Learning To Use The Fx Family For Positioning Control; Melsec Fx Plc Positioning; Overview Of Control - Mitsubishi Electric Melsec FX Series Beginners Manual

MELSEC FX PLC positioning

4 Learning to Use the FX Family for Position-
ing Control
4.1 MELSEC FX PLC positioning
The FX
1S
instructions to send command pulses to a stepper motor or servo amplifier. While FX PLCs support
point-to-point positioning, full control is also available for reading the absolute position from a servo
amplifier, performing zero return, and altering the workpiece speed during operation.
Important references for understanding positioning with FX PLCs include:
● Programming Manuals for the MELSEC FX Series
● User's Manuals – Hardware Edition – for the various controllers
● FX
3S
(JY997D16801)
● FX
2N
● FX
2N
● FX
2N
It is assumed that you will have read and understood the above manuals or that you will have them
close at hand for reference.
4.1.1

Overview of control

Number of Axes
The FX
1S
speeds up to 100,000 pulses/second (100 kHz).
The main units FX
to two axes and the main units FX
imum of three axes with up to 100 kHz.
The FX
3U(C)
FX -2HSY-ADP adapters are connected to the FX
3U
200 kHz.
The PLS/DIR pulse output method is used for all PLC main units to output pulses as shown in the fol-
lowing table.
Applicable Model
Pulse Output
Direction Output
Tab. 4-1: Overview of applicable PLC main units
Output terminals for direction can be specified arbitrarily when the FX
Y4, Y5, Y6 and Y7 are used as an example.
The FP/RP pulse output method is also available with the FX
Connection of the FX
FX Positioning Control Systems
, FX , FX , FX , FX
1N 3G 3GC 3GE
/FX /FX /FX /FX3
3G 3GC 3U UC
-1PG User's Manual – (JY992D65301)
-10PG User's Manual – (JY992D93401)
-10GM/FX -10GM User's Manual
2N
, FX , FX and FX transistor type PLCs support positioning on 2 axes with operation
1N 3GC 3S
-14MT/ , FX
3G
transistor type PLC main units support positioning speeds up to 100 kHz on 3 axes. If two
st
1 Axis
FX , FX
1S 1N,
FX
3GC,
FX
3GE
Y0
Y4
-2HSY-ADP is only possible to a FX
3U

Learning to Use the FX Family for Positioning Control

, FX , and FX Series PLC main units include basic positioning
3S 3U(C)
Series User's Manual – Positioning Control Edition
– (JY992D77801)
-24MT/ , and FX -24MT/
3G 3GE
-40MT/ , FX -60MT/ , and FX
3G 3G
, 4 axes are available with operation speeds up to
3U
nd
2 Axis
FX -14MT/ FX -24MT/ ,
, 3G
3G
FX -24MT/ , FX
3GE 3S
-40MT/ , FX , FX -40MT/
3U(C) 3G
FX + (2) FX
3U
Y1
Y5
of the MELSEC FX family
(transistor outputs) can control up
-40MT/ can control a max-
3GE
rd
3 Axis
—
FX -60MT/
, 3G
-2HSY-ADP
3U
Y2
Y6
-2HSY-ADP is not used.
3U
-2HSY-ADP.
3U
base unit.
3U
–
th
4 Axis
—
—
Y3
Y7
4 - 1