Specification TWINsync module
35
6 TWINsync operation modes
ID no.: CB08759-001Date: 03/2023
moog
Static mapping
MSD
Slave
MSD
Master
Checksum
Communication state P2617
Torque setpoint P2596
Actual speed value P2599
Actual position value P4220
Error number P2650[0]
Control word P2611
Status word P2612
Mapping by operation mode 
Virtual encoder VE (torque)
Error location P2650[1]
Checksum
Communication state P2617
Figure
 
6.10:
 
Process
 
data
 
interface
 
between
 
the
 
master
 
and
 
slave
 
drives
 
in
 
the
 
operation
 
mode:
 
"Virtual
 
Encoder
 
VE"
 
(torque)
The following figure shows the control structure of the slave drive.
Receiving Master
Torque setpoint
P2603
Receiving Master
Actual speed value
P2606
Receiving Master
Actual position value
P4221
P2609[0]
32768
P2581
P2582
P2609[1]
32768
V
irtual encoder
Actual speed value, Slave
Actual position value, Slave (Single Turn)
Slave
Torque
setpoint
Encoder
CH3
Figure
 
6.11:
 
Virtual
 
encoder
 
VE
 
(torque)
 
control
 
structure
6.2.7 dSPACE TWINsync (rapid-prototyping 
systems from the Fa. dSPACE company)
NOTE
The five operation modes
- PWM_SLAVE, 14
- TCON_SLAVE, 15
- SCON_SLAVE, 16
- PCON_1_SLAVE, 17
- PCON_2_SLAVE, 18
are described separately in the document: "TwinSync dSPACETwinSync 
dSPACE - MSD Servo Drive"