Danfoss VLT Series Programming Manual page 83

Servo Drive Operation
The Switches element itself contains 1–100 switch
elements.
Attribute Mandatory/
optional
(+default value)
CamSwitchMode M
FirstOnPosition M
LastOnPosition M if
CamSwitchMode
= Position; not
used otherwise
MG36D102
Programming Guide
Value Description
range/
allowed
values
Position/ Position and
time time-based
switches are
possible and a
mixture of both
can be used.
Possible values
are:
•
Position:
Position
based.
Attribute
LastOnPo-
sition is
mandatory,
attribute
Duration is
not used.
•
Time: Time
based.
Attribute
LastOnPo-
sition is not
used,
attribute
Duration is
mandatory.
If unit = Lower boundary
User: where the
integer ≥0 switch is ON.
If unit = The unit of this
Revolutions: value depends
float ≥0 on the Unit
attribute of the
Switches
element.
If unit = Upper boundary
User: where the
integer >0 switch is ON.
If unit = The unit of this
Revolutions: value depends
on the Unit
float >0
attribute of the
Switches
element.
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Attribute Mandatory/
optional
(+default value)
AxisDirection M
Duration M if
CamSwitchMode
= Time; not
used otherwise
Table 2.60 Attributes for Switches Element
Illustration 2.121 Example 1
Value Description
range/
allowed
values
Both/ Defines in
positive/ which directions
negative the switches are
used:
•
Both: Switch
is active in
both
directions.
•
Positive:
Switch is
only active,
when the
servo drive
moves in
positive
direction.
•
Negative:
Switch is
only active,
when the
servo drive
moves in
negative
direction.
integer >0 Duration that
the output is
ON. Given in
milliseconds.
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