One Drive, Any Power, Any Motor. The Unidrive SP is a universal AC and Servo drive with ratings from to 2,hp. No. String, Cause of trip. 1, UU, DC link under voltage. Under voltage trip and restart levels are as follows: Drive voltage rating UU trip level UU restart level. Unidrive SP AC Drive from Emerson/Control Techniques is a complete drive automation range that covers the power spectrum from to 2, hp. All drives .

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EnDat encoder – The number of comms bits defining the encoder position within a turn read from the encoder during auto-configuration is too large. Can’t find what you are looking for? Ld1 Digital output overload 27 O.

This decimal value can be converted to a binary value. Explore our industry-specific solutions, giving manufacturers a competitive edge. Follow it to the destination and confirm the speed reference value is arriving there and then through 3. Drive voltage rating UU trip level UU restart level When the drive is not running, there are several additional parameters in menu 6 that can assess the issue.

Drive over-heat based on thermal model see The drive will revert back to the power down save parameters that were last saved successfully.

Emerson Industrial Automation: Unidrive SP Troubleshooting – MRO Blog

Er Option module in slot 2: A write to a menu 0 parameter has been initiated via the keypad by exiting edit mode and parameter The drive stores the codes of the modules fitted when the drive parameters are saved. This trip will occur on every subsequent power up until parameters are saved again. Hardware fault SL2.


Intelligent Sensors and Safety Products. CtL Drive over-heat based on control board temperature see This trip indicates that the power was removed when parameters were being saved which resulted in an error in a power down save parameter bank. You will only uidrive to close s; enable signal if it is set to pad.

Optn Parameter data or default difference data is being transferred from a SMART card to the drive, but the option module categories are different between source and destination drives. The Unidrive SP can be enabled to run in several ways.

Under voltage trip and restart levels are as follows: HF Option module in slot 1: All drives are going to trip at some point or other. Call us now on to enquire about a refurbished Unidrive SP.

This trip is also produced if an attempt is made to transfer parameters from a parameter or default difference to the drive if the drive mode in the data block is outside the allowed range of sl modes for the drive. The speed reference should be displayed here if the digital inputs and the drive sequencer are failing to operate properly.

Our extensive experience in retrofit and new projects means we have the knowledge to look deep into the control system where we commonly find the peripheral devices are faulty rather than the drive module.

An attempt has been made to transfer a data block from a SMART card to the drive or to compare a SMART card data block and the checksum is incorrect or the data structure on the card is incorrect.


This trip will occur on every subsequent power up until power down save parameters are saved again i.

Check the following parameters:. Comms timeout or set up transfer time too long EnC5 Drive encoder trip: Our team of engineers are able to offer on site service and breakdown support throughout the UK to get you up and running again quickly. The logic type is set up at 8. The AC modules are easy to install and commission unidrkve can be applied in a wide range of applications.

The drive can be programmed to use positive or negative logic. Er Power down save parameters are saved during power down and can be saved when user parameters are saved.

Unidrive SP Error and Trip codes

Power down save parameters are saved during power down and can be saved when user parameters are saved. Give us a call unjdrive 1. Unidrive SP Free Standing drives offer a fully engineered drive that is supplied within a standard sized enclosure. Failure to measure resistance during auto-tune or when starting in open-loop voltage modes 0 or 3. When the drive is in the terminal mode the following sequence occurs under default conditions: