13. Troubleshooting
13-38
(b) Return code errors
When a J.NET module detects an error on the communications line, the module sets the ALM of the S
register and the error flag of the NET status to ON. The module then writes an error code in the S table
to record the error information.
Table 13-19 Error codes for communication errors
Error code
Description
Corrective action
7110
An undefined service was requested.
- Reset the CPU. If the error occurs after the
reset, restart the system.
- If the error persists, replace the J.NET module.
7120
The data length is incorrect.
7130
The packet structure is incorrect.
7061
Input data has not been completely acquired by
the station.
- This is not an error.
- The module returns to normal as soon as the
input data is completely acquired.
2010
An error occurs during a CRC check.
- Verify that the network status is normal.
- Verify that the SVPT settings match the station
settings.
- If the error persists, replace the J.NET module.
2020
The station number is between 128 and 254.
The station number of the receiver is incorrect.
2030
An undefined service was specified.
2040
I frame length is 137 bytes or longer, and UI
frame length is 134 bytes or longer.
2041
An I frame is not included in the I response.
2042
An I frame is included in the monitoring frame.
2050
There is an error in the data link procedure.
2060
A timeout occurred (no response was received
from the slave device within the specified
time).
- Turn off and then turn on the power to the
station.
- Verify that the switch settings of the J.NET
module and the station are correct.
- If the error persists, replace the station.
2061
Recovery was not possible after retries.
2070
A frame could not be transmitted to the
network. Alternatively, an error was detected
while a frame was being received.
- Check the network line connection and the
termination resistor connection.
- Verify that the SVPT settings match the station
settings.
- Reset the CPU. If the error occurs after the
reset, restart the system.
- If the error persists, replace the J.NET module.
2080
A miscellaneous error occurred.
- Reset the CPU. If the error occurs after the
reset, restart the system.
- If the error persists, replace the J.NET module.
Summary of Contents for S10VE
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