Siemens SINUMERIK 840C User Manual

Page 387

Advertising
background image

6 NC Machine Data (NC MD), NC Setting Data (NC SD)

09.95

6.9 MDs for parameter set switchover

Number of teeth motor

2)

1st par. set to 8th par. set

3032*-

3060*

Default value

Lower input limit

Upper input limit

Units

1

1

999 999

99 999 999 (as from SW 4.4)

Active on

Power On

Number of teeth spindle

2)

1st par. set to 8th par. set

3064*-

3092*

Default value

Lower input limit

Upper input limit

Units

1

1

999 999

99 999 999 (as from SW 4.4)

Active on

Power On

This machine data is used to define the speed ratio of a gear box for all parameter sets, see
functional description of "”Ratio” parameter group".

Zero mark correction +

2)

1st par. set to 8th par. set

3096*-

3124*

Default value

Lower input limit

Upper input limit

Units

0

- 999 999

16 000 (as from SW 4.4)

999 999

16 000 (as from SW 4.4)

units (MS)

Active on
NC Stop

Zero mark correction -

2)

1st par. set to 8th par. set

3128*-

3156*

Default value

Lower input limit

Upper input limit

Units

0

- 999 999

16 000 (as from SW 4.4)

999 999

16 000 (as from SW 4.4)

units (MS)

Active on
NC Stop

These MDs are used to correct gear-stage-related offsets between the zero mark and
reference position, see functional description of "”Ratio” parameter group".

Backlash comp. 1st measuring system

2)

2nd par. set to

8th par. set

3160*-

3184*

Default value

Lower input limit

Upper input limit

Units

0

- 16 000

16 000

units (MS)

Active on
NC Stop

For axes only:

To compensate for the backlash in different gear stages.

Motor control equilibration 2nd - 8th par. set

as from SW 4

3188*-

3212*

Default value

Lower input limit

Upper input limit

Units

0

-70

-700 (as from SW 4.4)

70

-700 (as from SW 4.4)

0.1 % of the power

section current

Active on
NC Stop

These MD have the same meaning as MD 1292*, see also ”Functional Descriptions:
Parameter set switchover”.
_______

1)

As from SW 4.4

2)

As from SW 4

6–202

©

Siemens AG 1992 All Rights Reserved 6FC5197- AA50

SINUMERIK 840C (IA)

Advertising
This manual is related to the following products: