Siemens SINUMERIK 840C Installation Instructions Manual page 318

07.97
T
constant of the parallel model)
NC MD
527*
Active:
The bits below are defined for the following spindles. They do not affect the following spindles,
only the active leading axes which belong the to GI grouping defined by the following spindle.
The above values are included when calculating the synchronous position (G403).
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Following axis/following spindle-specific machine data bits
NC MD
528*
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SINUMERIK 840C (IA)
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Partial setpoint
V
FA
delay (derived from the time
delay
7 6
Immediately
Bit 5=1 Include tool length compensations for GI position calculation
Bit 5=0 Do not include tool length compensations
Circle radius compensations are never included in calculations.
Bit 4=1 Include programmable ZO offset (G58...G59) for GI position calculations
Bit 4=0 Do not include programmable ZO offset
Bit 3=1 Include external ZO for GI position calculations
Bit 3=0 Do not include external ZO
Bit 2=1 Include ZO (G54...G57) for GI position calculations
Bit 2=0 Do not include ZO (G54...G57)
Bit 1=1 Include DRF and preset for GI position calculations
Bit 1=0 Do not include DRF and preset
Reference system GI positions
Bit 0=1 The positions have been entered in the workpiece system; include offsets
as for bits 2..5 in calculation
Bit 0=0 Positions have been entered in machine system; do not include any offsets
in calculation
7 6
Switch over Switch over
output bit 7 output bit 6
on on
emergency emergency
retraction retraction
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6 NC Machine Data (NC MD), NC Setting Data (NC SD)
Partial actual value
T
delay
Bit No.
5 4 3
Include tool Include
length program- Include
compen- med ZO external ZO
sation G58...G59
Bit No.
5 4 3
Switch over Switch over Switch over
output bit 5 output bit 4 output bit 3
on on on
emergency emergency emergency
retraction retraction retraction
6FC5197- AA50
6.6.2 Spindle-specific MD bits (spindle bits)
Synchronism fine window
t
Block change on 1 signal
Block change on 0 signal
2 1
Include Include
Ref. system
settable ZO DRF and
GI positions
G54...G57 preset
2 1
Switch over Switch over Switch over
output bit 2 output bit 1 output bit 0
on on
emergency emergency emergency
retraction retraction retraction
0
0
on
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