Function And Operation - Mitsubishi FX3G Series User Manual

FX /FX /FX PLC User's Manual - Positioning Control Edition
3G 3U 3UC
Built-in Positioning Functions
8.3.3

Function and Operation

This instruction uses an absolute drive method to perform a 1-speed positioning instruction.
For this instruction, the distance from the origin (zero point) to the target position should be specified.
Command
input
FNC 159
DRVA
Speed
Instruction execution
"Instruction
execution complete" flag
M8029
1) For , specify the number of output pulses (absolute address value).
S
1
16-bit operation
32-bit operation
2) For , specify the output pulse frequency.
S
2
32-bit operation
3) For , specify the pulse output number in the range of Y000 to Y003.
D
1
4) For , specify the rotation direction signal output device number.
D
2
When a high-speed output special adapter is used as a destination for pulse output on a FX
the output shown in the following table for rotation direction signals.
When a built-in transistor output is used as a destination for pulse output on a FX
use transistor output for signals rotation direction.
High-speed output special adapter
connection position
→ For details on the "Instruction execution complete" flag, refer to Subsection 4.7.4.
→ For details on the maximum speed, bias speed, acceleration time,
• • •
S S D
1 2 1
Acceleration
time
Maximum speed
Output pulse
frequency
Bias
speed
-32,768 to +32,767
-999,999 to +999,999
16-bit operation
When a high-speed output special adapter is used 10 to 200,000(Hz)
When a transistor output from the main unit is used 10 to 100,000(Hz)
1st adapter
2nd adapter
8 1-Speed Positioning - DRVI/DRVA Instruction
8.3 Drive To Absolute - DRVA Instruction
and deceleration time, refer to Section 4.2.
•
D
2
Deceleration
time
•
S
2
Number of output
•
pulses S
1
ON
Setting range
Pulse output destination device Rotation direction output
= Y000
D
1
= Y001
D
1
= Y002
D
1
= Y003
D
1
Time
Setting range
10 to 32,767(Hz)
PLC, use
3U
/FX /FX PLC,
3G 3U 3UC
Y004
D =
2
Y005
D =
2
Y006
D
=
2
Y007
D =
2
B - 119
A
B
Apx.