What Is The Program Like; Distribution Of Functions - Mitsubishi MELSEC-F FX-1GM Handy Manual

Programmable controllers, position control unit
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1.5
What is the Program Like?
1.5.1
Distribution of functions
The FX-1 GM PGU can be operated together with the FX series programmable controller in executing
positioning control.
PC sequence control and positioning control are very different. Thus, each requires a dedicated
language best suited for that application, making understanding and software design much easier.
(See page 134 for PC versions.)
Though the multi-axis interpolation function is
not supported, interlocked operations can be controlled
by using multi-axis synchronizing signals.
Travel distance, speed,
Simple signal communication by the number of repetition designation
Program is written from the Fz-30TP
structured
sequence.
Start,
stop,
block
designation
t e a c h i n g p a n e l ( T P )
t o t h e F X -
EEPROM-4 ROM cassette installed
in the PGU.
(See page 134 for F2-30TP versions.)
E x e c u t e s c o n t r o l
of
the entire system and
auxiliary machines
by
d e d i c a t e d s e q u e n c e
language.
G e n e r a l - p u r p o s e i n p u t s
outputs of the PGU can be
as the inputs and outputs
the PGU and a PC are
programmable controller
together
Executes complicated
positioning control by
dedicated positioning
language.
and 'general-purpose inputs and
outputs are supported for inde-
used
7
Simple sequence instructions
STEP
0
STEP
1,999
2,000
2,023
Configuration of the PGU program
The program capacity of the ROM cassette built in the
PGU has a max. of 2000 steps.
It can be divided into a max. of 100 blocks of variable
length.
-
Program of
block-0
_ .
Program of
block-1
Which block program t o execute is designated by the
programmable controller (or digital switches con-
nected to the PGU).
TO
Program of
I
block-99
Program machine movement and speed routine block
by block.
Common sub.routine
Areas commonly used in each block can be handled as
-
program
a sub-routine program.
24 parameters exist in the PGU so that its Derformance
matches that
of the external
equipmen't (e.g.motor
drive),
Parameters
(24 types)
I
'
-
12-

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