Mitsubishi Electric MELSEC iQ-R RD78G4 - Page 155

5 ADVANCED SYNCHRONOUS CONTROL INITIAL POSITION
5.3 Cam Axis Position Restoration Method
153
5
• Restore operation at start of advanced synchronous control
• Cam operation
1000
Command position value[pulse]
Time[ms]
0
Cam axis position
value per cycle[pulse]
Time[ms]
The estimated cam pattern for
"Cam axis position value per cycle = 0[pulse]" as the origin is determined.
Cam axis length per cycle
= 0[pulse]
Cam starting point is set to
"command position value =
0[pulse]".
Cam reference position becomes
"0 - 200 = -200[pulse]".
0
1000
Command position value[pulse]
Time[ms]
-200
0
0
Cam axis position
value per cycle[pulse]
Time[ms]
Cam operation starts from 0 point which is now
"Cam reference position = -200[pulse]".