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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Call us now on to discuss on site support. Ld1 Digital output overload 27 O. Hiperface encoder – The encoder type could not be s; during auto-configuration.

Control Techniques Emerson Unidrive SP SP | eBay

DC link over voltage. This could be because the d. The drive should operate as seen above if the digital inputs are activated correctly. Panel Mount, Free Standing and Modular. P Power module power supply fail OIdC.

Unidrive SP AC Drives

Option module in slot 1: Check the following parameters: Hardware fault SL2. This trip will occur on every subsequent power up until power down save parameters are saved again i.

Attempting to create data blocks with numbers from to will always cause a trip. The reason for the error is stored in parameter x.

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This fault is usually due to noise on the sine and cosine signals. Next time your Unidrive is throwing an error code, the following information may help.


If the module is removed after power-up the drive also produces this trip. The stored codes are compared with the codes from the option modules at power-up. P Power module rectifier over temperature OIbr. If the drive is operating in low voltage battery mode the over voltage trip level is 1. The drive will now accept a decimal value from 0 to at 6.

P Power module over voltage PH. The position feedback did not change or required speed could not be reached during the inertia test see 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

Variables and function block calls using more than the allowed RAM space stack overflow. Comms timeout or set up transfer time too long EnC5 Drive encoder trip: The drive will revert back to the user save parameters that were last saved successfully. 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.

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The drive stores the codes of the modules fitted when the drive parameters are saved. P Power module so loss detection PS. 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.


Er Option module in slot 3: The drive can be programmed to use positive or negative logic. Drive voltage rating UU trip level UU restart level Position feedback direction incorrect, or motor could not be stopped during the inertia test, or minimal movement phasing test failed see This trip is produced enerson 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.

Drive encoder commutation signals connected incorrectly, or measured inertia out of range, or motor was rotating when the minimal movement phasing test started see The trip can only emrson removed by entering a load default command i. When the drive is not running, there are several additional parameters in menu 6 that can assess the issue.

Unidrive SP Free Standing drives offer a fully engineered drive that is supplied within a standard sized enclosure. The drive can use digital inputs, keypad, or a field buss networks to give the OK to run.

Er Option module in slot 2: Initialisation is required because the encoder type parameter HF Option module in slot 1: Get your faulty Unidrive SP repaired.