Rockwell-automation 592- E300 Overload Relay User Manual Manual de usuario Pagina 129

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Rockwell Automation Publication 193-UM015B-EN-P - June 2014 129
Protective Trip and Warning Functions Chapter 5
L2 Line Loss Trip Delay
L2 Line Loss Trip Delay (Parameter 287) allows the installer to define the time
period a L2 Line Loss condition must be present before a trip occurs. It is
adjustable from 0.1…25.0 seconds.
Table 115 - L2 Line Loss Trip Delay (Parameter 287)
L2 Line Loss Warning
The E300 Electronic Overload Relay will indicate an L2 Line Loss warning if:
No warning currently exists
IMPORTANT
The Protection Fault State of Relay 0, Relay 1, Relay 2, Digital Module 1 Output
Relays, Digital Module 2 Output Relays, Digital Module 3 Output Relays, and
Digital Module 4 Output Relays are defined by the respective parameters:
Output PT00 Protection Fault Action (Parameter 304)
Output PT00 Protection Fault Value (Parameter 305)
Output PT01 Protection Fault Action (Parameter 310)
Output PT01 Protection Fault Value (Parameter 311)
Output PT02 Protection Fault Action (Parameter 316)
Output PT02 Protection Fault Value (Parameter 317)
Output Digital Module 1 Protection Fault Action (Parameter 322)
Output Digital Module 1 Protection Fault Value (Parameter 323)
Output Digital Module 2 Protection Fault Action (Parameter 328)
Output Digital Module 2 Protection Fault Value (Parameter 329)
Output Digital Module 3 Protection Fault Action (Parameter 334)
Output Digital Module 3 Protection Fault Value (Parameter 335)
Output Digital Module 4 Protection Fault Action (Parameter 340)
Output Digital Module 4 Protection Fault Value (Parameter 342)
Default Value 1.0
Minimum Value 0.1
Maximum Value 25.0
Parameter Type USINT
Size (Bytes) 1
Scaling Factor 10
Units Sec
IMPORTANT
The Line Loss Inhibit Timer starts when L1, L2, or L3 Line Loss protection is
activated by a programmed digital input (see Input Assignment Parameters
196-201). The E300 Electronic Overload Relay does not begin monitoring for
Line Loss condition until the Line Loss Inhibit Timer expires.
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