4: Earth Fault Resistance - Honeywell Silent Knight SK318PT Installation And Operation Manual

13.4.4 Earth Fault Resistance
Table 13.1 lists the earth fault resistance detection for each applicable terminal on the FACP.
Function
Flexput™
Notification
Circuits
Notification
Circuits
SBUS
Communication
SBUS Power
SBUS
Communication
SBUS Power
SLC Terminals
EXT. COMM
6820 / 6820EVS Manual P/N LS10144-001SK-E:C 09/28/2017
Terminal Label
Terminal
Number (Values in Ohms)
4 +
5 –
6 +
7 –
8 +
9 –
10 +
11 –
12 +
13 –
14 +
15 –
16 B
17 A
18 +
19 -
20 B
21 A
22 +
23 -
33 SC-
34 S+
35 SC-
36 S+
B
A
+
–
Table 13.1 : Earth Fault Resistance Values by Terminal
Low Biased
High
Trip
I/O 6 -
0
I/O 5 -
0
NAC 4 -
0
NAC 3 -
0
NAC 2 -
0
NAC 1 -
0
SBUS OUT -
-
0
-
SBUS IN -
-
0
-
SLC OUT -
0
SLC IN -
0
-
-
0
-
High Biased
High Low
Restore Trip
- 0
0 -
- 0
0 -
- 0
0 -
- 0
0 -
- 0
0 -
- 0
0 -
- 0
- 0
0 -
- 0
- 0
- 0
0 -
- 0
- 0
0 -
- 0
0 -
- 0
- 0
0 -
- 0
Low
Restore
0
-
0
-
0
-
0
-
0
-
0
-
0
0
-
0
0
0
-
0
0
-
0
-
0
0
-
0
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