Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
2Drive generates an A7CA DDCS controller comm loss
warning and freezes the speed to the level the drive
was operating at. This only occurs if control is expected
from the external controller, or if supervision is forced
using parameter 60.65 DDCS controller comm
supervision force.
The speed is determined on the basis of actual speed
using 850 ms low-pass filtering.
WARNING!
Make sure that it is safe to continue operation
in case of a communication break.
Last speed
3Drive generates an A7CA DDCS controller comm loss
warning and sets the speed to the speed defined by
parameter 22.41 Speed ref safe. This only occurs if
control is expected from the external controller, or if
supervision is forced using parameter 60.65 DDCS
controller comm supervision force.
WARNING!
Make sure that it is safe to continue operation
in case of a communication break.
Speed ref safe
4Drive trips on 7581 DDCS controller comm loss. This
occurs even though no control is expected from the
external controller.
Fault always
5Drive generates an A7CA DDCS controller comm loss
warning. This only occurs if control is expected from
the external controller, or if supervision is forced using
parameter 60.65 DDCS controller comm supervision
force.
WARNING!
Make sure that it is safe to continue operation
in case of a communication break.
Warning
Auto / uint16Selects the type and scaling of reference 1 received
from the external controller. The resulting value is
shown by 3.11 DDCS controller ref 1.
DDCS controller ref1
type
60.60
0Type and scaling are chosen automatically according
to which reference chain (see settings Torque, Speed,
Frequency) the incoming reference is connected to. If
the reference is not connected to any chain, no scaling
is applied (as with setting Transparent).
Auto
1No scaling is applied.
2Generic reference with a scaling of 100 = 1 (ie. integer
and two decimals).
3The scaling is defined by parameter 46.3 Torque scaling.Torque
4The scaling is defined by parameter 46.1 Speed scaling.Speed
Parameters 419
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