09.95 6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.6.2 Spindle-specific MD bits (spindle bits)
Following spindle-specific machine data bits
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7 6 5 4 3 2 1 0
Bit No.
NC MD
525*
Test bit
compensa-
tory
controller
Position
overwrite
permissible
Coupling
factor
switchover
permissible
Reconfig.
permissible
Spindle can
be FS
The following bits only apply to following spindles and are active after Power on.
Bit 5 Test bit compensatory controller
Bit 5=1 Compensatory controller test mode switched on
Bit 5=0 Compensatory controller test mode not switched on.
Bit 3 Position overwrite permissible
Bit 3=1 Overwriting positions enabled
Bit 3=0 The synchronous positions (or switching positions) entered for the leading
axes/spindles must not be overwritten. I.e., synchronization must always start
with the same positions.
Bit 2 Coupling factor switchover permissible
Bit 2=1 Switching over the coupling factor is permitted (with G402, G403 commands
or via input display)
Bit 2=0 Switchover not permitted.
Bit 1 Reconfiguration permissible
Bit 1=1 Reconfiguration is permissible (with G401 command or via input display)
Bit 1=0 Reconfiguration not permissible
Bit 0 Spindle can be following spindle
Bit 0=1 Spindle can be following spindle
Bit 0=0 Spindle must not be a following spindle
©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50 6–131
SINUMERIK 840C (IA)
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