Rs-485 Terminal Block - Mitsubishi Electric FR-F820-00046 Instruction Manual

Fr-f800 series
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NOTE
• Do not connect devices other than a USB memory device to the inverter.
• If a USB device is connected to the inverter via a USB hub, the inverter cannot recognize the USB memory device properly.
 USB device communication
The inverter can be connected to a personal computer with a USB (ver. 1.1) cable.
Parameter setting and monitoring can be performed by using FR Configurator2.
Interface
Conforms to USB 1.1
Transmission speed
12 Mbps
Wiring length
Maximum 5 m
Connector
USB mini B connector (receptacle)
Power supply
Self-powered
NOTE
• For the details of FR Configurator2, refer to the Instruction Manual of FR Configurator2.
2.7.3

RS-485 terminal block

 Communication operation
Conforming standard
Transmission format
Communication speed
Overall length
Connection cable
The RS-485 terminals enable 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 to monitor the inverter or read and
write parameters.
Communication can be performed with the Mitsubishi inverter protocol (computer link operation) and MODBUS RTU protocol.
For the details, refer to
page
Terminating resistor switch
Initially-set to "OPEN".
Set only the terminating resistor switch of
the remotest inverter to the "100Ω" position.
P5S
SG
SDA1
(VCC)
(GND)
(TXD1+)
OPEN
VCC
GND
+ TXD
VCC
GND
+ TXD
100Ω
P5S
SG
SDA2
(VCC)
(GND)
(TXD2+)
EIA-485 (RS-485)
Multidrop link
maximum 115200 bps
500 m
Twisted pair cable (4 pairs)
475.
SDB1
RDA1
RDB1
(TXD1-)
(RXD1+)
(RXD1-)
-
+
RXD
-
-
+
RXD
-
SDB2
RDA2
RDB2
(TXD2-)
(RXD2+)
(RXD2-)
2. INSTALLATION AND WIRING
2.7 Communication connectors and terminals
1
2
3
4
5
6
7
8
9
10
75

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