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(8) Output hold when a data link error occurs
To hold the outputs when a data link error occurs, configure the following settings:
• Master/local module
Set input data to be used from the faulty station.
Project window
[Parameter]
[Network Parameter]
[Ethernet/CC IE/MELSECNET]
button
For a head module whose serial number (first five digits) is "12071" or earlier
Set output data to be used from the faulty station.
Project window
[Parameter]
[PLC Parameter]
"I/O Assignment"
button
"Error Time Output Mode"
(This setting is not required for a head module whose serial number (first five digits) is "12072" or
later.)
(9) Connected station numbers
Do not duplicate station numbers. Data link may be stopped when the station number is duplicated.
(10)Power-on order
To avoid incorrect input from slave stations, power on slave stations before the master station.
Connecting/disconnecting
a cable or power OFF/ON
Momentary
data link error in all
the stations
Station No.0
Station No.1
Station No.1
Station No.2
(Data link may stop.)
Duplication