Справочник Пользователя для Mitsubishi Electronics QD77MS2

 
 

7 - 2 

Chapter 7    Memory Configuration and Data Process

 

7.1 Configuration and roles of QD77MS memory 

7.1.1 Configuration and roles of QD77MS memory 

The Simple Motion module is configured of the following four memories. 

 

Model 

Memory 

configuration 

Role 

Area configuration 

B

ackup

 

Param

eter area

 

Monitor data area

 

C

ontrol data area

 

Positioning dat

a area

 

Block start data 

area

 

PL

C CPU m

em

o a

re

a 

Servo parameter area

 

Synchronous control 

area

 

C

am area 

(N

o. 1 to 100) 

(N

o. 101 to 600) 

(N

o.7000 to 7001)

 

(N

o.7002 to 7004)

 

([Pr.100], PA, PB, PC

) 

(

P

A

19

, PD

, PE

, P

S,

 PF

, Po

, PL

) 

QD77MS2 
QD77MS4 

Buffer 
memory 

Area that can be directly 
accessed with sequence 
program with PLC CPU. 

 

 

 

–

Not  
possible

Internal 
memory 

Area that can be set only 
with GX Works2. 

–

–

–

–

–

–

–

–

– 

– 

– 

–

Not  
possible

Area that can be set only 
using buffer memory. 

–

–

–

–

–

–

–

–

– 

– 

– 

Not  
possible

Flash ROM 

Area for backing up data 
required for positioning. 

–

–

–

– 

– 

 
 

– Possible

Internal 
memory 
(nonvolatile) 

Area for backing up servo 
parameter or cam data. 

–

–

–

–

–

–

–

–

 

 

– 

Possible

QD77MS16 

Buffer 
memory 

Area that can be directly 
accessed with sequence 
program with PLC CPU. 

–

–

 

– 

 

–

Not  
possible

Internal 
memory 

Area that can be set only 
with GX Works2. 

–

–

–

–

–

–

– 

 

– –

Not  
possible

Area that can be set only 
using buffer memory. 

–

–

–

–

–

–

–

–

– 

– 

– 

Not  
possible

Flash ROM 

Area for backing up data 
required for positioning. 

–

–

–

– 

– 

 

 

– Possible

Internal 
memory 
(nonvolatile) 

Area for backing up servo 
parameter or cam data. 

–

–

–

–

–

–

–

–

 

 

– 

Possible

 

: Setting and storage area provided 

– : Setting and storage area not provided 

: Parameter only 

Possible 

: Data is held even when power is turned OFF. 

Not possible: Data is lost when power is turned OFF.