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• Parameters that cannot be set to local stations
Item
Total Stations
Network setting
Mode
Station No.
Station Type
RX/RY Setting
RWw/RWr Setting
Reserved/Error Invalid Station
Network Configuration
Settings
Alias
Comment
Link Scan Mode Setting
Loopback Function Setting
Block Data Assurance per Station
Network Operation
Parameter Name
Settings
Refresh Parameters
Interrupt Settings
Interlink Transmission Parameters
Routing Parameters
Set the above-listed parameters that operate according to the settings of the master station in the master
station. To set other parameters, connect the Universal model QCPU with the master/local module and
configure the settings in the network parameter window of GX Works2.
(b) Precautions
• When the network configuration setting data exceeds the total number of slave stations
If the number of set network configuration setting data exceeds the total number of slave stations, the data
will be ignored. Only the data set within the total number of slave stations are valid.
• Applicable station numbers for reserved stations and error invalid stations
If the station number of a reserved station or error invalid station is outside the range set by total number of
slave stations and network configuration setting data, it is ignored. Only station numbers within the
specified ranges are valid.
• Parameter error
If a parameter error occurs, check the error code stored in buffer memory and link special register (SW)
and take corrective actions.
1.
If a parameter is incorrect, an error code (D824
communication result (buffer memory address: 31742 (7BFE
(
2.
Check the error code stored in Parameter setting status (SW004C) and take corrective action.
(
• Using a C Controller module on a local station
Disable "Block Data Assurance per Station" in the Network Parameter window for the master station.
Page 439, Section 12.5)
Page 439, Section 12.5)
Setting status
Depends on the setting in the master station.
Online (Normal Mode)
Depends on the setting in the master station.
Not set
Asynchronous
Depends on the setting in the master station.
Not set
Not set
Not set
Since link refresh cannot be performed, directly access the buffer
memory in the master/local module.
Not set (Interrupts cannot be performed.)
Not set (Interlink transmission cannot be performed.)
Not set
Transient transmission that requires routing parameters cannot be
performed.
For whether routing parameters are needed, refer to the following.
Page 119, Section 7.8
or D825
) is stored in Parameter
H
H
APPENDICES
)).
H
A
539
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Troubleshooting
