4
I/O NUMBER ASSIGNMENT
4.3 Installing Extension Base Units and Setting the Number of Stages
4
- 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
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
(b) When the same extension stage number is set
The same extension stage number cannot be set to multiple extension base units.
Figure 4.6 When the same extension stage number is set
Power supply
module
CPU module
Extension 1
Main base unit
Slot number
CPU
0
1
2
3
4
5
6
7
8
9
10
11
Extension 1
Extension base unit
Q312B
Q68B
Q68B
The same extension stage
number cannot be set!
Extension stage number
setting connector