Silent Knight SD505-6IB Handleiding

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P/N 151175

SILENT

KNIGHT

®

SD505-6IB (6” Isolator Base)

Installation Instructions

The SD505-6IB is a 6 inch isolator base that fits

underneath the 6 inch detector base.

Class A (Style 7) Configuration

An isolator base is used to isolate a short circuit

wiring fault on a Class A (Style 7) SLC loop.

Normally if the control panel detects a short on

the SLC loop the entire loop is disabled. When

isolator modules are used (as shown in Figure 1)

and a short, open or ground fault occurs on the

SLC loop, it will be detected as a trouble but all

the SLC devices will continue to operate.

Figure 1: Class A (Style 7) Example

Class B (Style 4) Configuration

Figure 2: Class B (Style 4) Example

1.If a short occurs at point A (Figure 2),

isolator base 1 will activate, isolating SLC

devices 2 and 3 from the rest of the loop.

2.If a short occurs at point B (Figure 2),

isolator base 2 will activate, isolating SLC

devices 5 and 6 from the rest of the loop.

3.If a short occurs at point C (Figure 2),

isolator base 3 will activate, isolating SLC

devices 8 and 9 from the rest of the loop.

SD505-6IB Specifications

Specification ParameterRating

Operating Temperature:32° - 120° F

(0° - 49° C)

Dimensions:

Length:4-7/8”

Width4-7/8”

Depth:7/8”

Operating Voltage:32 VDC

Battery Current Draw dur-

ing AC loss:

Alarm/Standby:92 uA

SLC Current:50 uA

Max. SLC Loop Resistance:50Ω

For indoor use only

0-50 devices,

up to 10Ω per

branch

Product specificaties