Siemens SINUMERIK 840D sl Function Manual page 428

Detailed description
2.3 Setpoint /actual-value system
Special features of SINUMERIK 840D/810D with SIMODRIVE 611 digital:
• MD30110 $MA_CTRLOUT_MODULE_NR[n]
or if the motor encoder has to be evaluated in the NC.
• If direct measuring systems are installed, you can also configure encoders that are
connected to other drives.
SINUMERIK 810D with axis expansion interface
Integrated drive no. 4 should be assigned to machine axis "X1":
Motor measurement channel
Pulse interface
Measurement channel no. 6 should be assigned to machine axis "X1":
X416 as direct measuring system.
The logical number of the drive is set automatically to 4.
Figure 2-3 Example of setpoint/actual-value routing with axis expansion interface
40
and
MD30220 $MA_ENC_MODULE_NR[n]
always have the same logical drive number with either indirect measuring systems
Basic logic functions: Velocities, Setpoint/Actual Value Systems, Closed-Loop Control (G2)
X414
X304
Function Manual, 11/2006, 6FC5397-0BP10-2BA0