Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
6Digital input DI4 (10.2 DI delayed status, bit 3).DI4
7Digital input DI5 (10.2 DI delayed status, bit 4).DI5
8Digital input DI6 (10.2 DI delayed status, bit 5).DI6
See Terms and abbreviations (page 169).Other [bit]
- / uint16Determines how constant frequencies are selected,
and whether the rotation direction signal is considered
or not when applying a constant frequency.
Constant frequency
function
28.21
1 = Packed: 7 constant frequencies are selectable using
the three sources defined by parameters 28.22, 28.23
and 28.24.
0 = Separate: Constant frequencies 1, 2 and 3 are
separately activated by the sources defined by
parameters 28.22, 28.23 and 28.24 respectively. In case
of conflict, the constant frequency with the smaller
number takes priority.
Constant freq modeb0
1 = Start dir: To determine running direction for a
constant frequency, the sign of the constant frequency
setting (parameters 28.26…28.32) is multiplied by the
direction signal (forward: +1, reverse: -1). This effectively
allows the drive to have 14 (7 forward, 7 reverse)
constant frequencies if all values in 28.26…28.32 are
positive.
WARNING!
If the direction signal is reverse and the active
constant frequency is negative, the drive will
run in the forward direction.
0 = According to Par: The running direction for the
constant frequency is determined by the sign of the
constant speed setting (parameters 28.26…28.32).
Direction enableb1
Reservedb2…15
1 = 10000h…FFFFh
Parameters 349
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