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Wiring a Signaling Line Circuit (SLC)
2.9 Wiring a Signaling Line Circuit (SLC)
AFP-200 PN 15511:H2 10/14/2002
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2.9.1 Overview of SLC Wiring
Communication between the control panel and intelligent and addressable initiating,
monitor, and control devices takes place through a Signaling Line Circuit (SLC). You
can wire an SLC to meet the requirements of NFPA Style 4, Style 6, or Style 7 circuits.
This section covers the topics outlined in Table 9:
Topics
Refer to
Setting an Address for a
Figure 22.
monitor, control, or relay
module
Methods for terminating
"SLC Shield Termination" on page 43.
wiring leaving the
control panel
Wire Requirements for
"Wire Requirements for a Two-wire SLC" on page 45, which covers:
a Two-wire SLC
• Loop resistance for a Two-wire SLC.
• Total wiring length for a Two-wire SLC.
• Typical Wiring for a Two-wire SLC.
Wire Requirements for
"Wire Requirements for a Four-wire SLC" on page 46, which covers:
a Four-wire SLC
• Loop resistance for a Four-wire SLC.
• Total wiring length for a Four-wire SLC.
• Typical Wiring for a Four-wire SLC.
Wiring an ISO-X
"Wiring an Isolator Module (ISO-X)" on page 49, which covers:
Isolator Module
• Description of an ISO-X Module
• Isolating a Branch of a Two-wire SLC
Wiring a Conventional
"Wiring an IDC with Monitor Modules" on page 50, which covers:
Initiating Device Circuit
• Description of Monitor Modules
(IDC)
• Wiring a Two-wire or Four-wire IDC.
Wiring Notification
"SLC Wiring with Control Modules" on page 57, which covers:
Appliance Circuits
• Description of control/relay modules
(NACs)
• Wiring a Relay Module
• Wiring a Control Module
• Wiring a Two-wire NAC (Style Y)
• Wiring a Four-wire NAC (Style Z)
Wiring an Intelligent
"SLC Wiring with an Intelligent Detector" on page 59
Detector
Wiring an Addressable
"SLC Wiring with an NBG-12LX Addressable Manual Pull Station"
Manual Pull Station
on page 60
Table 9 SLC Wiring Topics
Installation
41
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