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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Problems with your drive?

Unidrive SP – High performance universal AC drive range

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

Er Option module in slot 1: FlexiBowl Flexible Feeding Products. Drive voltage rating UU trip level UU restart level Fast turnarounds are usually no problem!

The position feedback did not change or required speed could not be reached during the inertia test see 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 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.

Unidrive SP Error and Trip codes

This is either because the resistance exceeds the maximum measurable value or the drive was not enabled see The digital inputs may be configured wrong or inactive if the parameters are unidtive going to a 1 with the corresponding commands. Er Option module in slot 2: Boot A write to a menu 0 parameter has been initiated via the keypad by exiting edit mode and parameter If cannot find what you are looking for, call our Customer Support team at or email at sales cimtecautomation.


Check the destination of the speed reference at 7. An analog input can be used current or voltagepreset speeds, and a field buss reference. GE Automation and Controls Products. Hiperface encoder – The encoder type could not be identified during auto-configuration.

The drive will attempt to stop the motor before tripping except in Regen mode.

EnDat encoder – The number of encoder turns read from the encoder during auto-configuration is not a power of 2. A write to a menu 0 parameter has been initiated via the keypad by exiting edit mode and parameter The Unidrive SP can be enabled to run in numerous ways.

When the dmerson is not running, there are several additional parameters in menu 6 that unidive assess the issue. All drives share the same flexible control interface regardless of the power rating. 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.

If a module is not present, but a code is stored in drive EEPROM to indicate that it should be fitted the drive trips. The module has started the watchdog system, but has umidrive subsequently serviced the watchdog within the timeout period. Attempting to create data blocks with numbers from to will always cause a trip.

The stored codes are compared with the codes from the emwrson modules at power-up. If the drive is operating in low voltage battery mode the over voltage trip level is 1. 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.


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:.

Why use a DC Motor? The speed reference should be displayed here if the digital inputs and the drive sequencer are failing to operate properly.

Control Techniques Emerson Unidrive SP SP2402

If the drive is running in torque mode, the torque reference will come on parameter 4. P Power module rectifier over temperature OIbr. This trip also applies if a compare is attempted between the data block and the drive.

If the module is removed after power-up the drive also produces this trip. This trip should never occur as ujidrive are no write only parameters in the drive. The module has detected an error and tripped the drive.

If the motor does not stop in 10seconds the drive trips immediately.

This decimal value can be converted to a binary value. You will only need to close the enable signal if it is set to pad.

Unidrive SP Free Standing drives offer a fully engineered drive that is supplied within a standard sized enclosure. Get your faulty Unidrive SP repaired.

This trip cannot unidribe reset until the voltage falls below the maximum continuous level. Drives are packaged in three formats: