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9.4 MELSECNET/H Utility
9.4.3 Operating Error history monitor screen
9
UTILITY OPERATION
9.4.3 Operating Error history monitor screen
This screen displays the historical data of loop errors, communication errors, and transient
transmission errors.
POINT
1. Up to 16 loop switching or transient transmission errors are stored as
historical data.
If the number of errors exceeds 16, the older ones are deleted in order.
(No.1 (Oldest) to No.16 (Newest))
2. Refer to the following manual for the error codes and types displayed in the
Transient transmission errors.
Q Corresponding MELSECNET/H Network System Reference Manual
(PLC to PLC network)
(1) Error history monitor screen
(To next page)
Figure 9.77 Error history monitor screen
Table9.62 Explanation of Error history monitor screen
Item Description
Correspon-
ding SB
Correspon-
ding SW
Target module
Select the target MELSECNET/H module whose error history
is monitored.
(Initial value: 1, Setting range: 1 to 4)
button
Displays the Clear of error history screen. ( This section
(2))
Module information
Error history monitor
Online operationOther station monitor Parameter setting Target setting
Clear error history
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