Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual page 21

Symbol
(a) PU connector
(b) USB A connector
(c) USB mini B connector
(d) RS-485 terminals
Terminating resistor selection switch
(e)
(SW1)
(f) Plug-in option connector 1
(g) Plug-in option connector 2
(h) Plug-in option connector 3
(i) Voltage/current input switches (SW2) Selects between voltage and current for the input via terminals 2 and 4.
(j) Control circuit terminal block
(k) EMC filter ON/OFF connector
(l) Main circuit terminal block
(m) Charge lamp
(n) Wiring cover
(o) Alarm lamp
(p) Power lamp
(q) Front cover (upper side)
(r) Front cover (lower side)
(s) Operation panel (FR-DU08)
(t) Cooling fan
Switches (SW3 and SW4) for
(u)
manufacturer setting
20
1. INTRODUCTION
1.2 Component names
Name
Connects the operation panel or the parameter unit. This connector also
enables the RS-485 communication.
Connects a USB memory device.
Connects a personal computer and enables communication with FR
Configurator2.
Enables RS-485, MODBUS RTU communication.
Select whether or not to use the terminating resistor for RS-485
communication.
Connects a plug-in option or a communication option. (For the FR-A800-GF,
a CC-Link IE Field Network communication circuit board is installed to the
connector 1. Refer to
Connects cables for the control circuit.
Turns ON/OFF the EMC filter.
Connects cables for the main circuit.
Stays ON while the power is supplied to the main circuit.
This cover is removable without unplugging cables. (FR-A820-01250(22K) or
lower, FR-A840-00620(22K) or lower)
Turns ON when the protective function of the inverter is activated.
Stays ON while the power is supplied to the control circuit (R1/L11, S1/L21).
Remove this cover for the installation of the product, installation of a plug-in
(communication) option, RS-485 terminal wiring, switching of the voltage/
current input switches, etc. (The FR-A800-GF had a front cover with an LED
display cover.)
Remove this cover for wiring.
Operates and monitors the inverter.
Cools the inverter. (FR-A820-00105(1.5K) or higher, FR-A840-00083(2.2K) or
higher)
Do not change the initial setting (OFF
Description
page 107.)
OFF ).
ON
Refer to
page
83
84
84
85
85
Instruction
Manual of
the option
473
68
118
54
55
57
55
55
33
33
136
780
—