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How to Enable +/- Speeds Around Preset Speeds on ATV320 Drive

It is possible to set preset speeds on the ATV320 drive and also allow for manual speed adjustments above and below those presets. Please refer to the steps below.

  1. Set desired preset speeds in [PRESET SPEEDS] menu as shown.

RDY -> CONF -> FULL -> LAC -> Epr (Expert)

RDY-> CONF -> FULL -> Fun [Application Function] -> PSS - [Preset Speeds]

  1. Set up desired values for speed around reference in [SPEED AROUND REFERENCE] menu.

RDY -> CONF -> FULL -> Fun [Application Function] -> SrE (menu shown below)

Example:

Setting Access level to Expert access.

ATV320 Access level menu

Assigning Digital Inputs 2 and 3 to control preset speeds (enabling up to three preset speeds)

Preset Speeds 2, 3, and 4 configured to 14 Hz, 18 Hz, and 22 Hz respectively.

ATV320 Preset speeds menu

Setting Digital input 4 for increase in speed (+).

Setting Digital input 5 for decrease in speed (-).

A +/- speed variation limit of 13% has been applied, restricting any increase or decrease from the preset speed to a maximum of 13%.

Acceleration and deceleration time for changing speed set to 5s.

ATV320 +/- speed around ref menu

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