MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D - Manual (Page 394)

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MELSEC-Q
9 MAJOR POSITIONING CONTROL
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.
" 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.
Only "1: Update current value" is valid for the setting of " Pr.21 Current feed value
during speed control" in speed-position switching control (ABS mode).
An error (error code: 935) will occur if the " Pr.21 Current feed value during
speed control" setting is other than 1.
t
Speed Position control Speed control
Updated
Current feed value updated
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.
Speed-position switching signal OFF
ON
OFF
ON
1ms
Speed-position switching latch flag