EMERSON UNIDRIVE SP PDF

Mar 23 2020
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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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If you are wanting to upgrade your obsolete Unidrive Ubidrive to an M Series Drive, use our quick reference guide to choose the right replacement Drive for your application:.

Emerson Industrial Automation: Unidrive SP Troubleshooting – MRO Blog

High input voltage phase imbalance or input phase loss. Auto-configuration has been requested by changing parameter The Unidrive SP can be enabled to run in several ways. The final speed of the demand is parameter 3. This will tell the drive where to search for run commands and speed references.

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This trip also applies if a compare is attempted between the data block and the drive. 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. An attempt has been made to access a SMART card, but a card is not present or communications failure has occurred between the drive and the card.

Check menu 1 and 2 to determine where it is stopping if the reference is not getting to this point. Option module in slot 1: P Power module over voltage PH. The drive will now accept a decimal value from 0 to at 6. DC link under voltage. Panel Mount, Free Standing and Modular. Why use a DC Motor? When this trip occurs the drive mode becomes Open-loop and all the parameters are set to default.

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See trips 36 and 37 below. AC I2t on drive output current see The stored codes are compared with the codes from the option modules at power-up.

Unidrive SP AC Drives

Parameter data or default difference data is being transferred from a SMART card to the drive, but the option module categories are different between source and destination drives. HF Option module in slot 1: The drive will revert back to the user save parameters that were last s; successfully. Drives are packaged in three formats: Er Option module in slot 2: Position feedback direction incorrect, or motor could not be stopped during the inertia test, or minimal movement phasing test failed see The module has detected an error and tripped the drive.

DC link over voltage. Call us now on to discuss on site support.

HF Option module in slot 2: The reason for the error is stored in parameter x. Check the following parameters: P Power module rectifier over temperature OIbr.

Explore our industry-specific solutions, giving manufacturers a competitive inidrive. 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.

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Fast turnarounds are usually uhidrive problem! Acc An attempt has been made to access a SMART card, but a card is not present or communications failure has occurred between the drive and the card. This could occur because the module cannot be identified, or the module has not indicated it is running within 5s of drive power-up, or an internal hardware fault has occurred in the module.

Speed Reference The drive still may not run if the digital inputs and the drive sequencer are each working properly. If the drive is running in torque mode, the torque wmerson will come on parameter 4.

P Power module phase loss detection PS. If an LED or LCD keypad are fitted directly to the drive, and the drive is in keypad reference mode, and the keypad is removed the drive produces this trip. This trip is also produced if an attempt is made to access a data block that has already been opened by an option module.

This fault is usually due to noise on the sine and cosine signals.

An analog input can be used current or voltagepreset speeds, and a field buss reference. 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: