Mitsubishi Electronics FX3G User Manual

181

/FX

3GC

/FX

3UC

Series

Programming Manual - Basic & Applied Instruction Edition

7 Basic Instruction

Introdu

ction

ervi
ew

Instruction

evices

in Det

Specifi

ed the

vice

onst
ant

Bef
ore

mmi
ng

Bas
ic

Instruction

FN
C00-FN

Program Fl

FNC

10-FN

C19

Mov
e & Com

pare

FNC

20-FNC

Arith. & Lo

Operati

7. Basic Instruction

This chapter explains types and functions of basic sequence instructions.
For beginners to sequence control, we offer "Introduction Course" and "Relay Ladder Course" learning texts for
reference.
We can also offer the PLC learning software "Beginner Course".

Mnemonic

Name

Symbol

Function

Applicable devices

Reference

Contact Instruction

Load

Initial logical operation
contact type NO (normally
open)

X,Y,M,S,D .b,T,C

Section 7.1

LDI

Load Inverse

Initial logical operation
contact type NC (normally
closed)

X,Y,M,S,D .b,T,C

Section 7.1

LDP

Load Pulse

Initial logical operation of
rising edge pulse

X,Y,M,S,D .b,T,C

Section 7.5

LDF

Load Falling Pulse

Initial logical operation of
falling/trailing edge pulse

X,Y,M,S,D .b,T,C

Section 7.5

AND

Serial connection of NO
(normally open) contacts

X,Y,M,S,D .b,T,C

Section 7.3

ANI

AND Inverse

Serial connection of NC
(normally closed) contacts

X,Y,M,S,D .b,T,C

Section 7.3

ANDP

AND Pulse

Serial connection of rising
edge pulse

X,Y,M,S,D .b,T,C

Section 7.5

ANDF

AND Falling Pulse

Serial connection of falling/
trailing edge pulse

X,Y,M,S,D .b,T,C

Section 7.5

Parallel connection of NO
(normally open) contacts

X,Y,M,S,D .b,T,C

Section 7.4

ORI

OR Inverse

Parallel connection of NC
(normally closed) contacts

X,Y,M,S,D .b,T,C

Section 7.4

ORP

OR Pulse

Parallel connection of rising
edge pulse

X,Y,M,S,D .b,T,C

Section 7.5

ORF

OR Falling Pulse

Parallel connection of falling/
trailing edge pulse

X,Y,M,S,D .b,T,C

Section 7.5

Applicable devices