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Mitsubishi Electronics QD75MH1 Manuel D’Utilisation

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7 - 2 
MELSEC-Q
 
7   MEMORY CONFIGURATION AND DATA PROCESS 
 
7.1 Configuration and roles of QD75MH memory 
7.1.1 Configuration and roles of QD75MH memory 
The QD75MH is configured of the following two memories. 
 
Area configuration 
Memory 
configuration 
Role 
Parameter area 
M
onitor data area 
C
ontrol data area 
Positioning data area  
(N
o. 1 to 600) 
Block start data area 
(N
o.7000 to 7004) 
PL
C CPU m
em
o a
re
a 
Serv
o parameter area 
Backup 
 
•
 Buffer memory 
 
Area that can be directly accessed 
with PLC program from PLC CPU. 
 
 
 
 
 
 
 
Not 
pos-
sible 
 
•
 Flash ROM 
 
Area for backing up data required 
for positioning. 
 
– –   
 
– 
 
Pos-
sible 
 
 
  : Setting and storage area provided, Not possible: Data is lost when power is turned OFF 
 
–  : Setting and storage area not provided, Possible: Data is held even when power is turned OFF