Toshiba W7 - Manual (Page 75)

W7 ASD Installation and Operation Manual 69
Earth Fault Alarm Level
Program ⇒ Protection Settings ⇒ EF Alarm Level
This parameter sets the threshold level (%) that must be exceeded to meet the
Earth Fault Alarm activation criteria.
Parameter Type — Numerical
Factory Default — 100
Changeable During Run — Yes
Minimum — 0
Maximum — 100
Units — %
Earth Fault Alarm Time
Program
⇒
Protection Settings
⇒
EF Alarm Delay
In the event that the Earth Fault Alarm activation criteria is met, a timer
begins to count down to zero. Upon reaching zero, the Earth Fault Alarm is
activated.
This parameter sets the start-time of the count-down timer.
Parameter Type — Numerical
Factory Default — 1.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 2.50
Units — Seconds
Earth Fault Trip Delay
Program ⇒ Protection Settings ⇒ EF Trip Delay
In the event that the Earth Fault Trip activation criteria is met, a timer begins
to count down to zero. Upon reaching zero, the Earth Fault Trip is activated.
This parameter sets the start-time of the count-down timer.
Parameter Type — Numerical
Factory Default — 1.0
Changeable During Run — Yes
Minimum — 0.00
Maximum — 2.50
Units — Seconds
Earth Fault Trip Level
Program ⇒ Protection Settings ⇒ EF Trip Level
This parameter sets the threshold level (%) that must be exceeded to meet the
Earth Fault Trip activation criteria.
Parameter Type — Numerical
Factory Default — 1.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 1.00
Units — %
Earth Fault Alarm Level Earth Fault Trip Level