Page 12-7
IL17569
Effective June, 2001
Every time a protective function operates, it is recorded in the Event log, by default and no extra programming is needed. Note, most values
given with each log can be accessed by selecting the line immediately below the Cause and pressing Enter. The information given is a group
of status flag states at the time of the event. Table 12.6 shows all of the protective operations that can be logged in the Event log.
Table 12.6 Event Operate Cause Table
Cause
Cause Description
Value Given
50P IOC
Phase Instantaneous Over Current
OC Trip Status – contains status flags that
has operated
describe the state of all possible IOC and
TOC trip functions
50X IOC
IX (ground) Instantaneous Over Current
OC Trip Status – contains status flags that
has operated
describe the state of all possible IOC and
TOC trip functions
50R IOC
IR Residual Instantaneous Over Current
OC Trip Status – contains status flags that
has operated
describe the state of all possible IOC and
TOC trip functions
51P TOC
Phase Time Over Current has operated
OC Trip Status – contains status flags that describe
the state of all possible IOC and TOC trip functions
51X TOC
IX (ground) Time Over Current
OC Trip Status – contains status flags that
has operated
describe the state of all possible IOC and
TOC trip functions
51R TOC
IR Residual Time Over Current
OC Trip Status – contains status flags that
has operated
describe the state of all possible IOC and
TOC trip functions
59M OV
Main Phase Over Voltage
Voltage Trip Status – contains the status flags that
has operated
describe all under and over voltage trips
27M UV
Main Phase Under Voltage
Voltage Pickup Status – contains the status
has operated
flags that describe all under and over voltage trips
59A OV
Auxiliary Over Voltage has operated
Voltage Pickup Status – contains the status flags that
describe all under and over voltage trips
27A UV
Auxiliary Under Voltage has operated
Voltage Pickup Status – contains the status flags that
describe all under and over voltage trips
46 Iunbal
Phase Current Unbalance
Miscellaneous Trip Status – contains the status flags
has operated
that describe all unbalance, frequency, breaker failure,
power factor, and zone interlocking trips
47 Vunbal
Phase Voltage Unbalance
Miscellaneous Trip Status – contains the status flags
has operated
that describe all unbalance, frequency, breaker failure,
power factor, and zone interlocking trips
81 UF
Under Frequency has operated
Miscellaneous Trip Status – contains the status flags
that describe all unbalance, frequency, breaker failure,
power factor, and zone interlocking trips
81 OF
Over Frequency has operated
Miscellaneous Trip Status – contains the status flags
that describe all unbalance, frequency, breaker failure,
power factor, and zone interlocking trips
BF
Breaker Failure has operated
Miscellaneous Trip Status – contains the status flags
that describe all unbalance, frequency, breaker failure,
power factor, and zone interlocking trips
Содержание 66D2041G01
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