5 Control via TWINsync
The slave drive in the TWINsync set-up can be controlled by the TWINsync master
via the TWINsync control word or via any other control location (e.g. digital inputs or
field bus). The control location can be configured via the control location selector
(P0159) MPRO_CTRL_SEL. To select the "TWINsync" as the control location, the
value TWIN(10) must be set for P0159. Control of the drive then takes place via the
TWINsync control word (parameter (P2611) MPRO_TWIN_SlaveCtrlWord, (see the
table for P2611) and the drive status is given in parameter (P2612) MPRO_TWIN_
SlaveStatus (see the table for P2612). The TWINsync master copies its own control
word onto the TWINsync control word that is sent from the TWINsync master to the
TWINsync slave via the process data channel. This causes the TWINsync slave to
obey the same control commands as the TWINsync master. In addition, error
acknowledgement and homing can be triggered on the slave via the TWINsync
control word. The TWINsync slave also sends its TWINsync status word back to the
TWINsync master via the process data channel.
Bit No.
Function
0
Operation_mode_0
1
Operation_mode_1
2
Operation_mode_2
3
Operation_mode_3
4
Operation_mode_4
5
EnableOperation
6
SwitchOn
7
CoastStop
8
QuickStop
Table 5.1: Structure of the TWINsync control word (P2611) MPRO_TWIN_
SlaveCtrlWord
moog
ID no.: CB08759-001 Date: 03/2023
5 Control via TWINsync
Description
reserved
reserved
reserved
reserved
reserved
Begin control
Switch on the power stage
No torque applied to drive
Quick stop
Bit No.
Function
9
StartHoming
10
FaultReset
11
EnableVoltage
12
ReSyncPosition
13
FREE2
14
FREE3
15
FREE4
Table 5.1: Structure of the TWINsync control word (P2611)
MPRO_TWIN_Sla-veCtrlWord (continued)
Bit No.
Function
0
Operation_mode_0
1
Operation_mode_1
2
Operation_mode_2
3
Operation_mode_3
4
Operation_mode_4
5
OperationEnabled
6
Fault
7
Free_7
8
Free_8
9
HomePositionSet
10
Free_10
11
Free_11
12
OpInProgress
13
ActDrivecom_0
14
ActDrivecom_1
15
ActDrivecom_2
Table 5.2: Structure of the TWINsync status word (P2612) MPRO_TWIN_
SlaveStatus
Specification TWINsync module
Description
Start homing
Error reset
Enable power stage
Re-synchronization of the master position
reserved
reserved
reserved
Description
reserved
reserved
reserved
reserved
reserved
Control is active
Drive is in the error state
reserved
reserved
The drive has been homed
reserved
reserved
The slave is busy (is switching to the new DriveCom
state)
current DriveCom state bit 0
current DriveCom state bit 1
current DriveCom state bit 2
20
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