Earth Fault Resistance - Honeywell 6820EVS Installation And Optimization Manual

Model 6820 / 6820-EVS Installation Manual
13.5.4

Earth Fault Resistance

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