Lenze DDS Function library Drive Manual de usuario descargar pdf (Pagina 31)

Function library LenzeDrive.lib

Analog signal processing

2.2.11 Differentiation (L_DT1_)

2−21

LenzeDrive.lib EN 1.7

2.2.11 Differentiation (L_DT1_)

This FB differentiates signals. You can use it, for instance, for the acceleration injection (dv/dt).

nIn_a

nOut_a

L_DT1_

bySe nsibility

nGain

nDelayTime

±32767

Fig. 2−21 Differentiation (L_DT1_)

VariableName DataType SignalType VariableType Note

nIn_a Integer analog VAR_INPUT

nOut_a Integer analog VAR_OUTPUT The signal is limited to ±32767.

nGain Integer VAR CONSTANT RETAIN Gain K

nDelayTime Integer VAR CONSTANT RETAIN Delay time T

loss

bySensibility Byte VAR CONSTANT RETAIN Input sensitivity of nIn_a

The FB only evaluates the specified most significant

bits, according to the setting.

Parameter codes of the instances

VariableName L_DT1_1 SettingRange Lenze

nGain C0650 −320.00 ... 320.00 1.00

nDelayTime C0651 0.005 ... 5.000 s 1.000

bySensibility C0653 1 ... 7 1

Function

Selection of the function Function

bySensibility = 1 15 Bit

bySensibility = 2 14 Bit

bySensibility = 3 13 Bit

bySensibility = 4 12 Bit

bySensibility = 5 11 Bit

bySensibility = 6 10 bit

bySensibility = 7 9 Bit

loss

Fig. 2−22 Delay time T

loss

of the 1st order differential section

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 102 103

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Lenze DDS Function library Drive Manual de usuario Pagina 31