Siemens SINUMERIK 840D sl Function Manual page 256

M3: Coupled axes
5.4 Electronic gearbox (EG)
Leading axis
A leading axis can:
• be used once in the same EG
• be used as leading axis in several coupling modules
• be PLC axis
• be command axis
Leading and following axis
The following is allowed for leading and following axes:
real
linear axis
rotary axis
modulo-corrected rotary axis
type of coupling
For each leading axis, the EG may refer to:
• the actual value or
• the setpoint
Reference system
The calculations are made in the basic co-ordinate system BCS.
Synchronous actions
Synchronous actions (see Literature: /FBSY/) are not supported.
Block search
EG commands are ignored in the case of block search.
Mode change
In the case of a mode change:
• the EG status remains unchanged
• the EG configuration is retained
256
simulated
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
Special Functions