7 Buffer Memory
7.2 Buffer memory details
49
FX3U-64CCL User's Manual
1
Introduction
2
Specification
and function
3
System
Configuration
4
Installation
5
Wiring, Start-up
procedure
6
FX
3U
-64CCL
setting (switch
setting)
7
Buffer Memory
8
Program
Example
9
Troubleshooting
A
Version
Information
7.2.16 [BFM#304 to 335] Remote register RWr
Using these remote register (RWr) buffer memory addresses, the TO instruction (or direct buffer memory
specification) sets the word information to be sent to the master station.
Caution
• When the TO instruction (or direct buffer memory specification) is executed for writing to an area without
assigned link points, 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.
: Applicable -: With no allocation
BFM
No.
Remote
register
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
#304 RWr00
#305 RWr01
#306 RWr02
#307 RWr03
#308 RWr04 -
#309 RWr05 -
#310 RWr06 -
#311 RWr07 -
#312 RWr08 - - -
#313 RWr09 - - -
#314 RWr0A - - -
#315 RWr0B - - -
#316 RWr0C - - - -
#317 RWr0D - - - -
#318 RWr0E - - - -
#319 RWr0F - - - -
#320 RWr10 - - - - - - -
#321 RWr11 - - - - - - -
#322 RWr12 - - - - - - -
#323 RWr13 - - - - - - -
#324 RWr14 - - - - - - -
#325 RWr15 - - - - - - -
#326 RWr16 - - - - - - -
#327 RWr17 - - - - - - -
#328 RWr18 - - - - - - - -
#329 RWr19 - - - - - - - -
#330 RWr1A - - - - - - - -
#331 RWr1B - - - - - - - -
#332 RWr1C - - - - - - - -
#333 RWr1D - - - - - - - -
#334 RWr1E - - - - - - - -
#335 RWr1F - - - - - - - -
Buffer memory points 4 8 16 32 8 16 32 12 24 16 32
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