User guide

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05 553
5 Function blocks
5.160 L_TbCompare - comparison
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5.160 L_TbCompare - comparison
This function block compares two signals of the "DINT" data type and can be used e.g. for implemen-
ting a trigger.
• The comparison function is selected via C04085.
• In contrast to the FB L_TbCompare_n
, the window and hysteresis of this FB can be adjusted via
inputs instead of parameters.
Inputs
Outputs
Parameter
Function library: LenzeToolbox
Runtime software licence:  Motion Control HighLevel  Motion Control TopLevel
Identifier/data type Information/possible settings
dnIn1
DINT
Input signal 1
dnIn2
DINT
Input signal 2
dnTolerance
DINT
Window for comparison operation
• Value is internally limited to ≥0.
dnHysteresis
DINT
Hysteresis for comparison operation
• Value is internally limited to ≥0.
Identifier/data type Value/meaning
bOut
BOOL
Status signal "Comparison statement is true"
TRUE The statement of the selected comparison mode is true.
Parameter Possible settings Information
C04085 Comparison operation
0 dnIn1 = dnIn2 Lenze setting
1 dnIn1 > dnIn2
2 dnIn1 < dnIn2
3 |dnIn1| = |dnIn2|
4 |dnIn1| > |dnIn2|
5 |dnIn1| < |dnIn2|
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