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PRIORITY LEVELS
Three levels of update rate can be entered for use in data configuration (Section 6.6.3), to define how often a
value is read or written. In order to optimize performance, it is recommended that the slowest rate consistent
with requirements be selected. The intervals are selected from a scroll list see Figure 81 above.
6.6.2 Slave Diagnostics menu
Note: Diagnostic values are reset on power up.
Actual High
Actual Medium
Actual Low
Device Status
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FEC920: USER GUIDE
Modbus Master.Slave.1.Diagnostics
Actual High
Actual Medium
Actual Low
Device Status
Loopback Test
Successful
Timeouts
Illegal Function
illegal Address
Ilegal Data
Slave Failure
No Gateway Path
Figure 82 Diagnostics menu
The high priority rate that this slave is actually running at. This can never be faster than
the high priority rate that was configured for this device (Slave Main menu, above), but if
the master is heavily loaded the rate may be lower than that specified.
The medium priority rate that this slave is running at. This can never be faster than the
medium priority rate that was configured for this device (Slave Main menu, above), but if
the master is heavily loaded the rate may be lower than that specified.
The actual low priority rate that this slave is running at. This can never be faster than the
low priority rate that was configured for this device (Slave Main menu, above), but if the
master is heavily loaded the rate may be lower than that specified.
The status of the last transaction to this slave.
Success: The transaction was successfully actioned by the slave device.
Timeout: There was no response from the slave device to a given request within the
configured time.
Illegal Address: The request to the slave device contained an invalid Modbus address.
The address may be for a read only parameter.
Illegal Value: The request to the slave device contained invalid data for the specified
parameter.
Bad Sub: The sub function code in the request was invalid.
Idle: This data item is currently idle and not communicating with the slave device.
A5E45696052A Rev-AA
0.125
1.000
2.000
Success
No
Total
15428
15428
0
Failures
0
Retries
0
0
0
0
0
0
No
Reset
September 18
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