Triconex Trident - Page 234

218 RS-485 Modbus Serial Cables
Trident Planning and Installation Guide
Note Resistor values must match the characteristic impedance of the cable.
Note Resistor values must match the characteristic impedance of the cable.
Traditional
Network
Termination
Cable T
Cable R
SD-A
SD-B
Ground
RD-A
RD-B
+ 5 VDC through 1 kW
MP
Slave
SD-A
SD-B
Ground
RD-A
RD-B
+ 5 VDC through 1 kW
Modbus
Master
Recommended
Network
Termination Using
a Double-Pair
Network
Cable T
Cable R
.01 fm
.01 fm .01 fm
.01 fm
SD-A
SD-B
Ground
RD-A
RD-B
+ 5 VDC through 1 kW
Modbus
Master
SD-A
SD-B
Ground
RD-A
RD-B
+ 5 VDC through 1 k
Ω
MP
Slave