5
MEMORIES AND FILES HANDLED BY CPU MODULE
5.1 Memories by CPU Module
5.1.3 Standard ROM
5
- 7
1
O
verv
iew
2
Per
fo
rma
nce
S
p
ecifica
tio
n
3
S
equ
en
ce P
ro
g
ra
m
Co
nfig
ura
tio
n a
nd
E
xecut
io
n Co
nd
iti
o
ns
4
I/O N
unb
er
Assig
n
m
e
nt
5
Me
mor
ie
s a
nd
File
s
Ha
nd
led
by CP
U Mo
du
le
6
Func
tions
7
Co
mmu
nica
tion
with
Inte
llig
en
t Fu
n
ct
ion
Mo
du
le
8
P
a
ram
et
e
rs
5.1.3 Standard ROM
(1) Definition of standard ROM
The standard ROM is used to execute boot run by the CPU module.
The standard ROM is used to save programs and parameters without battery backup.
The program stored in the standard ROM is booted (read) to the program memory
(
Section 5.1.2) to perform operation.
(2) Storable data
The standard ROM can store parameters, programs and device comments.
Refer to Section 5.1.1 (2) for the list of data that can be stored into each memory.
(3) Checking the memory capacity
To check the memory capacity, choose [Online] [Read from PLC] on GX
Developer.
1) Select "Standard ROM" as the target memory on the Read from PLC screen.
2) Click the
button.
3) The memory capacity appears in the Total free space volume field.
Diagram 5.5 Memory capacity checking procedure
Free space volume
1) Select target memory.
2) Click Free space volume button.
3) Memory capacity is displayed.
Содержание MELSEC QS Series
Страница 1: ......
Страница 2: ......
Страница 24: ...A 22 Memo ...
Страница 258: ...Index 3 Memo ...
Страница 263: ......
Страница 264: ......