Model 6820 / 6820-EVS Installation Manual
LS10144-001SK-E
13-5
13.5.4
Earth Fault Resistance
Table 13-1 lists the earth fault resistance detection for each applicable terminal on the FACP.
Table 13-1: Earth Fault Resistance Values by Terminal
Function
Terminal
Number
Terminal Label
Low Biased
High Biased
(Values in Ohms)
High
Trip
High
Restore
Low
Trip
Low
Restore
Flexput™
Notification
Circuits
4
+
I/O 6
-
-
0
0
5
–
0
0
-
-
6
+
I/O 5
-
-
0
0
7
–
0
0
-
-
Notification
Circuits
8
+
NAC 4
-
-
0
0
9
–
0
0
-
-
10
+
NAC 3
-
-
0
0
11
–
0
0
-
-
12
+
NAC 2
-
-
0
0
13
–
0
0
-
-
14
+
NAC 1
-
-
0
0
15
–
0
0
-
-
SBUS
Communication
16
B
SBUS OUT
-
-
0
0
17
A
-
-
0
0
SBUS Power
18
+
0
0
-
-
19
-
-
-
0
0
SBUS
Communication
20
B
SBUS IN
-
-
0
0
21
A
-
-
0
0
SBUS Power
22
+
0
0
-
-
23
-
-
-
0
0
SLC Terminals
33
SC-
SLC OUT
-
-
0
0
34
S+
0
0
-
-
35
SC-
SLC IN
-
-
0
0
36
S+
0
0
-
-
EXT. COMM
B
-
-
0
0
A
-
-
0
0
+
0
0
-
-
–
-
-
0
0