Function 2: Nin1 > Nin2 - Lenze 8400 StateLine C Reference Manual

8400 StateLine C | Reference manual
Function library
Function blocks | L_Compare_1
16.1.11.2 Function 2: nIn1 > nIn2
This function serves, for instance, to implement the comparison "actual speed is higher
than a limit value" (n
C00681: Hysteresis
[16-6] Function 2: Switching performance
Functional sequence
1. If the value at nIn1_a exceeds the value nIn2_a, bOut changes from FALSE to TRUE.
2. Only if the signal at nIn1_a falls below the value of nIn2_a - hysteresis again, bOut
changes back from TRUE to FALSE.
C00681: Hysteresis
[16-7] Function 2: Example
788
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
> n ) for one direction of rotation.
act x
Œ
bOut
TRUE
FALSE
nIn2_a
nIn1_a
nIn2_a
Œ
bOut
TRUE
FALSE
L
nIn1_a
t
t
Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011