Setting The Speed Change Function From The Plc Cpu - Mitsubishi Electric QD77MS User Manual

(5) The warning "Deceleration/stop speed change" (warning code: 500) occurs
(6) The warning "Speed limit value over" (warning code: 501) occurs and the
(7) When the speed is changed during interpolation control, the required speed
(8) When carrying out consecutive speed changes, be sure there is an interval
(9) When a speed change is requested simultaneously for multiple axes, change
(10) Speed change cannot be carried out during the machine OPR. A request for
(11) When deceleration is started by the speed change function, the deceleration
(12) The speed change function cannot be used during speed control mode,

[3] Setting the speed change function from the PLC CPU

The following shows the data settings and sequence program example for
changing the control speed of axis 1 from the PLC CPU. (In this example, the
control speed is changed to "20.00mm/min".)
(1) Set the following data.
Setting item
[Cd.14] New speed value
Speed change
[Cd.15]
request
: Refer to Section 5.7 "List of control data" for details on the setting details.
and the speed cannot be changed in the following cases.
 During deceleration by a stop command
 During automatic deceleration during positioning control
speed is controlled at the "[Pr.8] Speed limit value" when the value set in
"[Cd.14] New speed value" is larger than the "[Pr.8] Speed limit value".
is set in the reference axis.
between the speed changes of 100ms or more.
(If the interval between speed changes is short, the Simple Motion module
will not be able to track, and it may become impossible to carry out
commands correctly.)
the speed one by one.
Therefore, the start timing of speed change is different for each axis.
speed change is ignored.
start flag does not turn ON.
torque control mode or continuous operation to torque control mode.
Refer to Section 12.1 "Speed-torque control" for the speed change during
speed control mode or continuous operation to torque control mode.
(Use the speed change time chart shown in section (2) below as a reference,
and set using the sequence program shown in section (3).)
Setting
value
2000 Set the new speed.
1 Set "1: Change the speed".
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Chapter 13 Control Sub Functions
Setting details
Buffer memory address
QD77MS2
QD77MS16
QD77MS4
1514+100n 4314+100n
1515+100n 4315+100n
1516+100n 4316+100n
n: Axis No.-1