Mitsubishi Electric MELSECQ Series User Manual page 176

9 POSITIONING CONTROL
Speed
(a) Current feed value not updated
Setting item
Speed-position switching
Cd. 5
request
Refer to "Section 4.7 List of control data" for more information on the setting details.
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Current feed value during speed-position switching control (INC mode)
The following table shows the " Md. 1 Current feed value" during speed-position
switching control corresponding to the " Pr. 4 Current feed value during speed
control" settings.
" Pr. 4 Current feed value during
speed control" setting
0: No update
1: Update
2: Clear to 0 and no update
Speed control Position control
t
Maintained Updated
Speed-position switching signal setting
Set the following item to use the speed-position switching signal "CHG".
Setting
value
Set "1: Validates (enables) the
1 speed-position switching
signal".
search engine
The current feed value at control start is maintained during
speed control, and updated from the switching to position
control.
The current feed value is updated during speed control
and position control.
The current feed value is cleared (set to "0") at control
start, and updated from the switching to position control.
Speed control
Speed Position control
Updated
(b) Current feed value updated
Setting details
Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
54
MELSEC-Q
Md. 1 Current feed value
Speed Speed control
t
0
(c) Current feed value zero cleared
Buffer memory address
154 254 354 454 554
Position control
t
Updated from 0
654 754
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