Overall, the Silent Knight SD500-SDM two-wire smoke module allows you to connect a loop of conventional detectors to a Silent Knight addressable fire alarm control panel (FACP). Each loop can then be assigned an address on the FACP. Also, the Silent Knight SD500-SDM allows you to assign an address to a loop of conventional detection devices. These devices can be dry contacts such as pull stations and heat detectors, or 2-wire smoke detectors. This means you can retrofit an existing building as well as utilize existing conventional devices.
In general, the Silent Knight SD500- SDM uses a 24VDC auxiliary power input to power the conventional loop and is connected to the SLC loop via two wires. Besides, the conventional loop can be configure as Class A or Class B giving you the flexibility to handle any job.
Features / Specifications
- Operating Voltage: SLC 32 VDC, Aux Power 24 VDC
- Operating Temperature: 32° – 120° F (0° – 49° C)
- Humidity: 10-85% RH
- Max. SLC Loop Resistance: 50 Ω
- Max. 2-wire Conventional Smoke Loop Resistance: 50 Ω
- Converts a conventional two-wire loop to an SLC loop
- Fully supervised
- Compatible with Class B and Class A loops
- Listed for use with all major two-wire detectors
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