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Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
1272
17
Function library
17.1
Function blocks | L_CalcDiameter_1
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17.1.22.5 Limit value monitoring
wMinDiameter
and
wMaxDiameter
serve to define the limit values for the given diameter values. If
they are reached/exceeded, the corresponding ouput (
bDMaxLimit
/
bDminLimit
) is set to TRUE.
• The unfiltered diameter value
dwOutDiameter
and the filtered diameter value
nDiameter_a
are
limited.
• The limit values are entered in [mm].
• The hysteresis for resetting
bDMaxLimit
/
bDminLimit
is permanently set to 1 % of
wMaxDiameter
.
• For parameter setting of further FBs, the value in
wMinDiameter
with regard to
wMaxDiameter
is provided via the
nDMin_a
output.
17.1.22.6 Converting diameter in 1/D
For evaluating the material speed with 1/D (speed-controlled winder), the reciprocal value of the
reel diameter is provided via
nReziprDiameter_a
.
• This value refers to the limitation value
wMinDiameter
.
17.1.22.7 Physical state variables
The
dwOutDiameter
output provides the current diameter as physical quantity (1 LSB
≡
1 m).
nNReel_v
outputs the winding speed which results from the
nMotorSpeedAct_v
motor speed and
the current (
wGearNum
/
wGearDenom
) gearbox factor.
For supporting further functions (e.g. a traversing control), the winding speed is integrated
additionally.
• The angle of rotation is output via
dnPos_p
.
• By setting
bResetPos
to TRUE, the angle of rotation is reset.