1 function 1: dnin1 = dnin2, Function 1: dnin1 = dnin2 4, 19 function library – Lenze 8400 TopLine User Manual
Page 1424
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19
Function library
19.1
Function blocks
1424
Lenze · 8400 TopLine · Reference manual · DMS 6.0 EN · 06/2014 · TD05/TD14
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19.1.31.1 Function 1: dnIn1 = dnIn2
This function compares two signals with regard to equality. It can, for instance, provide the
comparison "actual speed equals setpoint speed " (n
act
= n
set
).
• Use
to set the window within which the equality is to apply.
• Use
to set a hysteresis if the input signals are not stable and the output oscillates.
[19-12] Function 1: Switching performance
[19-13] Function 1: Example
: Window
TRUE
FALSE
bOut
dnIn2_p
dnIn1_p
: Window
dnIn1_p
dnIn2_p
TRUE
FALSE
bOut
t
t
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