E-24
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
4 Wiring
4.1 Wiring Procedure
4.1 Wiring Procedure
1 Confirming the connection method
Confirm the inverter connection method.
For details, refer to Section 4.2.
2 Preparing for wiring
Prepare cables, distributors and terminal resistors required for wiring.
For connection cables, refer to Section 4.3.
For distributors, refer to Section 4.4.
For terminal resistors, refer to Section 4.5.
3 Turning OFF the PLC power
Before starting any wiring work, make sure that the PLC power is OFF.
4 Connecting the power supply (FX0N-485ADP only)
Connect the power supply to the 24V DC power terminal.
5 Wiring communication equipment
Connect communication equipment with communication port of inverters (PU port, built-in terminal
for RS-485, FR-A5NR, FR-7TR).
For details, refer to Section 4.8.
6 Connecting terminal resistors
Connect terminal resistors to the communication equipment of the PLC and the RDA-RDB signal
terminal in the last inverter.
For details, refer to Section 4.5.
7 Wiring a shielding wire (Class-D grounding)
When using a twisted pair cable, wire a shielding wire.
For details, refer to Section 4.6.
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