Lenze DDS Function library Drive Manuel d'utilisateur télécharger pdf (Page 30)

2.2.10 Dead−band (L_DB)

Function library LenzeDrive.lib

Analog signal processing

2−20

LenzeDrive.lib EN 1.7

2.2.10 Dead−band (L_DB)

This FB eliminates disturbances around the zero point (e.g. interfering influences on analog input

voltages).

L_DB

nIn_a

±32767

nOut_a

nGain

nDeadBand

Fig. 2−19 Dead band (L_DB)

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

nDeadBand Integer − VAR CONSTANT RETAIN Dead band

Parameter codes of the instances

VariableName L_DB1 SettingRange Lenze

nGain C0620 −10.00 ... 10.00 1.00

nDeadBand C0621 0 ... 100.00 % 1.00

Function

n D e a d B a n d

n I n _ a

n O u t _ a

n I n _ a

n G a i n = 1 , 0 0

n D e a d B a n d = 6 , 1 0 % = 1 0 0 0

n G a i n = 2 , 0 0

n D e a d B a n d = 0 %

n G a i n

Fig. 2−20 Dead band and gain

 In nDeadBand you can set the parameters for the dead band.

 In nGain you can alter the gain.

 100 % corresponds to 16384.

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Lenze DDS Function library Drive Manuel d'utilisateur Page 30