AFP-400 Installation
PN
50253
:
A2 03/12/96
2-49
Four-Wire SLC Communications Loop (NFPA Style 6)
The following is a typical wiring diagram of a supervised and power-limited
four-wire SLC communications loop that meets NFPA 72-1993 Style 6 require-
ments. The following table contains the SLC loop connections for this circuit.
LOOP
ADDRESS TYPE
ION
PHOTO
THER
9
8
7
6
5
1
2
3
4
-
+
-
+
-
+
+
-
9
8
7
6
5
1
2
3
4
COM
NC
NO
-
+
1
2
3
4
5
6
1
2
3
4
5
6
RS485
RS485
RS485 ACS
TB3
TB4
TB5
TERM IN TERM OUT
TB6
SLC2 SLC2 SLC2 SLC2
SLC1 SLC1 SLC1 SLC1
+
-
2(+)
1(-)
3
BGX-101L
no connection
MMX
CMX
Style 6 Overview
Style 6 Wiring Diagram
BGX-101L
BX-501 Base
CPU-400
Style 6 Four-Wire SLC Communications Loop
Connection
Loop 1
Loop 2
Loop Out
TB5-1 (+)
TB5-3 ()
TB6-1 (+)
TB6-3 ()
Loop Return
TB5-2 (+)
TB5-4 ()
TB6-2 (+)
TB6-4 ()
BX-501 Base
For use
with SDX, CPX
and FDX Series Intelligent
Detectors.
