Lenze DDS Function library Drive - Manual (Page 30)

2.2.10 Dead−band (L_DB)
Function library LenzeDrive.lib
Analog signal processing
2−20
L
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 D e a d B a n d
n I n _ a
n O u t _ 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.