Honeywell Silent Knight SK318PT - 4: Earth Fault Resistance

6820 / 6820EVS Manual P/N LS10144-001SK-E:C 09/28/2017 177
13.4.4 Earth Fault Resistance
Table 13.1 lists the earth fault resistance detection for each applicable terminal on the FACP.
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--00
+00--
–--00
Table 13.1 : Earth Fault Resistance Values by Terminal