Mitsubishi Electric MELSEC-L LD75D, Руководство пользователя

Страница: 440 / 818

438
Normal timing time
• The t1 timing time could be delayed by the operating status of other axes.
(5) Current feed value during speed-position switching control (ABS mode)
The following table shows the "[Md.20] Current feed value" during speed-position switching control (ABS mode)
corresponding to the "[Pr.21] Current feed value during speed control" settings.
Only "1: Update current feed value" is valid for the setting of "[Pr.21] Current feed value during speed control" in
speed-position switching control (ABS mode).
The error "Speed-position function selection error" (error code: 935) will occur if the "[Pr.21] Current feed value
during speed control" setting is other than 1.
(6) Switching time from speed control to position control
There is 1ms from the time the speed-position switching signal is turned ON to the time the speed-position
switching latch flag ([Md.31] Status: b1) turns ON.
t1 t2 t3 t4 t5 t6 t7
0.2 to 1.1ms 0 to 0.9ms 0 to 0.9ms 0.4 to 1.3ms 0 to 0.9ms 1.0ms Follows parameters
"[Pr.21] Current feed value during speed control" setting [Md.20] Current feed value
1: Update current feed value
The current feed value is updated during speed control and position
control.
t
Speed Position control Speed control
Updated
Current feed value updated
OFF
ON
OFF
ON
1ms
Speed-position switching signal
Speed-position switching latch flag