7 Buffer Memory
7.2 Buffer memory details
47
FX
3U
-64CCL User's Manual
1
Introduc
tion
2
Specifi
cation
and func
tion
3
Sy
stem
Configurati
on
4
Ins
tal
lation
5
W
iri
ng, S
tart-up
proced
ure
6
FX
3U
-64C
CL
settin
g (swi
tch
settin
g)
7
Buf
fer
M
emor
y
8
Program
Ex
ampl
e
9
Troubl
es
hooti
ng
A
Ve
rs
ion
Inform
ation
2) Details for the buffer memory allocation related to remote outputs (RY) when the expanded cyclic
transmission is set
The table below shows details for the buffer memory allocation related to remote outputs (RY)
when the expanded cyclic transmission is set.
Caution
• RY for the upper word in the last station is occupied as the system area.
• When the TO instruction (or direct buffer memory specification) is executed, writing is invalid. When the
FROM instruction (or direct buffer memory specification) is executed for reading from an area without
assigned link points, the reading operation results in "0" being read.
: User area
: System area -: With no allocation
BFM
No.
Remote
input
RX number
Number of occupied stations
Occupies 1 station
Occupies 2 stations
Occupies 3 stations Occupies 4 stations
Expanded cyclic setting
Single
Double
Quadru
ple
Octuple
Single
Double
Quadru
ple
Single
Double
Single
Double
#120
RY00-0F
#121
RY10-1F
#122
RY20-2F
-
-
#123
RY30-3F
-
-
#124
RY40-4F
-
-
-
-
#125
RY50-5F
-
-
-
-
#126
RY60-6F
-
-
-
-
-
-
#127
RY70-7F
-
-
-
-
-
-
#128
RY80-8F
-
-
-
-
-
-
-
-
#129
RY90-9F
-
-
-
-
-
-
-
-
#130
RYA0-AF
-
-
-
-
-
-
-
-
-
#131
RYB0-BF
-
-
-
-
-
-
-
-
-
#132
RYC0-CF
-
-
-
-
-
-
-
-
-
-
#133
RYD0-DF
-
-
-
-
-
-
-
-
-
-
User area points
16
16
48
112
48
80
176
80
144
112
208
System area points
16
16
16
16
16
16
16
16
16
16
16
Total number of
points
32
32
64
128
64
96
192
96
160
128
224
Buffer memory
points
(System area is
included)
2
2
4
8
4
6
12
6
10
8
14
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