6 Introduction of Functions
6.2 Basic Functions
47
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
Read from remote register (RWr)
9) The data of the remote register (RWr) in the remote device stations is automatically (for each link scan)
stored in the buffer memory "remote register (RWr)" in the master station.
10) The PLC receives the data of the remote register (RWr) in the remote device stations stored in the buffer
memory "remote register (RWr)" using the FROM instruction.
Master station
Remote device station
(Station No. 1:
Occupies 2 stations)
RWr 0
RWr 1
RWr 2
RWr 3
RWr 4
RWr 5
RWr 6
RWr 7
RWr 8
RWr 9
RWr 3E
RWr 3F
...
Remote register (RWr)
RWr 0
RWr 1
RWr 0
RWr 1
Remote device station
(Station No. 3:
Occupies 2 stations)
RWr 2
RWr 3
RWr 4
RWr 5
RWr 6
RWr 7
RWr 3D
RWr 2
RWr 3
RWr A
RWr B
RWr C
RWr D
RWr E
RWr F
RWr 10
RWr 11
RWr 12
RWr 13
RWr 3C
Remote register (RWr)
Remote register (RWr)
FROM
10)
PLC
9)
9)
RWr 4
RWr 5
RWr 6
RWr 7