Setting The Status Of Input Data From A Data Link Faulty Station - Mitsubishi A1SJ61BT11 User Manual

4 FUNCTIONS

4.9 Setting the Status of Input Data from a Data Link Faulty Station

Master station
Remote input (RX)
Station No.1
Station No.2
Station No.3
Station No.4
Remote output (RY)
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
POINT
When the data-link fauly station is set as an error-invalid station, the input data from that
station (remote input RX, remote output RY) are kept, regardless of the SW4 setting.
The input (received) data status from a data-link faulty station can be set.
(1) Target input (received) data
The target buffer-memory area is shown below:
Remote I/O staion
(station No.1)
Input
Output
.....Target area of keep/clear.
.....Area that is kept regardless of setting.
(2) Setting method
This is set with the master/local module's "condition setting switch (DIP switch)
SW4".
OFF .......Clear (setting at shipment)
ON .........Keep the status right before error
Remote device station
(station No.2)
Remote output (RY)
Remote input (RX)
Remote input (RX)
Remote output (RY)
Remote register (RWr)
Remote register (RWw)
Remote register (RWw)
Remote register (RWr)
4 - 25
MELSEC-A
Local station Local station
(station No.3) (station No.4)
Remote output (RY)
Station No.1 Station No.1
Station No.2 Station No.2
Station No.3 Station No.3
Station No.4 Station No.4
Remote input (RX)
Station No.1 Station No.1
Station No.2 Station No.2
Station No.3 Station No.3
Station No.4 Station No.4
Remote register (RWr)
Station No.1 Station No.1
Station No.2 Station No.2
Station No.3 Station No.3
Station No.4 Station No.4
Remote register (RWw)
Station No.1 Station No.1
Station No.2 Station No.2
Station No.3 Station No.3
Station No.4 Station No.4