SIGMATEK C-IPC 171 - RS485 Configuration and Wiring

C-IPC 171 C-DIAS IPC WITH AMD FUSION G-T56N
Page 26 04.11.2019
6.5 RS485
• Because the RS485 requires a defined quiescent point, a pull-up and pull-down resistor
is required in addition to the termination resistor.
• The terminating resistors with 120 Ω must be placed on each end of the bus
• Star wiring should be avoided