Honeywell NOTIFIER SCS Series Operation And Installation Manual page 45

SCS-8⁄SCE-8 Installation
120 ohms if required.
SCS Series Manual — P/N 15712:L 7/18/16
Back side of board
FACP/Network
Annunciator
EIA-485 (–)
EIA-485 (+)
Terminate with
FACP/Network
Annunciator
EIA-485 (–)
EIA-485 (+)
Figure 3.14 Wiring Two or More Smoke Control Stations (SCS-8)/Annunciators
Fire Alarm Control Panel
Figure 3.15 EIA-485 and Power Wiring
Figure 3.13 SCS-8 Terminals
First SCS-8 or Annunciator _ _ _ _Last SCS-8
–
–
TB2
+
+
First SCS-8 or Annunciator _ _ __Last Annunciator
–
–
TB2
+
+
24 VDC Power
(12 to 18 AWG )
Two-wire EIA-485 Circuit
(Maximum of 6,000 feet)
EIA-485 In (–)
EIA-485 Out (–)
EIA-485 Out (+)
EIA-485 In (+)
Not Used
Not Used
Common In (–)
Common Out (–)
Power In (+24 VDC)
Power Out (+24 VDC)
Earth Ground
Dipswitch 8 ON
–
–
TB2
+
+
ELR installed
–
ELR
–
TB2
Part #
+
71244
+
SCS-8
Note: The
AM2020/AFP1010
control panels can
support two EIA-485
circuits, each capable
of spanning 6,000
feet @ 16 AWG
(refer to The
AM2020/AFP1010
Installation Manual).
The SCS⁄SCE
45