6 Introduction of Functions
6.3 RAS Function
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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
6.3.5 Slave station refresh/compulsory clear setting in case of programmable controller
CPU STOP
This function compulsorily clears output (send) data to slave stations when the PLC CPU enters STOP mode.
→ For the status of each station when an error has occurred, refer to Section 7.3.
1. Target output (send) data
The figure below shows the buffer memory area regarded as the setting target.
• The remote output (RY) is refreshed or compulsorily cleared according to the setting when the master
station PLC CPUs come to STOP.
• The remote register (RWw) is refreshed regardless of the setting when the master station PLC CPUs come
to STOP.
2. Setting method
Set the operation status to the parameter information area "Case of CPU STOP setting (BFM#13)" in the
buffer memory in the master station.
0: Refresh
1: Clears compulsorily
Station No. 1
Station No. 2
Remote input (RX)
Remote output (RY)
Master station
Remote I/O station
(station No. 1)
Input
Remote input (RX)
Output
Remote output (RY)
Remote device station
(station No. 2)
Station No. 3
Station No. 4
Station No. 1
Station No. 2
Station No. 3
Station No. 4
Remote register (RWw)
Station No. 1
Station No. 2
Station No. 3
Station No. 4
Remote register (RWr)
Station No. 1
Station No. 2
Station No. 3
Station No. 4
Remote register (RWw)
: Area of refresh/compulsory clear setting target
: Area refreshed independently of setting
Remote register (RWr)
Remote input (RX)
Remote output (RY)
Intelligent device station
(station No. 3)
Remote register (RWw)
Remote register (RWr)
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