1.
INTRODUCTION
1.1
Introduction
•
The FX-1PG/FX
2N
-1PG pulse generator unit (hereinafter referred to as “PGU”) performs simple positioning of an
independent axis (not interpolation control between multiple axes) by supplying a prescribed quantity of pulses (100 kHz
maximum) to drive amplifiers for servo or stepper motors.
•
The FX-1PG is attached as an extension to the FX/FX
2C
series programmable controller (hereinafter referred to as “PC”),
and the FX
2N
-1PG is attached as an extension to the FX
2N
series PC. Each PGU functions as a special block which
transfers data with the PC using the FROM/TO instructions, and occupies 8 points of inputs or outputs. Up to 8 PGU
units can be connected to single PC so operation for independent 8 axes can be realized.
•
The PGU provides connection terminals for positioning operations that require high-velocity responses as well as those
used for pulse train outputs. Other general I/O operations are controlled via the PC.
•
Because all the program for positioning control are executed in the PC, the PGU does not require dedicated teaching
panel, etc. As the programming tools for the PC, the following devices are available without modification.
➀ FX-10P-E and FX-20P-E
➁ General-purpose personal computer (IBM)
•
Various data access units as follows can be connected to the PC to set or display the positioning data.
➀ FX-10DU-E and FX-20DU-E
➁ FX-25DU-E, FX-30DU-E, FX-40DU-ES, FX-40DU-TK-ES and FX-50DU-TK(S)-E
Various
programming tools
Various data
access units
Servo motor
or
stepper motor
Drive
amplifier
FROM
TO
Control
panel
Machine
Pulse train
High-velocity I/O
FX
/FX2C/FX2NSeries PC
Control I/O
PGU FX-1PG/
FX
2N-1PG
1
FX-1PG/FX
2N
-1PG PULSE GENERATOR UNIT INTRODUCTION
1-1
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