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26 OUTLINE
26.1 Features
26 OUTLINE
The CPU module (transistor output) and high-speed pulse input/output module can perform positioning control by outputting
pulse signals to servo motors or stepping motors. Increase the pulse frequency to increase the motor speed. Increase the
number of pulses to increase the number of motor revolutions. In other words, set the pulse frequency to determine the
workpiece transfer (positioning) speed. Set the number of pulses to determine the workpiece transfer distance.
26.1 Features
• Positioning functions include positioning using the CPU module built-in I/O and positioning using the high-speed pulse
input/output module. For applicable version of high-speed pulse input/output module, refer to Page 942 Added and
Enhanced Functions.
• The positioning function can control up to 12 axes for positioning operations. (CPU module: 4 axes, High-speed pulse input/
output module: 2 axes 4 modules)
• Use positioning instructions and positioning parameters for positioning control.
• The pulse output method can be PULSE/SIGN mode or CW/CCW mode. General-purpose outputs can output a pulse train
of 200 kpps (100 kpps for the FX5S CPU module).
• The positioning function is compatible with MELSERVO MR-J4A, MR-J3A and MR-JNA series servo amplifiers.
System
Axis 1
Up to 4 axes
Servo amplifier (drive unit) and others
FX5U CPU module
(transistor output type)
Up to 8 axes
Servo amplifier (drive unit) and others
High-speed pulse
input/output module
Up to 4 units
Axis 2 Axis 3 Axis 4
Axis 5 Axis 6 Axis 7 Axis 8 Axis 9
Axis 10 Axis 11 Axis 12
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