SBUS Wiring
Control Panel Installation
FCP-300/FCP-300ECS Manual —
P/N LS10145-002FK-E:A 3/12/2021
29
Wiring Distance Calculation Example:
Suppose a System is configured with the following SBUS modules:
•
2 - Module FIK-RA1000 Fire Annunciator
•
1 - FIK-5496 NAC Expander
•
1 - FIK-5865 LED Fire Annunciator
•
1 - FIK-5824 Serial/Parallel Printer Interface Module
The total worst case current is calculated as follows:
Using this value, and referring to the Wiring Distance table, it can be found that the available options are as follows:
4.4.2 Wiring Configurations
Figure 4.8 illustrates the SBUS, Class B configuration.
Figure 4.8 SBUS Class B Wiring
Current Draw
Amps
Amps
FIK-RA1000 Current Draw
= 2 x .100 amps
= .200 amps
FIK-5496 Current Draw
= 1 x .010 amps
= .010 amps
FIK-5865 Current Draw
= 1 x .200 amps
= .200 amps
FIK-5824 Current Draw
= 1 x .040 amps
= .040 amps
Total Worst Case Current Draw
= .450 amps
NOTE:
For assistance with the SBUS calculation, refer to www.fike.com.
•
370 feet maximum using 22 Gauge wire
•
1493 feet maximum using 16 Gauge wire
•
938 feet maximum using 18 Gauge wire
•
2362 feet maximum using 14 Gauge wire
Supervised
Power-Limited
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