Mitsubishi Electric Melsec-F FX3GC Series User Manual page 174

FX /FX /FX /FX /FX
3S 3G 3GC 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
FNC159
DRVA
Speed
Instruction execution
"Instruction
execution complete" flag
M8029
1) For
S
1
16-bit operation
32-bit operation
2) For
S
2
32-bit operation
3) For
D
1
4) For
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
FX PLC, use transistor output for signals rotation direction.
3UC
High-speed output special adapter
B - 130
PLC User's Manual - Positioning Control Edition
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
1 2
Acceleration
time
Maximum speed
Bias
speed
, specify the number of output pulses (absolute address value).
-32,768 to +32,767
-999,999 to +999,999
, specify the output pulse frequency.
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)
, specify the pulse output number in the range of Y000 to Y003.
, specify the rotation direction signal output device number.
connection position
1st adapter
2nd adapter
8 1-Speed Positioning - DRVI/DRVA Instruction
and deceleration time, refer to Section 4.2.
• •
D D
1 2
Deceleration
time
Output pulse
•
S
frequency
2
Number of output
pulses S •
1
Setting range
Pulse output destination device Rotation direction output
D = Y000
1
D = Y001
1
D = Y002
1
= Y003
D
1
8.3 Drive To Absolute - DRVA Instruction
Time
ON
Setting range
10 to 32,767(Hz)
/FX
3S 3G
D
2
D
2
D
2
D
2
PLC, use
3U
/FX /FX /
3GC 3U
Y004
=
Y005
=
Y006
=
Y007
=