Mitsubishi Electric MELSEC iQ-F FX5 Series User Manual page 157

• The search fails. (Pattern 2)
When the cam axis position value per cycle restoration is executed in a cam stroke range that straddles 0 [degree]
Cam axis position value per cycle
360 degree
180 degree
Cam reference position
Cam axis command position value
(Command position value)
-180 degree
Execute cam axis position value per cycle restoration within a cam stroke range exceeding 0 and less than 360 [degree].
Cam axis position value per cycle
360 degree
180 degree
Cam axis command position value
(Command position value)
Cam reference position
■With a feed operation cam pattern
• 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
0
Cam stroke range
Cam stroke range
0
5 ADVANCED SYNCHRONOUS CONTROL INITIAL POSITION
When "degree" is the unit in a cam stroke range that
straddles 0 degree, the range for the command position
value is 0 to 359.99999. The cam axis position value
per cycle is restored at the position on the dotted line
and the error "Cam axis position value per cycle
restoration disable" (error code: 1C28H [FX5-SSC-S],
or error code: 1E78H [FX5-SSC-G]) will occur.
Search from "Cam axis position value per cycle=0".
Restore to the first command position value that matches.
(Other values are not restored.)
5.3 Cam Axis Position Restoration Method
5
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