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Function library LenzeDrive.lib

Analog signal processing

2.2.16 S−ramp generator (L_SRFG)

2−27

LenzeDrive.lib EN 1.7

2.2.16 S−ramp generator (L_SRFG)

This FB conditions a setpoint through an S−curve (sin

−curve).

L_SRFG

nOut_a

nIn_a

nSet_a

bLoad_b

nDeltaOut_a

dwTi

dwJerk

Fig. 2−30 S−ramp generator (L_SRFG)

VariableName DataType SignalType VariableType Note

nIn_a Integer analog VAR_INPUT Input

nSet_a Integer analog VAR_INPUT Start value for the ramp generator. The ramp is

initiated by bLoad_b = TRUE.

bLoad_b Bool binary VAR_INPUT TRUE = takes the value at nSet_a and outputs this at

nOut_a; nDeltaOut_a remains at 0 %.

nOut_a Integer analog VAR_OUTPUT The signal is limited to ±100 %. (100 % = 16384)

nDeltaOut_a Integer analog VAR_OUTPUT  Provides the acceleration of the ramp generator.

 The signal is limited to ±100 %.

dwTi Unsigned Long VAR CONSTANT RETAIN Acceleration in [%] (100 % = 16384)

dwJerk Unsigned Long VAR CONSTANT RETAIN Jerk

Parameter codes of the instances

VariableName L_SRFG1 SettingRange Lenze

dwTi C1040 0.001 ... 5000.000 % 100.000

dwJerk C1041 0.001 ... 999.999 s 0.200

Note!

16384  100 %  C0011 (n

max

)

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Lenze DDS Function library Drive Bedienungsanleitung Seite 37