Designating The Positioning Address - Mitsubishi Electric MELSEC iQ-R Series User Manual

Designating the positioning address

The following shows the two methods for commanding the position in control using positioning data.
Absolute system
Positioning is carried out to a designated position (absolute address) having the home position as a reference. This address is
regarded as the positioning address. (The start point can be anywhere.)
Address
100
Incremental system
The position where the machine is currently stopped is regarded as the start point, and positioning is carried out for a
designated movement amount in a designated movement direction.
Movement amount
+100
Movement amount -100
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Address
100
Address
150
Address
300
Address 150
Address 100
Address 150
100 150
Point A Point B
Within the stroke limit range
Movement amount
Movement amount
Movement
+100
amount
-150
100 150
Point A Point B
Within the stroke limit range
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• Start point
End point
300
Point C
• Start point
-100
End point
250 300
Point C
3 MAJOR POSITIONING CONTROL
3.1 Outline of Major Positioning Controls
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