Positioning Range; Relevant Variables - Mitsubishi Electric MELSEC iQ-R Series User Manual

2.2

Positioning Range

"Positioning range" is "-10000000000.0
determined by AxisName.PrConst.RingCount_UpperValue and AxisName.PrConst.RingCount_LowerValue.

Relevant variables

Variable/Structure name
AxisName.PrConst.
RingCount_Enable
RingCount_UpperValue
RingCount_LowerValue
AxisName.Md.
SetPosition
CumulativePosition
FeedMachinePosition
CommandedPosition
ActualPosition
*1 The value is not fetched when the ring counter is disabled.
*2 The stored value includes an error because a floating-point error occurs.

positioning range < 10000000000.0". The range of AxisName.Md.SetPosition is
Name
Ring counter enable selection
Ring counter upper limit value
Ring counter lower limit value
Set position
Cumulative current position
Feed machine position
Commanded position
Actual position
Details
Selects the ring counter enable/disable.
0: Disabled
1: Enabled
Sets the ring counter upper limit value.
-10000000000.0 to 10000000000.0
Sets the ring counter lower limit value.
-10000000000.0 to 10000000000.0
*2
Stores the current position address.
• The set position is a value which rounds the cumulative current value with
the ring counter range.
Stores the current position address.
• When the current value is changed, the address is changed to the current
change value.
Stores the current position address by the machine coordinate.
• The accumulative value from the homing complete position is set.
• The address is not changed even if the current value is changed.
Stores Position/Distance specified in the positioning FB.
Stores the actual current value
• The value of "the current position  driver unit conversion denominator /
numerator" is set. For details, refer to the following.
Page 341 Driver unit conversion function
2 AXIS MANAGEMENT FUNCTIONS
*1
*1
2.2 Positioning Range
2
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