6 NC Machine Data (NC MD), NC Setting Data (NC SD) 09.95
6.9 MDs for parameter set switchover
MDs for acceleration characteristic for spindles
Speed lim. acc. adapt. as from SW 4
1st to 8th parameter set
2471*-
2478*
Default value Lower input limit Upper input limit Units
99 999 +0 99 999 rpm/or 0.1 rpm
Active on
NC Stop
Acceleration adaptation factor as from SW 4
1st to 8th parameter set
2479*-
2486*
Default value Lower input limit Upper input limit Units
1 000 +10 10 000 0.1 %
Active on
NC Stop
The acceleration is reduced in all spindle modes above the speed defined in MD 2471* -
2478*. The degree of weakening can be set with the matching factor MD 2479* - 2486*.
The machine data has no effect is zero or a value above the maximum speed is entered.
The unit is defined as 0.1 or 1 rpm in MD 5200, bit 3.
Position limit for M19 2nd to 8th parameter set
as from SW 4
2487*-
2493*
Default value Lower input limit Upper input limit Units
2 000 +0 720 000 units/MS
2 000 +0 99 999 999
(as from SW 4.4)
units/MS
2 000 0 72 000 000
Active on
NC Stop
These MD have the same meaning as MD 443*, see also ”Functional Descriptions: Parameter
set switchover”.
P component comp. contr. 2nd to 8th par. set as from SW 4
2494*-
2500*
Default value Lower input limit Upper input limit Units
0 0 16 000 1
Active on
RESET
These MD have the same meaning as MD 487*, see also ”Functional Descriptions: Parameter
set switchover”.
I component comp. contr. 2nd to 8th par. set as from SW 4
2501*-
2507*
Default value Lower input limit Upper input limit Units
0 0 16 000 1
Active on
RESET
These MD have the same meaning as MD 488*, see also ”Functional Descriptions: Parameter
set switchover”.
6–198 ©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)
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