Speed Control (I) - Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual

5.13

Speed Control (I)

• Speed control for the specified axis is executed.
• Control includes positioning loops for control of servo amplifiers.
Refer to the speed-torque control for performing speed control that does not include positioning loops without
using the servo program. (Page 431 Speed-Torque Control)
• Speed control () uses the VF (Forward) and VR (Reverse) servo instructions.
: Must be set, : Set if required
Servo Positioning
instruction method
VF
«
VR
*1 Only when the reference axis speed is specified
Processing details
• Controls the axis at the specified speed until the input of the stop command after starting of the servomotors.
Servo instruction
VF
VR
• The operation of the feed current value during speed control is as follows depending on the status of the "[Rq.1152] Feed
current value update command (R: M34492+32n/Q: M3212+20n)".
Setting value
ON
OFF
V
Setting
speed
Speed
control
start
• Refer to the stop processing and restarting after stop for stop commands and stop processing during speed control.
(Page 259 Stop processing and restarting after stop)
5 POSITIONING CONTROL
318
5.13 Speed Control (I)
Number Positioning data set in servo instructions
of
Common
control
axes
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1
Description
Forward direction start
Reverse direction start
Description
The feed current value is updated. The software stroke limit is valid.
"0" is stored in the feed current value.
Operation speed
Arc OSC Parameter block
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Stop command accept
Stop
t
Others
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