Mitsubishi Electric FR-E800-HVC Series Instruction Manual page 59

 Wiring method
• Connecting one inverter (four-wire type)
Programmable controller
Built-in RS-485
Communication
port
cable
RDA
RDB
SDA
SDB
SG
• Connecting multiple inverters (four-wire type)
Programmable controller
Built-in RS-485 Communication
port cable
RDA
RDB
SDA
SDB
SG
• Connecting one inverter (two-wire type)
Programmable controller
Built-in RS-485
Communication
port
cable
RDA
RDB
SDA
SDB
SG
• Connecting multiple inverters (two-wire type)
Programmable controller
Built-in RS-485
Communication
port
cable
RDA
RDB
SDA
SDB
SG
58
2. Installation and Wiring
2.7 Communication connectors and terminals
Inverter
RS-485 terminal
(connector)
SDA
SDB
RDA
Terminating
RDB
resistor
SG
OPEN
Distributor
5 5
4 4
3 3
6 6
1 1
5 4 3 6 1
Inverter
RS-485 terminal S S R
R S
D D D D G
(connector)
A B A B
Terminating resistor
OPEN 100Ω
Inverter
RS-485 terminal
(connector)
SDA
SDB
RDA
Terminating
RDB
resistor
SG
OPEN 100Ω
Distributor
5 5
4 4
3 3
6 6
1 1
5 4 3 6 1
Inverter
RS-485 terminal S S R R S
D D D D G
(connector)
A B A B
Terminating resistor
OPEN 100Ω
100Ω
Distributor
5
4
3
6
1
5 4 3 6 1
Inverter
RS-485 terminal S S R R
S
D D D D G
(connector)
A B A B
Terminating resistor
OPEN 100Ω
Distributor
5
4
3
6
1
5 4 3 6 1
Inverter
RS-485 terminal S S R R S
D D D D G
(connector)
A B A B
Terminating resistor
OPEN 100Ω
Terminating inverter
RS-485 terminal
(connector)
SDA
5
SDB
4
3
RDA
6
RDB
1 SG
Terminating inverter
RS-485 terminal
(connector)
5 SDA
4 SDB
RDA
3
RDB
6
1 SG
Terminating
resistor
OPEN 100Ω
Terminating
resistor
OPEN 100Ω