Danfoss MCO 305 Design Manual page 204

MCO 305 Design Guide
33-4* Limit Handling
Parameters for determination the limit switches
behavior.
33-40 Behavior at End Limit Switch
ENDSWMOD
Option
Call error handler
Controlled stop
Function
This parameter defines the behavior when a positi-
ve or negative hardware end limit is activated.
Behavior after Error see par. 33-83 (ERRCOND).
33-41 Negative Software End Limit
NEGLIMIT
Range [Unit]
-MLONG – MLONG [qc]
Function
NEGLIMIT indicates the negative position limit for
all movements. If this value is exceeded then an
error is triggered. NEGLIMIT is only active if par.
33-43 SWNEGLIMACT has been set.
If a positioning command is entered which exceeds
the limits set, then it is not executed.
NB!:
When using the command DEF ORIGIN
the path limitation is automatically
adapted so that the original position of
the positioning range is maintained.
NB! :
The path limitation is always given in
quadcounts.
33-42 Positive Software End Limit
POSLIMIT
Range [Unit]
-MLONG – MLONG [qc]
Function
POSLIMIT indicates the Positive position limit for all
movements. If this value is exceeded then an error
is triggered.
default setting
204
__ Parameter Reference __
[0]
[1]
-500000
500000
[ ] value for use in communication via serial communication port
®
MG.33.L4.02 – VLT is a registered Danfoss trademark
POSLIMIT is only active if par. 33-44
SWPOSLIMACT is set. If a positioning command is
entered which exceeds the limits set, then it is not
executed.
NB!:
When using the command DEF ORIGIN
the path limitation is automatically
adapted so that the original position of
the positioning range is maintained.
NB! :
The path limitation is always given in
quadcounts.
33-43 Negative Software End Limit Active
SWNEGLIMACT
Option
Inactive
Active
Function
By setting this parameter to [1] the FC 300 is
informed that the negative software end limit
should be monitored. Then it is checked whether
the target position is located outside of the permis-
sible movement range during every movement. In
this case an error message is issued and the drive
control is switched off.
In the positioning mode this means that the corres-
ponding positioning process is not started and the
error can be cleared with the ERRCLR command.
In synchronizing and speed mode an error can only
be recognized after the limit has been exceeded,
thus when the error message is issued the drive is
already outside of the permissible area of
movement. In this case, it is necessary to move
the drive by hand back to the admissible area and
to erase the error, or to temporarily turn off the
corresponding Software End Limit and then delete
the error.
33-44 Positive Software End Limit Active
SWPOSLIMACT
Option
Inactive
Active
[0]
[1]
[0]
[1]