Mitsubishi Electric 800 Series Instruction Manual page 47

Control circuit
Communication
Terminal
Symbol
— PU connector
TXD+
Inverter transmission terminal
TXD-
RXD+
Inverter reception terminal
RXD-
GND (SG) Earthing (grounding)
USB A connector
—
USB B connector
Terminals for manufacturer setting
Terminal symbol
S1
The terminals S1, S2, SIC, So (SO), and SOC are for manufacturer setting. Do not connect anything to these. Doing
S2
so may cause an inverter failure.
SIC
Do not remove the shorting wires across the terminals S1 and PC, the terminals S2 and PC, and the terminals SIC
So (SO)
and SD. Removing either shorting wire disables the inverter operation.
SOC
46
INSTALLATION AND WIRING
Terminal name
With the PU connector, communication can be made through RS-485. (For
connection on a 1:1 basis only)
Conforming standard: EIA-485 (RS-485)
Transmission format: Multidrop link
Communication speed: 4800 to 115200 bps
Wiring length: 500 m
The RS-485 terminals enables the communication by RS-485.
Conforming standard: EIA-485 (RS-485)
Transmission format: Multidrop link
Communication speed: 300 to 115200 bps
Overall length: 500 m
A connector (receptacle)
A USB memory device enables parameter
copies and the trace function.
Mini B connector (receptacle).
By connecting the inverter to a personal
computer via this connector, FR
Configurator2 installed on the computer can
be used for setting the inverter, or monitoring
or testing the inverter operation.
Terminal function description
Terminal function description
Interface: Conforms to
USB1.1 (USB2.0 full-
speed compatible)
Transmission speed: 12
Mbps
Refer
to
page
541
543
58
58