Lenze 8400 User Manual

17 Function library
17.1 Function blocks | L_Compare_3
1279
Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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17.1.25 L_Compare_3
This FB compares two analog signals and can be used e.g. to implement a trigger.
• Comparison operation, hysteresis and window size can be parameterised.
Inputs
Outputs
Parameters
Designator
Data type
Information/possible settings
nIn1_a
INT
Input signal 1
nIn2_a
INT
Input signal 2
Designator
Data type
Value/meaning
bOut
BOOL
Status signal "Comparison statement is true"
TRUE The statement of the selected comparison mode is true.
Parameters Possible settings Info
C00690 Function selection
1 nIn1 = nIn2
2 nIn1 > nIn2
3 nIn1 < nIn2
4 |nIn1| = |nIn2|
5 |nIn1| > |nIn2|
6 |nIn1| < |nIn2|
C00691
0.00 % 100.00 Hysteresis
• Lenze setting: 0.50 %
C00692
0.00 % 100.00 Window
• Lenze setting: 2.00 %
 For a detailed functional description see L_Compare_1.
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Lenze 8400 Specifications

General

Category	DC Drives
Series	8400
Protection class	IP20
Control Type	Vector control
Communication	CANopen, PROFIBUS, Ethernet
Protection Features	Overcurrent, overvoltage, undervoltage, overtemperature
Input Voltage	AC 230/400/480 V