Mitsubishi Electric RD77GF8 User Manual page 125

■Stations which cannot be set as a temporary error invalid station
The temporary error invalid station setting is not available for the following station.
• A slave station for which the reserved station setting is temporarily canceled
■Setting a temporary error invalid station in line topology
In the following case, even if a data link error occurs in the station set as an error invalid station, the station is not detected as
a data link faulty station. However, subsequently connected stations are detected as data link faulty stations.
Simple Motion
module
■Parameter setting
"Network Configuration Settings" of "Basic Settings" does not reflect temporary error invalid station setting.
■When the master station is reset or the system is powered off
The temporary error invalid station setting is ignored, and the slave station returns to the status set in "Network Configuration
Settings" of "Basic Settings of the master station.
■When a temporary error invalid station is disconnected from the network
The following status differs between the master station and local stations after the CPU module on the master station is reset
or the system is powered off.
• ERR LED status
• "Temporary error invalid station setting status" (SW00E0 to SW00E7)
The difference can be corrected by the following procedure.
1.
Reconnect the disconnected station.
2.
Configure the temporary error invalid station setting, and cancel the setting.
■Checking the station No. of an error invalid station
The station No. of an error invalid station can be checked in the "Enable/Disable Ignore Station Errors" window.
Error invalid station
Not a data link faulty station
Error
Data link faulty stations
4 TROUBLESHOOTING
4.3 Checking the Network Status
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