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Yaskawa MP940 User Manual

Page 43

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Specifications and Functions

2.3.4 Ladder Instructions and Standard System Functions

2-20

Standard Sys-
tem Functions

COUNTER

COUNTER

Increments or decrements a counter.

FIRST-IN
FIRST-OUT

FINFOUT

First-in, first-out

TRACE

TRACE

Data trace execution control

DATA TRACE
READ

DTRC-RD

Data readout from data trace memory to user memory

SEND MES-
SAGE

MSG-SND

Sending a message from a Communications Module

RECEIVE MES-
SAGE

MSG-RCV

Receiving a message from a Communications Module

Type

Name

Symbol

Description