Mitsubishi Electronics 13JW55 ユーザーズマニュアル

 

 

7 - 2

 

 

 
7.2    Data Communication between Intelligent Function Modules and CPUs 

An intelligent function module and a CPU exchange mainly two formats of data. 

Bit data ------------Signals that use input Xs and output Ys 

Word data --------16-bit data or 32-bit data 

 

(Programmable controller CPU)

QCPU

De

vi

ce memor

y

 such

 as 

X, 

Y, M, T, C, 

D

Pr

og

ra

m

(Bit data)

X/Y

(Word data)

Function 

CPU

Ext

e

rn

a

l I

/F

Buffer memory

Input X

Output Y

Reading data

Writing data

Internal configuration of the intelligent function module

 

 

Figure 7.2  Internal configuration of the intelligent function module