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Dual SLC Loop Expander

The model FN-4127-SLC Dual SLC Loop Expander is a two loop expander board that increases the standard FireNET loop capacity from 2 to 4 loops. The FN-4127-SLC can be added at the factory or installed in the field, and mounts within the main control board location as a piggy-back board. By adding the FN-4127-SLC, the FireNET capacity is increased from 254+254 to 508+508 analog addressable points within the overall 800 address/ sub-address limit. The FN-4127-SLC has the same functionality as the built-in SLC loops. The FN-4127- SLC utilizes Hochiki’s robust DCP loop protocol for highly reliable and fast alarm reporting without the need for shielded or twisted pair wiring for the SLC loops.

• Adds two SLC loops to a two loop FireNET control panel

• Each SLC loop is capable of 127 sensors/modules, plus 127 analog sounder bases, for a potential total of 254 addresses per loop (127+127 per loop)

• FN-4127-SLC can be added at the factory or installed in the field

• Supports Class A and B wiring methods per NFPA72 Styles 4, 6, and 7 (with isolators)

• Fully supervised & power limited SLC loops

• Supports Hochiki’s DCP (Digital Communication Protocol) loop protocol

• Same functionality as built-in SLC loops of FireNET control panel

• One SLC expander (maximum) may be added per FireNET control panel

• Each SLC loop is completely independent and autonomous

• Uses standard wire, no shielded or twisted pair required on SLC loops

Operating Voltage 24 - 40VDC
Board Current 100mA (+ loop current)
Loop Current 400mA max. each
System Capacity One expander per FireNET control panel
Loops per expander 2 SLC (Class A or B)
Devices per loop 127 sensors/modules + 127 analog sounder bases, 254 total 127 sensors/modules + 127 analog sounder bases, 254 total
Loop Load impedance 50 ohms, 1uF, 1mH max.
Size 6.3" L x 4.5" W

 

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