Mitsubishi Electric MELSEC iQ-F Series User Manual page 29

Outline of operation
For each speed, refer to Page 43 Items related to speed.
Drive
contact
DRVI/DDRVI
Speed
Drive contact
Instruction execution
complete flag
SM8029
Instruction
execution complete
flag (d2)
*1
*1 When FX5 operand is specified
*2 Remains on until it is turned off by 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.
Deceleration starts from near the target position.
4.
After movement to the specified positioning address, pulse output is stopped.
Operand specification
■When FX5 operand is specified
(1) For (s1), specify the relative positioning address. (Page 46 Positioning address) Set to a value -2147483647 to
+2147483647 in pulse.
• DRVI : -32768 to +32767 (User system unit)
DDRVI : -2147483648 to +2147483647 (User system unit)
•
(2) For (s2), specify the command speed. Set to a value 1 pps to 200 Kpps in pulse.
DRVI : 1 to 65535 (User system unit)
•
DDRVI : 1 to 2147483647 (User system unit)
•
(3) For (d1), specify an axis number (K1 to K4) for which pulses are output.
Specify an axis number whose positioning parameters are set in the high speed I/O parameters. Operation cannot be
performed if any other axis number is specified.
(4) For (d2), specify the bit devices of the instruction execution complete flag and abnormal end flag. (Page 62
Complete flag)
(d2) : Instruction execution complete flag
•
(d2)+1 : Instruction execution abnormal end flag
•
5 POSITIONING INSTRUCTION
82
5.4 Relative Positioning
(s1) (s2) (d1)
Acceleration
time
Command
speed (s2)
Bias speed
(d2)
Maximum speed
Positioning address (s1)
Deceleration
time
Bias speed
*2
Time