Mitsubishi Electric 800 Series Instruction Manual page 69

 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.
Item
Interface
Transmission speed
Wiring length
Connector
Power supply
NOTE
• For details on FR Configurator2, refer to the Instruction Manual of FR Configurator2.
2.7.3 RS-485 terminal block
 Communication operation
Item
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
Terminating resistor switch
Initially-set to "OPEN".
Set only the terminating resistor switch of
the remotest inverter to the "100Ω" position.
P5S SG
(VCC) (GND)
OPEN
VCC GND
100Ω
VCC GND
P5S SG
(VCC) (GND)
68
2. INSTALLATION AND WIRING
2.7 Communication connectors and terminals
Specification
Conforms to USB 1.1
12 Mbps
Maximum 5 m
USB mini B connector (receptacle)
Self-powered
Specification
EIA-485 (RS-485)
Multidrop link
Maximum 115200 bps
500 m
Twisted pair cable (4 pairs)
page 475.
SDA1 SDB1 RDA1 RDB1
(TXD1+) (TXD1-) (RXD1+) (RXD1-)
+ TXD - + RXD -
+ TXD - + RXD -
SDA2 SDB2 RDA2 RDB2
(TXD2+) (TXD2-) (RXD2+) (RXD2-)