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General| Brand | RAM |
|---|---|
| Model | DBS II |
| Category | Controller |
| Language | English |
General introduction to the DBS (digital bypass solid state) reduced-voltage starter.
Details the key functionalities and capabilities of the DBS starter, such as universal source matching.
Explains configurable system parameters like FLA, current level, and control modes.
Describes the operational modes available for the DBS starter, including display control.
Defines the different operating states (READY, START, RUN, TRIP, COOLDOWN) of the DBS.
Explains the meaning of the LEDs on the DBS control board for status indication.
Details the integrated electronic motor protection features and monitoring capabilities.
Lists and describes various trip conditions that can cause the DBS to stop the motor.
Describes alarm conditions, including current unbalance, and their annunciations.
Presents technical specifications including HP ratings and UL short circuit capacity.
Table detailing HP ratings for various DBS chassis sizes across different voltages.
Specifies UL short circuit capacity ratings for DBS starters per UL 508 Standard.
Provides a comprehensive list of DBS specifications including power supply, current capacity, and modes.
Details terminal data for standard and alternate line, and load connections.
Details dimensional data for standard enclosures for stand-alone starters.
Guidelines for receiving, handling, mounting, and installing the DBS controller.
Steps for inspecting the controller upon receipt and checking for shipping damage.
Instructions on proper mounting techniques and cleaning procedures for the enclosure.
Specifies the environmental conditions required for optimal DBS controller operation.
Explains derating requirements for DBS enclosures based on ambient temperature and altitude.
Covers wiring requirements and best practices for the DBS controller.
Details how to connect incoming power wires to the DBS controller.
Provides recommended torque values for various wire sizes and screw types.
Instructions for connecting motor leads to the DBS bypass contactor.
Guidance on connecting customer control wiring to the main terminal block.
Procedures for properly grounding the starter to an earth ground.
Details the use of field-connected relay outputs for controlling external devices.
Information on communication ports for display and network connectivity.
Guidance on connecting optional power factor correction capacitors.
Recommendations for installing a lightning arrestor for surge protection.
Illustrates external connections to the DBS control and power boards.
Comprehensive guide for setting up and configuring the DBS controller.
Initial inspection steps before applying power and making adjustments.
Details the function and settings of various switches (SW1-SW6) on the DBS control board.
Setting the 16-position rotary switch for motor FLA based on chassis size.
Configuring the current step switch for Constant Current or Step Ramp modes.
Adjusting the ramp or bypass time using the SW3 switch.
Defining operation modes and configurations using the 8-position DIP switch.
Using the pushbutton to acknowledge fault conditions.
Configuring the DBS software for chassis size using the SW6 switch.
Diagram and explanation of the DBS control board layout and switch positions.
Reference tables for setting FLA values based on starter size and motor nameplate.
Step-by-step guide for safely starting up the DBS controller and motor.
Essential pre-start checks to ensure safety and correct installation.
Critical safety warning regarding high voltage hazards during startup.
Procedures for powering up and starting the motor with the DBS controller.
Steps for applying power and initial system diagnostics.
Detailed steps for accelerating the motor and reaching full speed.
Important caution about immediate de-energization if the motor stalls.
Guidance on fine-tuning settings after initial motor start-up.
Guide to identifying and resolving common problems with the DBS controller.
Diagnoses and solutions for issues encountered during the start-up phase.
Details various trip conditions, their possible causes, and troubleshooting solutions.
Explains alarm conditions, their causes, and the corresponding solutions.
Table showing LED and relay status for different alarm and trip conditions.
Overview of the KL4 control and display unit interface.
Details the components and display characteristics of the KL4 unit.
Instructions on navigating menus, viewing status, and operating the DBS via the KL4 unit.
Procedure for acknowledging trip and alarm conditions using the ENTER key.
Steps for modifying operating parameters and set points through the interface.
How to view current system setup values using the interface.
Explanation of functions like clearing thermal capacity and fault history.
Details the various menus available on the DBS display unit.
Description of the Monitor Menu for viewing system conditions.
Description of the Set Point Menu for editing parameters.
Description of the Fault History Menu for reviewing past faults.
Description of the System Setup Menu for current system configuration.
Provides sections for logging switch settings, fault history, set points, and system setup.
Section to record current settings of the main control board switches.
Area to log detailed information about the last trip condition.
Area to log current set point values for various parameters.
Area to log current system setup parameters.
Guidelines for performing periodic preventive maintenance on the DBS controller.
Critical safety warning for de-energizing equipment before maintenance.
Instructions for inspecting and maintaining the controller's enclosure.
Checks for wiring integrity, looseness, and discoloration during maintenance.
Maintenance checks for disconnect devices and their components.
Procedures for inspecting and replacing fuses.
Maintenance steps for contactors, relays, and their terminals.
General maintenance recommendations including part ordering and drawing updates.
Inspection of circuit boards for signs of wear or damage.
Procedures for inspection and repair after a fault condition.
Critical caution for safe inspection and repair after a fault.
Steps to follow before re-commissioning the equipment after a fault.
List of replacement parts for various DBS chassis sizes.
Parts list specific to DBS chassis sizes B1, B2, B3, C1, C2, C3.
Parts list specific to DBS chassis sizes D1, D2, D3, E1, E2, E3.
Diagram and table showing dipswitch settings for determining starter size.
Illustrations of 12-lead parallel, 12-lead series, and 6-lead motor connections.
Step-by-step instructions for testing Silicon Controlled Rectifiers (SCRs).
Critical safety warning regarding electrical hazards during SCR testing.
Definitions of key terms and acronyms used in the manual.
Definition of an alarm signal and its indication.
Definition of the temperature surrounding the device.
Definition of the averaged RMS current reading.
Definition of the delay before the bypass contactor engages.
Definition of the mode where starting current is maintained at a constant level.
Definition of the live current reading for Phase A.
Definition of the initial current limit value for starting modes.
Definition of current imbalance between phases.
Definition of time since the last start.
Definition of an undesirable condition causing an alarm or trip.
Definition of the current a motor normally draws at rated load.
Definition of metal used to dissipate heat from components.
Definition of a motor connection method passing current through SCRs.
Definition of an increase in motor load causing current to rise.
Definition of the allowed current percentage for sudden load increase.
Definition of the time duration for exceeding Jam Current Level.
Definition of a device displaying information using liquid-crystal material.
Definition of steady-state current with rotor locked.
Acronym for National Electrical Manufacturers Association.
Definition of a loss of current or voltage in a polyphase circuit.
Definition of incorrect phase rotation detection.
Definition of a phase-locked loop electronic circuit.
Definition of a semiconductor device triggered by a gate pulse.
Definition of allowable overload indicated by a multiplier.
Definition of maximum time at locked rotor current without damage.
Definition of a mode where current ramps to 500% over time.
Definition of allowable thermal energy absorption.
Definition of calculated thermal capacity consumed by the motor.
Definition of the percentage of thermal capacity consumed.
Definition of a condition stopping the motor to prevent damage.
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