Retaining The Device Status Of A Data Link Faulty Station (Setting The Input Data Status From A Data Link Faulty Station) - Mitsubishi Electric Q81BD-J61BT11 User Manual

Network interface board melsec cc-link system master/local interface board
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4 FUNCTIONS
4.3.3 Retaining the device status of a data link faulty station (setting the input data status
from a data link faulty station)
4 - 24
This function sets the input (reception) data status from a data link faulty station.
(1) Target input (reception) data
The following shows the target buffer memory areas.
Remote I/O station
(station number 1)
Master station
Remote input (RX)
Station number 1
Station number 2
Station number 3
Station number 4
Remote ontput (RY)
Station number 1
Station number 2
Station number 3
Station number 4
Remote register
(RWw)
Station number 1
Station number 2
Station number 3
Station number 4
Remote register
(RWr)
Station number 1
Station number 2
Station number 3
Station number 4
The remote input RX in the master station, and the remote input RX and remote
output RY in the local stations will either clear or retain the data from faulty
stations according to the setting. The remote register RWr in the master station
and the remote registers RWw and RWr in the local stations retain data from
faulty stations regardless of the setting.
POINT
When a data link faulty station is set as an error invalid station, the input data (remote
input RX and remote output RY) from that station is retained regardless of the setting.
(2) Setting method
The setting is performed at <<Parameter settings>> in the CC-Link Ver.2 utility.
For more details on the setting, refer to Section 8.2.5.
Remote device station
(station number 2)
Input
Remote input (RX)
Output
Remote output (RY)
Remote register
(RWw)
Remote register
(RWr)
•••••• Target areas for clear/latch
•••••• Areas retained regardless of the setting
MELSEC
Local station
Local station
(station number 3)
(station number 4)
Remote output (RY)
Remote output (RY)
Station number 1
Station number 1
Station number 2
Station number 2
Station number 3
Station number 3
Station number 4
Station number 4
Remote input (RX)
Remote input (RX)
Station number 1
Station number 1
Station number 2
Station number 2
Station number 3
Station number 3
Station number 4
Station number 4
Remote register
Remote register
(RWr)
Station number 1
Station number 1
Station number 2
Station number 2
Station number 3
Station number 3
Station number 4
Station number 4
Remote register
Remote register
(RWw)
Station number 1
Station number 1
Station number 2
Station number 2
Station number 3
Station number 3
Station number 4
Station number 4
(RWr)
(RWw)
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