6
FUNCTIONS
6.26 Device Initial Value
6
- 197
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
nic
a
tion
us
in
g
bu
ilt
-i
n E
th
e
rne
t po
rt
s o
f
CP
U mod
u
le
8
Co
mm
un
icatio
n
w
ith
Int
e
lli
ge
nt
Fun
ction
Mo
du
le
(3) Timing when device initial values are written to specified devices
The CPU module writes the data of the specified device initial value file to the
specified device or intelligent function module buffer memory when the PLC is
powered on or the CPU module is switched from the STOP status to the RUN status.
(4) Available devices
*1
Device initial values can be used by the following devices:
* 1 : Refer to Section 10.1 for the available ranges.
* 2 : The extended data register (D) is also included.
* 3 : The extended link register (W) is also included.
Figure 6.119 Sequence up to device initial value write
• Timer present value (T)
• Link special register (SW)
• Retentive timer present
value (ST)
• File register (R)
• Counter present value (C)
• File register (ZR)
• Data register (D)
*2
• Intelligent function module device
(U \G )
• Special register (SD)
• Link register (W)
*3
• Link direct device (J \W ,J \SW )
Device
initial
(At power off on, reset
cancel or STOP RUN)
file
Designated
device
Program memory
initial value
range setting
Device
initial value
data setting
Device
Device initial
value writing
Device initial value writing
(At power off on, reset
cancel or STOP RUN)
GX Developer
