45
S280-77-4
!
SAFETY
FOR LIFE
Sensitive Ground/Earth Fault (cont’d)
Security
Limits
Access
Factory
Code
Write
Read
Scroll
High
Low
Incr
Parameter
Settings
123
1
0
YES
120
2
1
Definite Time to Trip (seconds)
120
•
This is the actual time at which the Sensitive
Ground/Earth Fault feature will trip.
Security
Limits
Access
Factory
Code
Write
Read
Scroll
High
Low
Incr
Parameter
Settings
124
1
0
YES
4
1
1
Operations to Lockout
4
•
This is the number of trip operations to lockout
caused by the Sensitive Ground/Earth Fault feature.
•
The setting is independent of the Number of Opera-
tions to Lockout (Access Code 05) set for normal
phase and earth trip operations.
IMPORTANT:
Any combination of Sensitive
Ground/Earth Fault and phase and ground
operations will not exceed four operations to
lockout.
Security
Limits
Access
Factory
Code
Write
Read
Scroll
High
Low
Incr
Parameter
Settings
125
--
0
NO
--
--
--
Sensitive Ground/Earth Fault Status
--
•
Applicable to controls with CPU Firmware versions
9.XX, 12.XX, and 13.XX only.
•
Indicates the ON or OFF status of Sensitive
Ground/Earth Fault.
•
Sensitive Ground/Earth Fault is selected either by
the front panel SGF switch or from supervisory con-
trol.