 12, 2025
      If the motor in your BENSHAW DC Drives system only rotates in one direction, it is possible that reverse rotation prevention is selected. Remove the reverse rotation prevention to allow rotation in both directions.

Summary

Safety Information

Safety Symbols in This Manual

Explains symbols like Danger, Warning, and Caution used throughout the manual.

General Safety Instructions

Detailed safety precautions for handling the inverter and avoiding hazards.

1 Preparing the Installation

1.1 Product Identification

Details about the GM2 Inverter range and specifications found on the label.

1.3 Installation Considerations

Details ideal installation and operating conditions for the inverter's longevity.

1.4 Selecting the Installation Site

Provides points to consider when selecting an installation location for proper air circulation.

1.5 Cable Selection

Guides on selecting appropriate power and signal cables for safe and reliable operation.

2 Installing the Inverter

2.1 Mounting the Inverter

Step-by-step guide for mounting the inverter on a wall or inside a panel.

2.2 Wiring

Detailed steps for connecting power and control wiring to the inverter terminals.

3 Perform Basic Operations

3.1 About the Keypad

Explains the keypad layout, display, and operation keys.

3.2 Learning to Use the Keypad

Covers moving between groups, parameter codes, and setting values.

4 Learning Basic Features

4.1 Frequency Reference Configuration

Sets and modifies the frequency reference using various input sources.

5 Learning Advanced Features

5.1 Operating with Auxiliary References

Uses main and auxiliary frequency references for calculated operating conditions.

5.2 Jog Operation

Provides temporary manual control of the inverter using digital input terminals.

6 Learning Protection Features

6.1 Motor Protection

Covers protection features for the motor like Overload, Overheat, Stall Prevention.

6.2 Inverter and Sequence Protection

Details inverter protection against faults like open-phase, overload, and external trips.

7 RS-485 Communication Features

7.1 Communication Standards

Outlines RS-485 communication standards and interface specifications.

7.2 Communication System Configuration

Explains setting up the communication system with master and slave devices.

7.2.2 Setting Communication Parameters

Guides on setting communication parameters like ID, protocol, and speed.

8 Table of Functions

8.1 Operation Group

Lists parameters related to operation, frequency, and command sources.

8.2 Drive Group (PAR→dr)

Lists parameters for drive control, torque boost, and frequency settings.

9 Troubleshooting

9.1 Trip and Warning

Explains how to interpret and resolve inverter faults and warnings.

9.1.1 Faults

Lists specific fault codes, their causes, and remedies.

10 Maintenance

10.1 Periodic Inspection Summary

Outlines key areas for periodic inspection of the drive.

11 Technical Specification

11.1 Input and Output Specification

Details electrical specifications, dimensions, and ratings of the inverter.

11.3 External dimensions

Provides physical dimensions and mounting hole information for different models.

BENSHAW RSi GM2 Series Specifications

General IconGeneral
CategoryDC Drives
SeriesRSi GM2 Series
Control MethodMicroprocessor-based control
Communication OptionsModbus RTU, Ethernet
Protection FeaturesOverload, overvoltage, undervoltage, short circuit
Enclosure RatingNEMA 1, NEMA 12
Cooling MethodForced air cooling
Operating Temperature0°C to 40°C
Humidity5% to 95% non-condensing
AltitudeUp to 1000 meters without derating

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