EMERSON UNIDRIVE SP PDF

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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The speed reference will come in on an analog input if you choose a terminal code. Drives are packaged in three formats: The Unidrive SP can be enabled to run in several ways.

EnDat encoder – The number of comms bits defining the encoder position within a turn read from the encoder during auto-configuration is too large.

Get your faulty Unidrive SP repaired.

Unidrive SP Error and Trip codes – Drives and Automation

P Power module over current detected from the module output currents Oht2. Hiperface encoder – The encoder type could not be identified during auto-configuration Enc13 Drive encoder trip: Nidec Control Techniques Products. The digital inputs may be configured wrong or inactive if the parameters are not going to a 1 with the corresponding commands. Hardware fault SL2. Unidrivd reason for the unidfive is stored in parameter x. The number of periods per revolution calculated from encoder data during auto-configuration is either less than 2 or greater than P Power module heatsink over temperature OV.

The digital inputs will select the enable, run, and preset selections.

This trip is initiated when phase loss is detected from d. Next time your Unidrive is throwing an error code, the following information may help. Unidriive 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.

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When the drive is in the terminal mode the following sequence occurs under eerson conditions: Position feedback selected is not valid i. Your email address will not be published. Er Power down save parameters are saved during power down and can be saved when user parameters are saved. The maintenance period is expected to last up to ten years subject to raw material and component availability and will end in when emersoon further manufacturer support will be available.

The stored codes are compared with the codes from the option modules at power-up.

This is either because the resistance exceeds the maximum measurable value or the drive was not enabled see Servo mode phasing failure because the phasing uidrive The drive will revert back to the user save parameters that were last saved successfully. Very high current motors may be controlled using a multi-drive modular arrangement.

This trip indicates that the power was removed when parameters were being saved which resulted in an error in a user save parameter bank.

The drive will now accept a decimal unidrice from 0 to at 6. All drives are going to trip at some point or other. Our trained engineers will strip down your drive and send you a repair quotation.

Unidrive SP Error and Trip codes

Failure to measure resistance during auto-tune or when starting in open-loop voltage modes 0 or 3. This trip will occur on every subsequent power up until power down save parameters are saved again i. If you have a faulty drive but don’t require on site support, Drives and Automation are able to repair them at our repair centre in Telford.

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 drive modes for the drive. 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. An analog input can be used current or voltagepreset speeds, and a field buss reference. 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.

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P Power module power supply fail OIdC. The Unidrive SP defaults to positive logic. 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. The Unidrive SP is now a superceded product and is in it’s maintenance period.

This trip is also produced if an attempt is made to access a data block that has already been opened by an option module. The module has detected an error and tripped the drive. This trip should never occur as there are no write only parameters in the drive.

Position feedback direction incorrect, or motor could not be stopped during the inertia test, or minimal movement phasing test failed see A write to a menu 0 parameter has been initiated via the keypad by exiting edit mode and parameter If a module is not present, but a code is stored in drive EEPROM to indicate that it should be fitted the drive trips.

Check the following parameters:. Hiperface encoder – The unidrkve type could not be identified during auto-configuration.

Er Option module in slot 3: EnDat encoder – The number of comms bits per period for a linear encoder exceeds Drive encoder commutation signals connected incorrectly, or measured inertia out of range, or motor was rotating when the minimal movement phasing test started see Er Option module in slot 1: The trip can only be removed by entering a load default command i.

When this trip occurs the drive mode becomes Open-loop and all the parameters are set to default.