Siemens sinumerik 840D sl Function Manual page 281

Caution
Knowledge of the control technology and measurements with servo trace are an absolute
prerequisite for using this function.
References: /IAD/. Commissioning Guide, /FB1/ Function Manual, Basic Functions; Speeds,
Setpoint/Actual Value Systems, Closed-Loop Control System (G2)
Coupling type
The following axis motion can be derived from either of the following:
• Setpoints of leading axes
• Actual values of leading axes
The reference is set in the definition call for the EG axis group:
EGDEF
(see Chapter "Definition of an EG Axis Group")
Coupling factor
The coupling factor must be programmed for each leading axis in the group. It is defined by
numerator/denominator.
Coupling factor values numerator and denominator are entered per leading axis with the
following activation calls:
EGON
EGONSYN
EGONSYNE
(see Chapter "Definition of an EG Axis Group")
Special functions: Axis Couplings and ESR (M3)
Function Manual, 11/2006, 6FC5397-2BP10-2BA0
Detailed description
2.4 Electronic gearbox (EG)
61