Nord Drivesystems NORDAC LINK SK250E-FDS, User Manual

Page: 143 / 212

5 Parameter
BU 0250 en-3021 143
P540
Mode phase sequence
(Mode phase sequence)
S P
0 ... 7
{ 0 }
For safety reasons this parameter can be used to prevent a rotation direction reversal and
therefore the incorrect rotation direction.
This function does not operate with active position control (P600 ≠ 0).
0 = None,
"No restriction of direction of rotation"
1 = Dir key locked,
rotation direction change key of the SimpleBox is locked
2 = Clockwise only
*, only clockwise direction is possible. The selection of the "incorrect"
rotation direction leads to the output of the minimum frequency P104 with the field of
rotation R.
3 = Anticlockwise only
*, only counter-clockwise direction is possible. The selection of the
"incorrect" rotation direction leads to the output of the minimum frequency P104 with the
field of rotation L.
4 = Enable direction only
, rotation direction is only possible according to the enable signal,
otherwise 0Hz.
5 = Clockwise only monitored
, "O
nly clockwise monitored*,
only clockwise rotation is
possible. The selection of the "incorrect" rotation direction leads to the FI switching off
(control block). If necessary, a sufficiently large setpoint value (>f
min
) must be observed.
6 = Only anticlockwise monitored
,
"Only anticlockwise monitored"
*, only anticlockwise
rotation is possible. The selection of the "incorrect" rotation direction leads to the FI
switching off (control block). If necessary, an adequately large setpoint value (>f
min
) must
be observed.
7 = Only enable monitored,
"Only enabled direction monitored
, Rotation direction is only
possible according to the enable signal, otherwise the FI is switched off.
*) Applies for control via keyboard and control terminals.
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