Mitsubishi Electric 800 Series Instruction Manual page 130

• Connecting multiple inverters (four-wire type)
Programmable controller
Built-in RS-485
Communication
port
cable
RDA
RDB
SDA
SDB
SG
Inverter
PU connector
• Connecting one inverter (two-wire type)
Programmable controller
Built-in RS-485 Communication
port cable
RDA
RDB
SDA
SDB
SG
Inverter
PU connector
• Connecting multiple inverters (two-wire type)
Programmable controller
Built-in RS-485
Communication
port
cable
RDA
RDB
SDA
SDB
SG
Inverter
PU connector
Distributor
5 5
4 4
3 3
6 6
1 1
5 4 3 6 1
Inverter
S S R R S
PU connector
D D D D G
A B A B
Distributor
5 5
Terminating
4 4
resistor
3 3
6 6
1 1
5 4 3 6 1
S S R R S
D D D D G
A B A B
Distributor
5 5
4 4
3 3
6 6
1 1
5 4 3 6 1
Inverter
S S R R S
PU connector
D D D D G
A B A B
Distributor
5 5
4 4
3 3
6 6
1 1
5 4 3 6 1
Inverter
S S R R S
PU connector
D D D D G
A B A B
Distributor
5 5
4 4
3 3
6 6
1 1
5 4 3 6 1
Inverter
S S R R S
PU connector
D D D D G
A B A B
Distributor
5 5
Terminating
4 4
resistor
3 3
6 6
1 1
5 4 3 6 1
S S R R S
D D D D G
A B A B
Distributor
5 5
Terminating
4 4
resistor
3 3
6 6
1 1
5 4 3 6 1
S S R R S
D D D D G
A B A B
3. RS-485 Communication
3.3 Wiring of PU connector
1
2
3
4
5
6
7
8
9
10
129