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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All emeerson are going to trip at some point or other. Industrial PCs and Monitors. This trip also applies if a compare is attempted between the data block and the drive. Very high current motors may be controlled using a multi-drive modular arrangement.

Control Techniques Emerson Unidrive SP SP2402

Drive encoder commutation signals connected incorrectly, or measured inertia out of range, or uindrive was rotating when the minimal movement phasing test started see Servo mode phasing failure because the phasing angle The final speed of the demand is parameter 3.

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.

Drive over-heat based on thermal model see Check the following parameters:. HMI and Operator Interface. Unnidrive speed reference will come in on an analog input if you choose a terminal code.

Unidrive SP Error and Trip codes. This trip is produced during a compare if the drive mode in the data block is different from the current drive mode and the file is a parameter or defaults differences file.

This fault is usually due to noise eemrson the sine and cosine signals. Intelligent Sensors and Safety Products. The speed reference should be displayed here if the digital inputs and the drive sequencer are failing to operate properly.


If the module is removed after power-up the drive also produces this trip.

Hiperface encoder – The encoder type could not be identified during auto-configuration. If the motor does not stop in 10seconds the drive trips immediately. HF Option module in slot 2: 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 be arranged to provide a common DC bus system with or without an active front end regenerative, 4 quadrant operation.

P Power module rectifier over temperature OIbr. Follow it to the destination and confirm the speed reference value is arriving there and then through 3.

Unidrive SP – High performance universal AC drive range

Fast turnarounds are usually no problem! Can’t find what you are looking for? This trip does not stop the data transfer, but is a warning that the data for the option modules that are different will be set to the default values and not the values from the card. The example is a VDC signal on analog input 1. Position feedback direction incorrect, or motor could not be stopped during the inertia test, or minimal movement phasing test failed see If you are wanting to upgrade your obsolete Unidrive SP to an M Series Drive, use our quick reference guide to choose the right replacement Drive for your application:.

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Unidrive SP AC Drives

EnDat encoder – The number of comms bits defining the encoder position within a turn read from the encoder during auto-configuration is too large. Er Option module in slot 3: Check the following parameters: This trip indicates that the power was removed when parameters were being saved which resulted in an error in a user save parameter bank. HF Option module in slot 3: Leave a Reply Cancel reply Your email address will not be published.

The digital inputs will select the enable, run, and preset selections. Auto-configuration has been requested by changing parameter If you are happy to proceed we will repair the drive, clean it and load test it before returning it to you. 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.


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

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. 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.

The drive should operate as seen above if the digital inputs unidrige activated correctly. Boot A write to a menu 0 parameter has been initiated via the keypad by exiting edit mode and parameter To unidriv the function that will be carried out, you can reference the binary value to the chart below.

Unidrive SP drives can be configured using the keypad to operate emrson the following modes:.

Unidrive SP Error and Trip codes – Drives and Automation

The drive will now accept a decimal value from 0 to at 6. Attempting to create data blocks with numbers from to will always cause a trip. P Power module over current detected from the module output currents Oht2. The module has started the watchdog system, but has unierive subsequently serviced the watchdog within the timeout period.

You will only need to close the enable signal if it is set to pad. This trip is initiated when phase loss is detected from d.