Siemens SINUMERIK 840C Installation Instructions Manual page 316

09.95
Following spindle-specific machine data bits
NC MD
525*
The following bits only apply to following spindles and are active after Power on.
Bit 5
Bit 3
Bit 2
Bit 1
Bit 0
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SINUMERIK 840C (IA)
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7 6
compensa-
Test bit compensatory controller
Bit 5=1 Compensatory controller test mode switched on
Bit 5=0 Compensatory controller test mode not switched on.
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.
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.
Reconfiguration permissible
Bit 1=1 Reconfiguration is permissible (with G401 command or via input display)
Bit 1=0 Reconfiguration not permissible
Spindle can be following spindle
Bit 0=1 Spindle can be following spindle
Bit 0=0 Spindle must not be a following spindle
ManualsBase.com
6 NC Machine Data (NC MD), NC Setting Data (NC SD)
Bit No.
5 4 3
Test bit
Position
overwrite
tory
permissible
controller
6FC5197- AA50
6.6.2 Spindle-specific MD bits (spindle bits)
2 1
Coupling
factor Reconfig. Spindle can
switchover permissible
permissible
0
be FS
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