8-22
RS-485 communications port
Classifi-
cation
Connector Name Functions
Related
function
codes
Communication
RS-485
port*
RS-485
communications
I/O
(1) Used to connect the inverter with PC or PLC
using RS-485 port.
(2) Used to connect the inverter with the remote
keypad. The inverter supplies the power to the
remote keypad through the extension cable.
RJ-45 connector is used.
For the transmission specifications, refer to Chapter 6,
Section 6.4.2 [2] "RS-485 communications card."
H30,
y01 to
y10
y99
* This terminal is valid when the standard inverter is equipped with RS-485 communications card (option).
• Route the wiring of the control terminals as far from the wiring of the main circuit as
possible. Otherwise electric noise may cause malfunctions.
• Fix the control circuit wires inside the inverter to keep them away from the live parts of the
main circuit (such as the terminal block of the main circuit).
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