Mitsubishi Electric MELSEC-Q Series User Manual page 474

Feed current value during 1-axis speed control
The following table shows the "[Md.20] Feed current value" during 1-axis speed
control corresponding to the "[Pr.21] Feed current value during speed control"
settings.
"[Pr.21] Feed current value during speed
0: Do not update feed current value
1: Update feed current value
2: Zero clear feed current value
V
In speed control
Feed current value during speed control start is maintained
(a) Feed current value not updated
Restrictions
(1) Set "Positioning complete" in "[Da.1] Operation pattern". The error
"Continuous path control not possible" (error code: 516) will occur and the
operation cannot start if "continuous positioning control" or "continuous path
control" is set in "[Da.1] Operation pattern".
("Continuous positioning control" and "continuous path control" cannot be set
in speed control.)
(2) Set the WITH mode in "[Pr.18] M code ON signal output timing" when using an
M code. The M code will not be output, and the M code ON signal will not turn
ON if the AFTER mode is set.
(3) The error "No command speed" (error code: 503) will occur if the current
speed (-1) is set in "[Da.8] Command speed".
(4) The software stroke limit check is not carried out if the control unit is set to
"degree".
control" setting
V
In speed control
t
Feed current value is updated
(b) Feed current value updated
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Chapter 9 Major Positioning Control
[Md.20] Feed current value
The feed current value at speed control start
is maintained.
The feed current value is updated.
The feed current value is fixed at 0.
V
t
0
(c) Feed current value zero cleared
In speed control
t