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3 Comparison of Specifications
3.1 Comparison of Performance Specifications
A - 15
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Positioning Control Edition
Common Items
A
Common Items
B
Built-in
Positioning
Functions
Apx.
Example
Connection
3.1.4 Positioning Special Function Unit [FX2N-10GM, FX2N-20GM]
*1. Do not exceed the maximum rotation speed of the servo motor or the stepping motor.
*2. The minimum command unit sets the 1, 10,10
2
or 10
3
in parameters.
*3. The minimum command unit sets the 1, 10
-1
,10
-2
or 10
-3
in parameters.
*4. Up to 100 points (table) can be set for the table operation.
Model FX2N-10GM FX2N-20GM
Number of control
axes
1 independent axis 2 independent/simultaneous axes
Interpolation -
2-axes linear interpolation,
2-axes circular interpolation
Pulse output
system
Open collector system Open collector system
Pulse output
method
"Pulse train + direction" method
"Forward/reverse rotation pulse train" method
Maximum
frequency
*1
200,000Hz
200,000Hz
(100,000Hz during interpolation operation)
Acceleration
/deceleration type
Automatic trapezoidal acceleration/deceleration
Unit
pulse, mm, 10
-1
inch, deg
Positioning range
-999,999 to +999,999 [× (minimum command unit
*2
) pulse]
-999,999 to +999,999 [× (minimum command unit
*3
) mm]
-999,999 to +999,999 [× (minimum command unit
*3
) ×10
-1
inch]
-999,999 to +999,999 [× (minimum command unit
*3
) deg]
Program language Cod number system, table system Cod number system
Position data
Block designation: 0 to 99 (100 blocks)
*4
Block designation (X-axis, Y-axis, 2 axes
simultaneously): 0 to 99 (100 blocks)
Connection of
manual pulse
generator
Connectable (Open collector system)
Detection of
absolute position
(Reads out the cur-
rent value of ABS.)
Set in parameters
Others
• PLC input/output: 8 points occupied
(Points can be either input or output points.)
• This unit can perform positioning operations
independently, without a main unit.
• This unit can perform teaching operation.
• PLC input/output: 8 points occupied
(Points can be either input or output points.)
• This unit can perform positioning operations
independently, without a main unit.
• This unit can perform teaching operation.
• I/O points can be added (48 points,
maximum).