Lenze E84AVHC Series - 14.1.27.2 Function 2: dnIn1

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Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010 L 907

8400 HighLine | Parameter setting & configuration

Function library

Function blocks | L_ComparePhi_1

14.1.27.2 Function 2: dnIn1 > dnIn2

This function serves, for instance, to implement the comparison "actual speed is higher

than a limit value" (n

act

> n

) for one direction of rotation.

[14-14] Function 2: Switching performance

Functional sequence

1. If the value at dnIn1_p exceeds the value at dnIn2_p, bOut changes from FALSE to TRUE.

2. Only if the signal at dnIn1_p falls below the value of dnIn2_p - hysteresis again, bOut

changes back from TRUE to FALSE.

[14-15] Function 2: Example

n C001671: Hysteresis

TRUE

FALSE

bOut

dnIn2_p

dnIn1_p

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