Mitsubishi Electric MELSEC iQ-FX5 User Manual page 102

Operation timing and processing time
[Operation example]
[Cd.184] Positioning start signal
[Md.141] BUSY signal
M code ON signal ([Md.31] Status: b12)
(WITH mode)
[Cd.7] M code OFF request
Start complete signal ([Md.31] Status: b14)
[Md.26] Axis operation status
Positioning operation
Speed-position switching command
[Cd.23] Speed-position switching control
movement amount change register
Positioning complete signal
([Md.31] Status: b15)
M code ON signal (AFTER mode)
([Md.31] Status: b12)
[Cd.7] M code OFF request
Home position return complete flag
([Md.31] Status: b4)
Operation Normal timing time Unit: [ms]
cycle
t1
0.888 0.3 to 1.4
1.777 0.3 to 1.4
• The t1 timing time could be delayed by the operation state of other axes.
• The t4 timing time depends on the setting of the acceleration time, servo parameter, etc.
• When using the proximity dog signal or "[Cd.46] Speed-position switching command", the t6 timing time could be delayed or
vary influenced by the PLC scan time or communication with servo amplifier.
3 MAJOR POSITIONING CONTROL
100
3.2 Setting the Positioning Data
t1
t2
Standby Speed control
t4
t2 t3
0 to 0.9 0 to 0.9
0 to 1.8 0 to 1.8
Position
Standby
control
Speed
Position
control
control
Speed control is carried out until speed-position switching
signal turns ON.
Position control movement amount is from the input position of
the external speed-position switching signal.
t6
t5
t4 t5
3.96 to 4.45 0 to 0.9
4.85 to 6.49 0 to 1.8
t3
t7
t2
t6
0 to 0.9
0 to 0.9
t7
Follows
parameters
Follows
parameters