Every PowerFlex 700 repair is also burned in under dynamic load on our custom designed loading equipment to make sure the unit will function as required when re-installed at your facility. The drive will then provide the motor with flux as well as perform a check for current flow through all three motor phases. To help minimize the possibility of overshooting a position, ensure that the following parameters are set for the best performance. Included is a listing and description of drive faults with possible solutions, when applicable and alarms. Status Info View parameters that display status information about the drive. Connections Figure 2 - Port Locations - Frames 0…6 0 Frame shown.
Allen bradley powerflex 700 user manual. The default drive configuration energizes the Digital Out 1 relay when power is applied to the drive. Option Description Alarms View alarm queue and clear alarms. Limit Switches for Digital The PowerFlex 700 includes digital input selections for decel and end limit switches. The PowerFlex 70 uses only these fixed percentages.
. The PowerFlex 700 drive will not control the mechanical brake until TorqProve is enabled. Three distinct bands can be programmed. The profile will then transition to the next step and the drive will ramp to the speed of the new step without first going to zero speed. A signal loss has 2. It must be installed, operated, and maintained per the motor manufacturer supplied instructions.
These can be used for applications that use limit switches for Inputs decelerating near the end of travel and then stopping at the end position. If problem persists, replace drive. Press Start and run the drive in the desired direction. For information on… Page Faults and Alarms Drive Status Manually Clearing Faults. Demanding market conditions pose significant challenges. The PowerFlex 700 can offer improved speed regulation by adding speed feedback. Drive can start at any time within 10 seconds of drive powerup.
As the products have evolved, so have our techniques, equipment and testing abilities, which is why we are able to provide a high quality PowerFlex 700 repair solution to our customers. Speed regulation and torque regulation must be separated to understand drive operation. Check for disconnected motor leads. Our repair process for all items ensures that all components found to be defective, damaged, out of tolerance, aged or known to have a high failure rate are replaced, with the result being that your defective unit is not just repaired, it is actually refurbished. The PowerFlex 700 uses an incremental encoder only.
The PowerFlex 700 can selectively use the same percentages or the user can set a trigger point for line loss detect. When the input is detected it transitions to the next step in the profile. Perform any necessary parameter adjustments and start the drive. Confirm that the drive stops and starts normally, then start and slowly accelerate the motor. The drive should remain stopped and in an Auxiliary Input fault condition.
Prior to releasing a mechanical brake, the drive will check motor output phase continuity and verify proper motor control torque proving. This ensures that torque will be delivered to the load when the mechanical brake is released. User Dspy Lines Select the display, parameter, scale and text for the User Display. Check lost or remains below a preset level. When started the drive ramps to the desired velocity, holds the speed, then ramps to zero speed landing or ending at the commanded position within the tolerance window.
Corrective Actions Cause s Indication Corrective Action Drive is Faulted Flashing red status Clear fault. Frequency output does not toggle between high and low values. If Torque Proving is being used, float will be ignored at end of ramp and the mechanical brake will be set. The default value for this parameter was changed from 200. We offer a hassle free, no-charge evaluation for Allen Bradley PowerFlex 700 repair and our low repair prices provide great cost savings to all who utilize our services. Our testing process for all units, including PowerFlex 700 repairs, requires all functions to be fully tested including inputs, outputs, communications ports, keypads, options and other functions.
PowerFlex 70 Enhanced Control and PowerFlex 700 Vector. Faults View fault queue or fault information, clear faults or reset drive. Normal Mode Stop Mode The PowerFlex 700 offers several methods for stopping a load. A cross reference of drive catalog numbers and their respective frame size is provided in the Catalog Number Explanation on. Bits 0-4 are a binary value. Note: this value is not changed when parameters are reset to factory defaults.