Siemens SINUMERIK 840C Installation Instructions Manual page 972

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SINUMERIK 840C (IA)
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@40c K1 K2 K1
@40c K40 K2 K1
@40c K43 K2 K1
@40c K20 K2 K102
@40c K2 K2 K1
@40c K33 K2 K101
@40c K3 K2 K2
R20=1000
@40c K26 K2 K411
@40c K25 K2 K20
@40c K31 K2 K500000
@40c K32 K2 K-500000
@40c K34 K2 K2000
@40c K18 K2 K5
@40c K19 K2 K7
@40c K4 K2 K16
@40c K30 K2 K3000
@40c K16 K2 K360000
@40c K15 K2 K-90000
G0 X252 Y100
@40c K11 K2 K1
G4 X1.8
G1 X0 F1000
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12.19.5 Interpolation and compensation with tables
3. IKA configuration [ika1 data] :
- IKA 2 uses curve 1
- Activate extended IKA
- Cubic interpolation on
- Definition of input A :
Type : Feedrate axis actual value
No. : 1 [=X]
- Definition of the output :
Type : Feedrate axis set position
No. : 2 [=Y]
- Input B=R20 implemented as scaling
with: R20 = 1000 <-> factor = 1
- Definition of input B :
Type : R parameter channel 1
No.: 20
- Limitations :
Maximum traversing range + -500 mm
Modification limitation : 2000 units/IPO
cycle with IPO cycle of 16 ms : 7500 mm/min
- Weighting I/O :
Weighting input : 5/7
Weighting output : 16/3000
[note scaling factor R20 !]
[R20=1000 produces 16/3]
- Modulo function and shift :
Weighted input A modulo 360
Shift input by -90 degrees
to obtain a cosine
therefore Y = Y0+16/3 * SIN[5/7*X-90]
= Y0+16/3 * COS[5/7*X]
4. Approach, activation and machining :
- Approach starting point: 7/5*180=252
- Activate IKA 2
- Wait until start point is reached
- Machining
6FC5197- AA50
12 Functional Descriptions
12–197