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31 POSITIONING INSTRUCTION
31.7 Variable Speed Operation
Outline of operation
For each speed, refer to Page 388 Items related to speed.
*1 When FX5 operand is specified
*2 Remains on until it is turned off using program or engineering tool or the positioning instruction is next driven again.
Basic operation
The following describes the basic operation.
1. After the drive contact is turned on, pulse output is started and the speed is increased from the bias speed.
2. After the speed has reached the specified speed, the operation will be performed in the specified speed.
3. If the command speed is changed during operation, the speed is increased/decreased to the specified speed and
operation continues.
4. If the drive contact is turned off, the speed is decreased and pulse output is stopped.
PLSV/DPLSV (s) (d1) (d2)
Drive
contact
12 3 4 5
Speed
Time
*2
Acceleration time
Maximum speed
Deceleration time
Bias speed
Bias speed
Command
speed (s)
Command speed
(s)
Drive contact
Instruction
execution complete
flag (d2)
*1
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