Lenze DDS Function library Drive Bedienungsanleitung Seite 83
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Function library LenzeDrive.lib
Special functions
2.7.4 Speed preconditioning (L_NSET)
2−73
L
LenzeDrive.lib EN 1.7
2.7.4 Speed preconditioning (L_NSET)
This FB conditions the main speed setpoint as well as an additional setpoint (or other signals) for the
subsequent controller structure by using a ramp generator or fixed speeds.
L_NSET
nIEqOHysterisis
32767
*
+-
/
x/(1-y)
1
0
1
1
0
1
anJogSetValue(1)
anJogSetValue(0)
anJogSetValue(14)
...
0
3
0
15
DMUX
adnTif(1)
adnTif(0)
adnTif(14)
...
adnTir(1)
adnTir(0)
adnTir(14)
...
dnTir
dnTif
0
3
0
15
DMUX
nCInhVal_a
bRfgStop_b
bRfg0_b
bNSetInv_b
nNSet_a
bJog2_b
bJog4_b
bJog8_b
bTI1_b
bTI2_b
bTI4_b
bTI8_b
nSet_a
bLoad_b
bNAddInv_b
nNAdd_a
ramp generator main setpoint
S-shape
main setpoint
nTiSShaped
x
y
byArithFunction
linking main
setpoint and
additional setpoint
nNOut_a
bRfgIEqO_b
CINH
dnTirAdd
dnTifAdd
JOG 0...15
TI 0...15
ramp generator additional setpoint
bJog1_b
1bExternalCINH_b
bSShapeActive
Fig. 2−73 Speed preconditioning (L_NSET)
Variable name Data type Signal type Variable type Comment
nCInhVal_a Integer analog VAR_INPUT Here the signal is applied that the main setpoint
integrator is to accept when the controller is inhibited
(CINH).
bRfgStop_b Bool binary VAR_INPUT Holding (freezing) of the main setpoint integrator to its
current value.
bRfg0_b Bool binary VAR_INPUT Leads the main−setpoint integrator via the current
T
i
−times to 0.
bNSetInv_b Bool binary VAR_INPUT Control of the signal inversion for the main setpoint.
nNSet_a Integer analog VAR_INPUT Provided for main setpoint; other signals are
permissible.
bJog1_b Bool binary VAR_INPUT
Selection and control of overriding "fixed setpoints"
for the main setpoint.
bJog2_b Bool binary VAR_INPUT
bJog4_b Bool binary VAR_INPUT
bJog8_b Bool binary VAR_INPUT
bTI1_b Bool binary VAR_INPUT
Selection and control of alternative "fixed setpoints"
for the main setpoint.
bTI2_b Bool binary VAR_INPUT
bTI4_b Bool binary VAR_INPUT
bTI8_b Bool binary VAR_INPUT
nSet_a Integer analog VAR_INPUT Here the signal is applied that the main−setpoint
integrator is to accept when bLoad_b = TRUE.
bLoad_b Bool binary VAR_INPUT Control of the two ramp generators in special
situations, e.g. quick stop (QSP)
bAddInv_b Bool binary VAR_INPUT Control of the signal inversion for the additional
setpoint
- Global Drive 1
- PLC Developer Studio 1
- Important note: 2
- Contents 3
- 1.1 About this Manual 5
- 1.1.2 Description layout 6
- 1.1.4 Terminology used 6
- 1.2.1 Hungarian Notation 7
- LenzeDrive.lib EN 1.7 10
- 2 Function blocks 11
- 2.1 General signal processing 12
- General signal processing 13
- L _ A B S 14
- Analog signal processing 15
- 2.2.2 Addition (L_ADD) 15
- * ( - 1 ) 18
- L _ A N E G 18
- 2.2.6 Arithmetic (L_ARIT) 21
- 2.2.7 Changeover (L_ASW) 22
- 2.2.8 Comparison (L_CMP) 23
- 2.2.10 Dead−band (L_DB) 30
- L _ L I M 32
- 2.2.13 Delay (L_PT1_) 33
- 2.2.14 Ramp generator (L_RFG) 34
- 2.3 Digital signal processing 39
- L_DIGDEL 40
- Digital signal processing 41
- 2.3.2.2 Dropout delay 41
- 2.3.2.3 General delay 41
- 2.3.4 Flip−flop (L_FLIP) 43
- 2.3.5 Logical NOT (L_NOT) 44
- 2.3.6 Logical OR (L_OR) 45
- 2.3.7.1 Evaluate rising edges 46
- 2.4.1 Arithmetic (L_ARITPH) 48
- ± 2 - 1 49
- 2.4.3 Comparison (L_PHCMP) 50
- 2.4.4 Difference (L_PHDIFF) 51
- L _ P H D I V 52
- R e v o l u t i o n 52
- 2.4.6 Integration (L_PHINT) 53
- 2.4.6.1 Constant input value 53
- 2.4.7 Integration (L_PHINTK) 55
- 2.4.7.1 Constant input value 56
- Given values: 58
- Solution: 58
- 2.5 Signal conversion 59
- Signal conversion 60
- 2.5.4 Conversion (L_CONVVV) 62
- 2.6 Communication 64
- Communication 65
- 2.6.4 Read codes (L_ParRead) 65
- 2.7 Special functions 73
- Special functions 74
- 2.7.2 Fault trigger (L_FWM) 78
- 2.7.4.1 Main setpoint channel 84
- 2.7.4.2 JOG setpoints 85
- 2.7.4.3 Setpoint inversion 85
- 2.7.4.5 S−ramp 87
- 2.7.4.6 Arithmetic operation 87
- 2.7.4.7 Additional setpoint 88
- 2.7.5.2 Ramp generator 92
- 3 Appendix 95
- Appendix 100
- Integration (L_PHINT), 2−43 101
- Constant input value , 2−43 102
- Constant input value , 2−46 102
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