10 Buffer Memory
10.11 [BFM#992 to #1503] Slave Station Offset, Size
117
FX3U-16CCL-M User's Manual
1
Introduction
2
Specification
3
System
Configuration
4
Installation
5
Wiring
6
Introduction of
Functions
7
Data Link
Processing
Time
8
Parameter
Setting
9
Data Link
Procedure
10
Buffer Memory
• Example of when the intelligent device station where expanded cyclic setting has been made are
connected
- When the remote net ver.2 mode is used
Value of RX/RY/RWw/RWr offset, size
Buffer memory name Value (Hex.) Description
Station No. 1 RX offset 4000H Head buffer memory No. of RX of station No. 1
Station No. 1 RX size 8H 128 (number of RX points) / 16 = 8 words
Station No. 2 RX offset 4008H Head buffer memory No. of RX of station No. 2
Station No. 2 RX size 4H
The 4 words of buffer memory No. 4008H to 400BH are the corresponding size of
RX of station No. 2.
Station No. 3 RX offset 4008H As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 3 RX size 0H (Initial value) As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 4 RX offset 400CH Head buffer memory No. of RX of station No. 4
Station No. 4 RX size 2H
The 2 words of buffer memory No. 400CH to 400DH are the corresponding size of
RX of station No. 4.
Station No. 1 RY offset 4200H Head buffer memory No. of RY of station No. 1
Station No. 1 RY size 8H 128 (number of RY points) / 16 = 8 words
Station No. 2 RY offset 4208H Head buffer memory No. of RY of station No. 2
Station No. 2 RY size 4H
The 4 words of buffer memory No. 4208H to 420BH are the corresponding size of
RY of station No. 2.
Station No. 3 RY offset 4208H As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 3 RY size 0H (Initial value) As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 4 RY offset 420CH Head buffer memory No. of RY of station No. 4
Station No. 4 RY size 2H
The 2 words of buffer memory No. 420CH to 420DH are the corresponding size of
RY of station No. 4.
Station No. 1 RWw offset 4400H Head buffer memory No. of RWw of station No. 1
Station No. 1 RWw size 20H
1 (number of occupied stations) × 4 words
× 8 = 32
Station No. 2 RWw offset 4420H Head buffer memory No. of RWw of station No. 2
Station No. 2 RWw size 8H
2 (number of occupied stations) × 4 words = 8
Buffer memory size No. of RWw of station No. 2
Station No. 3 RWw offset 4420H As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 3 RWw size 0H (Initial value) As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 4 RWw offset 4428H Head buffer memory No. of RWw of station No. 4
Station No. 4 RWw size 0H (Initial value) Buffer memory size of RWw of station No. 4
Station No. 1 RWr offset 4C00H Head buffer memory No. of RWr of station No. 1
Station No. 1 RWr size 20H
1 (number of occupied stations) × 4 words
× 8 = 32
Station No. 2 RWr offset 4C20H Head buffer memory No. of RWr of station No. 2
Station No. 2 RWr size 0H (Initial value)
2 (number of occupied stations) × 4 words =8
Buffer memory size No. of RWr of station No. 2
Station No. 3 RWr offset 4C00H As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 3 RWr size 0H (Initial value) As 2 stations are occupied, the area of station No. 2 is checked.
Station No. 4 RWr offset 4C28H Head buffer memory No. of RWr of station No. 4
Station No. 4 RWr size 0H (Initial value) Buffer memory size of RWr of station No. 4
Master
station
Station No. 1
(occupies 1
station)
Ver. 1 compatible
remote I/O station
Station No. 2
(occupies 2
stations)
Ver. 1 compatible remote
device station
Station No. 4
(occupies 1
station)
Ver. 2 compatible octuple
intelligent device station
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