2.2 Wiring
2-31
Chapter 2 INSTALLATION AND WIRING
RS-485 communications port
Table 2.2-20
Classification
Connector Name Functions
DX+/DX-
/SD
RS-485
communicatio
ns port 2
(Terminals on
control PCB)
A communications port transmits data through the RS-485
multipoint protocol between the inverter and a personal computer
or other equipment such as a PLC. (For setting of the terminating
resistor, refer to Section 2.2.7 "Setting up the slide switches.")
RJ-45
connector
for the
keypad
RS-485
communicatio
ns port 1
(connector for
the keypad)
(1)
Used to connect the inverter with the keypad. The extension
cable for remote operation also uses wires connected to
these pins for supplying the keypad power.
(2)
Remove the keypad from the standard RJ-45 connector and
connect the RS-485 communications cable to control the
inverter through the PC or PLC (Programmable Logic
Controller). (For setting of the terminating resistor, refer to
Section 2.2.7 "Setting up the slide switches.")
Figure 2.2-27 RJ-45 Connector and its Pin Assignment
•
Pins 1, 2, 7, and 8 are exclusively assigned to power lines for
the keypad. When connecting this RJ-45 connector to other
equipment, do not use these pins.
Communication
USB
connector
USB port
(On the
keypad)
A USB port connector (mini B) that connects an inverter to a
personal computer. FRENIC Loader (software
*
) running on the
computer supports editing the function codes, transferring them
to the inverter, verifying them, test-running an inverter and
monitoring the inverter running status.
* FRENIC Loader is contained in the provided CD-ROM.
FRENIC Loader is also available as a free download from our
website at:
http://www.fujielectric.co.jp/products/inverter/
On the Fuji website shown above, proceed through "Product
Information Download-FRENIC-MEGA Series-PC Loader
Software." Then download the "FRENIC-Mini/Eco/Multi/MEGA PC
Loader Software (FRENIC Loader)" and "FRENIC Loader/PC
Loader Instruction Manual."
• Route the wiring of the control circuit terminals as far from the wiring of the main circuit as
possible. Otherwise electric noise may cause malfunctions.
• Fix the control circuit wires with a cable tie 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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