Terminal Block; Communication Operation - Mitsubishi Electric FR-F700 Series Instruction Manual

Fr-f700 series
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Wiring
2.4.7
RS-485 terminal block
Conforming standard: EIA-485(RS-485)
Transmission format: Multidrop link
Communication speed: MAX 38400bps
Overall length: 500m (1640.42feet)
Connection cable:Twisted pair cable
(4 paires)
OPEN
100Ω
RDA1
RDB1
(RXD1+)
(RXD1-)
SDA1
SDB1
TXD
(TXD1+)
(TXD1-)
P5S
SG
(VCC)
(GND)
2.4.8

Communication operation

Using the PU connector or RS-485 terminal, you
can perform communication operation from a
personal computer etc. When the PU connector is
connected with a personal, FA or other computer
by a communication cable, a user program can run
and monitor the inverter or read and write to
parameters.
For the Mitsubishi inverter protocol (computer link
operation), communication can be performed with
the PU connector and RS-485 terminal.
For the Modbus RTU protocol, communication can
be performed with the RS-485 terminal.
For further details, refer to the instruction
manual (applied).
24
Terminating resistor switch
Factory-set to "OPEN".
Set only the terminating resistor switch of
the remotest inverter to the "100Ω" position.
RDA2
RDB2
RXD
(RXD2+)
(RXD2-)
SDA2
SDB2
(TXD2+)
(TXD2-)
P5S
SG
VCC
(VCC)
(GND)
PLC
Inverter
Inverter
Multidrop link
Inverter
(32 inverters maximum
are connectable)

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