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ADL300 • Functions description and parameters list 29

5.5 – DISTANCE

Use of the distances facilitates positioning of the deceleration sensors and is helpful for managing short oors.

The aim of the function that considers distances is to start decelerating from high speed in order to reach the approach speed in

proximity to the landing zone.

Up to a maximum of 8 di󰀨erent slow down distances can be managed (real distance between the start of the sensor and the oor)

associated with the di󰀨erent multispeeds. The distance to be used is selected after enabling the drive, before the cabin starts to

move. Di󰀨erent distances cannot be selected while the cabin is travelling.

If the slow down distance is shorter than the real deceleration distance for the selected target speed, the speed is automatically

limited so that the stop is always correct. When this speed limiter is enabled a Speed target alarm (warning) is generated.

High Speed

Speed Limit

Distance function: Speed limits

d1 = Speed limiter (Speed Limit

d2 = High speed

If the slow down sensor is met during acceleration, the distance required to terminate the acceleration and deceleration phases may

be greater than the distance available: in that case the last acceleration jerk is increased to enable correct landing.

Acc end jerk

Distance

disabled

Piano corto (ShortFloor)Piano standard(StandardFloor)

Distance function: Short floor

..... Distance disabled

Distance enabled (Short floor)

Standard floor

Also note that when the position sensor is not enabled in the landing zone, its exact length is not known. To ensure correct decel-

eration this distance is estimated on the basis of the value entered in the Landing zone dist parameter.

When this is equal to zero the distance is calculated on the basis of the value of the low speed and deceleration parameters and

shown in the Landing zone space parameter. The user should make sure this distance is approximately the real length of the land-

ing zone.

In FOC mode the distance is calculated by reading the encoder position.

In the SSC and SLS modes the distance is estimated (SpdRef*Time) and is thus subject to errors due to the di󰀨erence between the

real speed of the motor and the speed reference.

Menu PAR Description UM Type FB BIT Def Min Max Acc Mod

5.5.1 11102 Distance multispeed0 m FLOAT 0.00 0.00 10.00 RW FVS

Setting of the value of the distance associated with multispeed 0.

gefran SIEIDrive ADL300 Functions Description And Parameters List

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