Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 219

5. HOW TO USE THE PROGRAM
(b) Continuous travel commands (MOVA/MOVIA)
The "MOVA" command is a continuous travel command against the "MOV" command. Upon
executing the travel command by the "MOV" command, the travel command by the "MOVA"
command is executed continuously without a stop.
The varying speed point under the "MOVA" command is at the deceleration start position of the
operation by the preceding "MOV" or "MOVA" command.
The acceleration/deceleration time constants of the "MOVA" command are set to the values at the
execution of the preceding "MOV" command.
The "MOVIA" command is a continuous travel command against the "MOVI" command. Upon
executing the travel command by the "MOVI" command, the travel command by the "MOVIA"
command is executed continuously without a stop.
The varying speed point under the "MOVIA" command is at the deceleration start position of the
operation by the preceding "MOVI" or "MOVIA" command.
The acceleration/deceleration time constants of the "MOVIA" command are set to the values at the
execution of the preceding "MOVI" command.
POINT
You cannot use a combination of "MOV" and "MOVIA" commands and a
combination of "MOVI" and "MOVA" commands.
Command Name
Absolute value travel
MOV
command
Absolute value
MOVA continuous travel
command
Incremental value
MOVI
travel command
Incremental value
MOVIA continuous travel
command
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Setting Unit
STM
MOV (Setting value) ×10
STM
MOVA (Setting value) ×10
STM
MOVI (Setting value) ×10
STM
MOVIA (Setting value) ×10
Description
Absolute value travel
μm
command
Absolute value
μm
continuous travel
command
Incremental value
μm
travel command
Incremental value
μm
continuous travel
command