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3UC
PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
2 Specifications
2.3 Performance Specifications
B - 18
2.3 Performance Specifications
*1. For MELSERVO Series amplifiers, use a sink input/sink output type PLC.
*2. Can only be connected to the FX3U PLC. Up to 2 adapters can be connected.
*3. If 2 adapters are connected, Y000 to Y007 will be used. If only one adapter is connected, Y000,
Y001, Y004, and Y005 will be used. The relation between the output of the FX
3U-2HSY-ADP and the
output of main unit is described in the following sections.
→ To use high-speed output special adapters, refer to Subsection 1.5.3 and Section 4.9 of "B. Built-in
Positioning Function".
*4. 2 independent axes in 14-point and 24-point type FX
3G PLC.
Model
FX3G/FX3U/FX3UC PLC
*1
(main unit, transistor output)
FX3U-2HSY-ADP
*2
Number of control axes
3 independent axes
*4
2
independent axes
(Connect 2 adapters to the main unit to
control 4 axes independently.)
Interpolation - -
Pulse output system Open collector system Differential line driver system
Pulse output method "Pulse train + direction" method
"Pulse train + direction" method
"Forward/reverse rotation pulse train"
method
Maximum frequency 100,000Hz 200,000Hz
Acceleration/
deceleration type
Automatic trapezoidal acceleration/deceleration
Unit pulse
Positioning range -999,999 to +999,999(pulse)
Program language Sequence program
Position data 1 point (set in sequence program)
Connection of manual
pulse generator
--
Detection of absolute
position
(Reads out the current
value of ABS.)
ABS instruction
Others
• Pulses can be output from the general-
purpose outputs (Y000, Y001, and
Y002) of the main unit.
• To be used when a servo amplifier with
a differential line receiver method is
connected.
• To be used when positioning control is
performed with a FX
3U Series relay
output type main unit.
• Used in place of the general-purpose
outputs (Y000 to Y007)
*3
of the main
unit.