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Three methods are used to obtain operations information from the DPU1500R.
1.
The front panel MMI Main Menu item "Records" is accessed.
2.
Operations records can be accessed, viewed, and saved with WinECP. They can be found by in the History
Menu by choosing the Operations Records folder.
3.
Depending on the communications protocol contained in the DPU1500R, a command is issued to send the
operations records.
As can be seen in Figure 7-3, the operations records may contain a value associated with them. This value is a decimal
number that further defines the occurrence. "Editor Access" and "Self Test Failure" logs will include a value. To interpret
this number it must first be converted to binary. The binary bit pattern when compared to Table 7-1 will show what
occurred. Notice in Table 7-1 that the values for "Editor Access" and "Self Test Failure" mean different things. For
example: if the Operations Log records an "Editor Access" with a value of 256 it will not mean the same as a "Self Test
Failure" value of 256.
The Operations Record contains the last 128 operations. The Operations Record includes the:
•
Record number (most recent listed as "1")
•
Operation number (numbered sequentially in order of occurrence)
•
Description of the operation
•
Date and time of the operation
When the operation number reaches 999, the screen resets to 1.
Records
Figure 7-3. Operations Records
website:www.abb.com/papd
ABB Distribution Protection Unit 1500R
7-3
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