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FX Series Programmable Controllers

8-2

 

 

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Data

registers (D)

General

32 points

D0 to D31

Type:16 bit data storage register 

pair for 32 bit device

Latched

2 points (subset)

D30 to D31

Type:16 bit data storage register 

pair for 32 bit device

Externally

adjusted

Range: 0 to 255

1 point

D8013

Data is entered indirectly through 

the external setting potentiometer

Special

27 points (inclusive of D8013)

From the range D8000 to D8255

Type: 16 bit data storage register

Index

2 points

V and Z

Type: 16 bit data storage register

Pointers (P)

For use

with CALL

64 points

P0 to P63

For use 

with

interrupts

4 points

I00

 to I30

(rising trigger 

 = 1, 

falling trigger 

 = 0)

Nest levels

8 points for use with MC and MCR

N0 to N7

Constants

Decimal K

16 bit: -32,768 to +32,767

32 bit: -2,147,483,648 to +2,147,483,647

Hexadeci-

mal H

16 bit: 0000 to FFFF

32 bit: 00000000 to FFFFFFFF

Operation control method

 Cyclic operation by stored program

I/O control method

Batch processing method (when 

END instruction is executed)

I/O refresh instruction is available

Operation processing time

Basic instructions: 1.6 to 3.6 

µ

s

Applied instructions: several 10's to 100 

µ

s

Programming language

Relay symbolic language + step 

ladder

Step ladder can be used to pro-

duce an SFC style program

Program capacity

2000 steps

Provided by built in EEPROM 

memory

Number of instructions

Basic sequence instructions: 20

Step ladder instructions: 2

Applied instructions: 42

A Maximum 59 applied instructions 

are available including all varia-

tions

I/O configuration

Max hardware I/O configuration points 128, dependent on user selection

(Max. software addressable Inputs 128, Outputs 128)

Auxiliary

relay

(M coils)

General

512 points

M0 to M511

Latched

128 points (subset)

M384 to M511

Special

65 points

From the range M8000 to M8255