8
vacon • 66
CANopen option board interface
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
8.2
Velocity mode
The velocity mode is one of the specific modes that CIA-402 Drive Profile defines. Common behav-
iour in all modes are PDS state machine, some control and status bits and certain objects.
8.2.1
PDS State machine
The PDS state machine describes the generic start and stop sequence of the drive and the error be-
havior. The state machine is controlled by the Controlword object and internal events.The following
objects are usable in velocity mode:
The possible state machine transitions can be seen from Figure 18. The state of the AC drive can be
changed by writing the corresponding bits to Controlword data object. The needed bit values for
each command can be seen from Figure 17.
Table 63. Velocity mode related objects in OD
Index
Description
0x6040
Controlword
0x6041
Statusword
0x6042
Vl Target Velocity
0x6043
Vl Velocity Demand
0x6044
Vl Velocity Actual Value
0x6046
Vl Velocity Min Max Amount
0x6048
Vl Velocity Acceleration
0x6049
Vl Velocity Deceleration
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