Status Of The Remote Device Station, Local Station, Standby Master Station (When The Local Station Is Operating) And Intelligent Device Station At Error Occurrence - Mitsubishi MELSEC Q Series User Manual

5 DATA LINK PROCESSING TIME
5.5.2 Status of the remote device station, local station, standby master station (when the
local station is operating) and intelligent device station at error occurrence
Table 5.2 The status of the remote device station, local station, standby master station
(when the local station is operating) and intelligent device station at error occurrence
Data link status
When data link is stopped due to an error generated
by the master station PLC CPU (data link continue)
When data link is stopped due to an error generated
by the local station PLC CPU (data link continue)
The GX Developer
When data link for
data link faulty
the entire system is
station is set (local
stopped
station setting)
When a
The GX Developer
communication error
data link faulty
(power off, etc.)
station is set (local
occurs in a remote
station setting)
I/O station
When a
The GX Developer
communication error
data link faulty
(power off, etc.)
station is set (local
occurs in a remote
station setting)
device station
When a
The GX Developer
communication error
data link faulty
(power off, etc.)
station is set (local
occurs in a local
station setting)
station
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Table 5.2 lists the status of the remote device station, local station, standby master station
(when the local station is operating) and intelligent device station at error occurrence.
intelligent device station
Remote
input (RX) output (RY)
Continue
Continue
Clear
Undefined
Hold
Clear
Continue
Hold
Clear
Undefined
Hold
Clear
Continue
Hold
1: If parameter setting has been made using the dedicated instructions, the data is
held. If parameter setting has been made using GX Developer, the data is clear
when the RY refresh device is set to Y, the data is cleared or held when the RY
refresh device is set to other than Y. (See Section 4.3.5.)
2: When the RY refresh device is set to "Y" for the local station that has stopped,
only the receive area is cleared from the stopped local station; the receive area is
retained or cleared when the RY refresh device is set to other than Y. (See
Section 4.3.5.) Operation continues for the receive areas from other stations.
Remote device station,
Remote Remote
Remote
register register
(RWw) (RWr)
1
Continue Continue
Continue Continue Continue
All points
Undefined Undefined
OFF
Continue Continue Continue
Undefined Undefined Undefined
Continue Continue Continue
MELSEC-Q
Local station, standby master station
(when local station is operating)
Remote
Remote Remote output
input (RX) (RY)
Clear Continue Continue
3
Continue Continue
Clears the receive
Clear
areas from other Retains the
stations receive area
from other
Retains the receive
stations
Hold
areas from other
stations
Clears the receive
area from a remote
I/O station with a
communication
error
Continue Continue
Retains the receive
area from a remote
I/O station with a
communication
error
Clears the receive
Retains the
area from a remote
receive area
device station with
from a
a communication
remote
error
Continue
device
Retains the receive
station with
area from a remote
a
device station with
communica-
a communication
tion error
error
Clears the receive
area from a local
Retains the
station with a
receive area
communication
from a local
error
Continue
station with
Retains the receive
a
area from a local
communica-
station with a
tion error
communication
error
Remote
register register
(RWw) (RWr)
Continue
Continue
Hold
Continue
Continue
Continue
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