Mitsubishi Electronics FX3G

176

FX3G/FX3U/FX3UC Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

7 Basic Instruction

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

LD 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 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

OR OR 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