Appendix D: Communication Configuration
Appendix
Appendix
Appendix D:
D:
D: Communication
Communication
Communication Configuration
Configuration
Configuration
When installing a system, each component requires
communication cables. See the diagram below for
sample configurations.
NOTE:
NOTE:
NOTE: The last fiber optic converter in the system
must have the RS-485 termination resistor installed
on the uncabled connector to properly terminate the
circuit. The termination resistor is installed on the
fiber optic converter in the Supervisor Box in the
factory. Relocate it if additional fiber optic converters
are installed in the system.
Allen
Allen
Allen Bradley
Bradley
Bradley PowerFlex
PowerFlex
PowerFlex
C1 C2
C1 C2
Master
4
5
TxRxD-
TxRxD+
TxRxD-
TxRxD+
TxRxD-
TxRxD+
Shield
Shield
Shield
120 ohm resistor
120 ohm resistor
X
X
X
FRONT
PIN 8
PIN 1
TxRxD-
TxRxD+
RS485
(DSI)
RS485
(DSI)
AK-U0-RJ45-TB2P
R/L1S/L2 T/L3 U/T1V/T2W/T3
R/L1S/L2 T/L3 U/T1V/T2W/T3
BR+
BR-
DC-DC+
BR+
BR-
DC-DC+
TxRxD-
TxRxD+
PowerFlex 525
Node 1
4
5
PowerFlex 523
Node 2
4
5
PowerFlex 525
Node “n”
Figure 106 Modbus Wiring Diagram
TxRxD+ = B(+)
TxRxD- = A(-)
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3A4030C