FireLite SLC Wiring Manual — P/N 51309:P4 9/17/2014 39
MMF-300-10 Wiring Diagrams Monitor Modules
5.4 MMF-300-10 Wiring Diagrams
Following are wiring diagrams that depict NFPA Style B (Class B) and D (Class A) Initiating
Device Circuits (IDCs) using MMF-300-10 monitor modules.
The Initiating Device Circuit (IDC) is supervised and current-limited to 1.0 milliampere @ 24
VDC (nominal).
5.4.1 Wiring a NFPA Style B IDC with an MMF-300-10
Connect the SLC wiring to the module terminals T5 as shown below.
Use the rotary switches on the module to set the base SLC address. Each module takes ten
addresses on the SLC. The remaining module points are automatically assigned to the next nine
higher addresses. Refer to “Setting an SLC address for a Multi-Point Module” on page 35.
DO NOT set the lowest address above 150 (41 for the MS-9050UD, 90 for the MS-9200, MS-
9200UD, and MS-9200UDLS), as the other module points will be assigned to nonexistent
addresses.
The figure below shows typical wiring for a supervised and power-limited NFPA Style B IDC
using an MMF-300-10 module.
• Refer to the Device Compatibility Document for compatible smoke detectors.
• See “Power Considerations” on page 68 for information on supervising 24 VDC power.
24 VDC Power
Filtered, Regulated, Resettable
24 VDC Four-wire
Detector Base
Manual Pull
Station
Heat
Detector
MMF-300-10
SLC
47K ELR
(supplied
with module)
IDC
Out
SLC-idcB4.wmf
Figure 5.12 Typical Style B IDC Wiring with an MMF-300-10
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