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Function library

Function blocks

3.2.23 Control of the drive controller (DCTRL)

3−61

EDSVS9332S−EXT EN 2.0

3.2.23.6 Parameter set changeover (PAR)

The controller loads and operates with the parameter set selected.

l The parameter set to be loaded is selected via the inputs DCTRL−PAR*1 and DCTRL−PAR*2.

The inputs are binary coded (1 from 4).

PAR*2 PAR*1 Selected parameter set

0 0 Parameter set 1

0 1 Parameter set 2

1 0 Parameter set 3

1 1 Parameter set 4

l A LOW−HIGH edge at the input DCTRL−PAR−LOAD enables the controller to switch to the new

parameter set.

) Note!

If the parameter set to be loaded via the terminal X5/Ex is already selected before

switching on the supply voltage, there is no need for the LOW−HIGH edge at the

input DCTRL−PAR−LOAD. In this case, the controller loads the selected parameter

set automatically.

l The controller is not ready for operation for approx. one second. During this period, DCTRL−

RDY displays LOW.

3.2.23.7 Controller state

The binary−coded status of the controller is output via DCTRL−STAT*x. These outputs are connected

to the STAT function block inside the device.

The status can be evaluated via the status word C0150, CAN status word and AIF status word.

STAT*8 STAT*4 STAT*2 STAT*1 Action of the controller

0 0 0 0 Initialisation after the supply voltage has been connected

0 0 0 1 Lock mode, restart protection is active C0142

0 0 1 1 Drive is in controller inhibit mode

0 1 1 0 Controller enabled

0 1 1 1 The release of a monitoring function resulted in a "message"

1 0 0 0 The release of a monitoring function resulted in a "trip"

3.2.23.8 Standstill message (DCTRL−NACT=0)

The standstill message (DCTRL−NACT=0) is set immediately if the actual speed (MCTRL−NACT) falls

below the speed threshold (without any hysteresis effect) set in C0019.

The standstill message disappears if the actual speed (MCTRL−NACT) exceeds the sum of the speed

threshold set in C0019 and the hysteresis. The hysteresis amounts to 1 % of the maximum speed

set in C0011.

) Note!

The hysteresis ensures a stable standstill signal even if the actual speed value jitters.

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Lenze EVS9332xS Manual de usuario Pagina 113