Mitsubishi Electric MELSEC QS Series User Manual page 80

5
DATA LINK PROCESSING TIME AND STATION
STATUS AT ERROR OCCURRENCE
Remote
Data link status
The send/receive area of the remote device station
with the communication error
refreshes
the clear
All points
OFF
When a communication
The send/receive area of a normal safety or
error occurs in a remote
standard remote I/O station
device station
Continue
(Clears inputs from data link
Depends
faulty stations)
on the
input
The send/receive area of a normal remote device
station
Continue
Depends
on the
input
5
- 23 5.4 Station Status at Error Occurrence
Table5.1 Station status at error occurrence (3/3)
Safety master station
Remote Remote
input register output
(RX) (RWr) (RY)
Auto-
Stop Continue
data
Hold Update
Continue Continue
Depends
on the Update
input
Continue Continue
Depends
on the Update
input
* 1: Some types of remote I/O stations allow the selection of the output mode (hold/clear) for the case
of a communication error. Their operation differs depending on the setting.
Remote I/O station
Remote
register Input Output
(RWw)
Continue
Update
Continue Continue
Continue
Update
Continue
Update
Remote device station,
Remote Remote Remote
input register output
(RX) (RWr) (RY)
faulty station
Depends Depends Depends
on the on the on the
spec. of spec. of spec. of
the remote the remote the remote
station station station
Normal station
Continue Continue Continue
Remote
register
(RWw)
Depends
on the
spec. of
the remote
station
Continue