Mitsubishi Electric MELSEC iQ-R Series User Manual page 154

Cam axis position value per cycle restoration operation
■With a two-way cam pattern operation
• Search from "Cam axis position value per cycle = 0". (Cam data starting point = 0)
Cam axis position value per cycle
Cam axis command position value
(Command position value)
Cam reference position
• Search from a value in the middle of the cam axis position value per cycle. (Cam data starting point  0)
Cam axis position value per cycle
Cam axis command position value
(Command position value)
Cam reference position
• Search from a value in the middle of the cam axis position value per cycle. (Cam data starting point  0)
Cam axis position value per cycle
Cam axis command position value
(Command position value)
Cam reference position
• The search fails. (Pattern 1)
Cam axis position value per cycle
Cam axis command position value
(Command position value)
Cam reference position
5 ADVANCED SYNCHRONOUS CONTROL INITIAL POSITION
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5.3 Cam Axis Position Restoration Method
Search from "Cam axis position value per cycle=0".
Restore to the first command position value that matches.
(Other values are not restored.)
[Pr.468] Cam axis position value per cycle (Initial setting)
Search from the value in the middle.
(Preceding values are searched later.)
Restore to the first command position
value that matches.
(The restoration is done on the second.)
[Pr.468] Cam axis position value per cycle (Initial setting)
Cam data
starting point
Restoration fails. No match is found for
the command position value within 1 cycle.
Search from the value in the middle.
Restore to the first command position value that matches.