Mitsubishi Electric MELSEC iQ-F Series FX5 User Manual page 155

Current feed value
[Md.20] Current feed value during the position-speed switching control depends on the setting of [Pr.21] Current feed value
during speed control as follows.
Setting of [Pr.21] Current feed value during
speed control
0: Current feed value is not updated
1: Update current feed value
2: Current feed value is cleared to zero
■If the current feed value is not updated
V
(1) (2)
(3) (4)
(1) Position control
(2) Speed control
(3) Update
(4) Hold
Time taken for switching from position control→speed control
The time taken from when Position-speed switching signal is turned ON to when Position-speed switching latch flag ([Md.31]
Status: b5) is turned ON is 1 ms.
Position-speed switching signal
Position-speed switching latch flag
[Md.20] Current feed value
The current feed value is updated during the position control. After the control is switched to the speed
control, the current feed value at that point is held.
The current feed value is updated during both position control and speed control.
The current feed value is updated during position control, and the current feed value is then cleated
from the moment it is switched to speed control. (Set to 0)
■If updating the current feed value
V
(1)
t
(1) Position control
(2) Speed control
(3) Update
ON
OFF
ON
OFF
1 ms
■If the current feed value is cleared to zero
V
(2)
t
(3)
(1) Position control
(2) Speed control
(3) Update
9 MAJOR POSITIONING CONTROL
(1) (2)
t
(3) 0
9.2 Positioning Data Settings
9
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