Lenze DDS Function library Drive Bedienungsanleitung PDF herunterladen (Seite 23)

Function library LenzeDrive.lib

Analog signal processing

2.2.8 Comparison (L_CMP)

2−13

LenzeDrive.lib EN 1.7

2.2.8 Comparison (L_CMP)

This FB compares two integer values with each other. You can use comparators to implement

threshold switches.

L _ C M P

n I n 1 _ a b O u t _ b

b y F u n c t i o n

n H y s t e r e s i s

n W i n d o w

n I n 2 _ a

Fig. 2−11 Comparison (L_CMP)

VariableName DataType SignalType VariableType Note

nIn1_a Integer analog VAR_INPUT

nIn2_a Integer analog VAR_INPUT

bOut_b Bool binary VAR_OUTPUT

byFunction Byte VAR CONSTANT RETAIN Comparison function for the inputs

nHysteresis Integer VAR CONSTANT RETAIN Hysteresis function

nWindow Integer VAR CONSTANT RETAIN Window function

Parameter codes of the instances

VariableName L_CMP1 L_CMP2 L_CMP3 SettingRange Lenze

byFunction C0680 C0685 C0690 1 ... 6 6

nHysteresis C0681 C0686 C0691 0.00 ... 100.00 % 1.00

nWindow C0682 C0687 C0692 0.00 ... 100.00 % 1.00

Function

Selection of the function Comparison function

byFunction = 1 nIn1_a = nIn2_a

byFunction = 2 nIn1_a > nIn2_a

byFunction = 3 nIn1_a < nIn2_a

byFunction = 4 nIn1_a  = nIn2_a 

byFunction = 5 nIn1_a  > nIn2_a 

byFunction = 6 nIn1_a  < nIn2_a 

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 102 103

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Lenze DDS Function library Drive Bedienungsanleitung Seite 23