UTC Fire and Security FenwalNET 8000-ML - Page 99

Installation
P/N 06-237041-001 2-51 February 2011
Use Figure 2-42 to estimate the maximum length of wire that can be connected to RS-485 peripheral
devices.
Figure 2-42. 24 Vdc-Power Wiring Length vs. Peripheral-Devices Current
0
500
1000
1500
2000
2500
3000
3500
4000
0.1 0.20.30.40.50.60.70.80.9 1.0
Total Current (A) for RS-485 Peripheral Devices
0.0
#18AWG
#16AWG
#14AWG
#12AWG
MaximumDistance (Ft.)