UTC Fire and Security FenwalNET 8000-ML Installation, Operation And Maintenance Manual page 99

Use Figure 2-42 to estimate the maximum length of wire that can be connected to RS-485 peripheral
devices.
4000
3500
3000
2500
2000
1500
1000
500
0
0.0 0.1
Figure 2-42. 24 Vdc-Power Wiring Length vs. Peripheral-Devices Current
P/N 06-237041-001
0.2 0.3 0.4
Total Current (A) for RS-485 Peripheral Devices
0.5 0.6 0.7
2-51
Installation
0.8 0.9 1.0
February 2011