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
11.3

Function and Operation

Preliminarily set the positioning parameters using GX Developer, and then specify the pulse output destination
and the positioning table number (n) for the DTBL instruction in order to carry out positioning.
D
Use GX Developer Ver.8.23Z or later to set the positioning parameters.
The "number of pulses" and "frequency" set by the positioning parameters in each positioning table can be
changed using the program, display module, or HMI.
Specifies the pulse output destination
device for the positioning table to be
activated.
Command
input
FNC152
DTBL
Constant setting
As shown in the following table, each positioning instruction consists of the positioning type (4 types in total),
number of pulses (pls), frequency (Hz), etc.
For further information on the operation of each instruction, refer to the description of each instruction.
Positioning type
DDVIT(Interrupt Positioning)
DPLSV(Variable Speed Pulse Output)
DDRVI(Drive to Increment)
DDRVA(Drive to Absolute)
*1 PLSV(FNC157) has only 3 operands. It has no operand of number of output pulses.
B - 142
D n
Specifies the positioning
table number to be activated.
Instruction
C
DDVIT
DPLSV
DDRVI
DDRVA
Command
input
FNC
→ For details on positioning parameters, refer to Section 11.4.
Positioning table setting
A
B
C
Instruction and its operand to be activated
D
Number of Output pulse
word
output pulses frequency
S
1
S
1
S
1
*1
11 Batch Data Positioning Mode (TBL Instruction)
11.3 Function and Operation
D E
Operand
E A
Pulse output
Rotation
destination
direction
device
signal
S D D
2 1
S D D
1
S D D
2 1
S D D
2 1
B
Refer to
Chapter 9
2
Chapter 10
2
Section 8.2
2
Section 8.3
2