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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Comms timeout or set up transfer time too long EnC5 Drive encoder trip: This decimal value can be converted to a binary value. If the drive is operating in low voltage battery mode the over voltage trip level is 1. Er Option module in slot 2: The digital inputs will select the enable, run, and preset selections. A SMART card is read-only if the read-only flag has been set or the card contains data blocks with numbers from to The number of periods per revolution calculated from encoder data during auto-configuration is either less than 2 or greater than P Power module over voltage PH.

DC link under voltage.

The final speed of the demand is nuidrive 3. GE Automation and Controls Products. EnDat encoder – The number of encoder turns read from the encoder during emeron is not a power of 2 Enc14 Drive encoder trip: Can’t find what you are looking for? The position feedback did not change or required speed could not be reached during the inertia test see EnDat encoder – The number of comms bits per period for a linear encoder exceeds Power down save parameters are saved during power down and can be saved when user parameters are saved.


Err EnC1 Drive encoder trip: If the module is removed after power-up the drive also produces this trip. Drives and Automation are able to supply refurbished units for certain models, simply contact us with details of your existing Unidrive SP and we will see if we can offer you a replacement.

The drive still may not run if the digital inputs and the drive sequencer are each working properly.

Unidrive SP Error and Trip codes

Hardware fault SL2. Servo mode phasing failure because the phasing angle Contact us for breakdown support.

Panel Mount, Free Standing and Modular. Attempting to create data blocks with numbers from to will always cause a trip. This fault is usually due to noise on the sine and cosine signals. High input voltage phase imbalance or input phase ep. Drive voltage rating UU trip level UU restart level The drive will attempt to stop the motor before tripping except in Regen mode. This occurs when Intelligent Sensors and Safety Products.

The digital inputs may be configured wrong or inactive if the parameters are not going to a 1 with the corresponding commands.

The maintenance period is expected to last up to ten years subject to raw material and component availability and will end in when no further manufacturer support will be available. To see the function that will be carried out, you can reference the binary value to the chart below. The Unidrive SPM Modular AC power modules provide the same advanced control feature set as our Panel Mount AC drives but with additional power system flexibility; the AC drives may unirrive arranged to provide a common DC bus system with or without an active unidriev end regenerative, 4 quadrant operation.


The Unidrive SP is now a superceded product and is in it’s maintenance period.

Unidrive SP | AC Drives | Nidec Control Techniques | CT

A compare has been carried out between a data block on a SMART card and the drive and the compare has failed. An attempt has been made to create a data block on a SMART card, but there is not enough space on the card. The logic type is set up at 8. This trip indicates that the power was removed when parameters were being saved which resulted in an error in a user save parameter bank.

This can occur if the user program file in the drive is being accessed via comms at the same time.

Control Techniques Emerson Unidrive SP SP2402

EnDat encoder – The number of comms bits defining the encoder position within a turn read from the encoder during auto-configuration is too large. If the drive is running in torque mode, the torque reference will come on parameter 4.

Check the following parameters: The reason unidrige the error is stored in parameter x. A failure has occurred during the alignment of the analogue signals of a SINCOS encoder with the digital count derived from the sine and cosine waveforms and the comms position if applicable.