HEAD OFFICE
: MITSUBISHI DENKI BLDG MARUNOUTI TOKYO 100-8310
TELEX : J24532 CABLE MELCO TOKYO
HIMEJI WORKS : 840, CHIYODA CHO, HIMEJI, JAPAN
•
Connecting with two or more inverters (Maximum 8 inverters)
4.2 Wiring
Wiring for PU (RS-485) Connector
•
Pin layout of PU (RS-485) connector
Caution:
The pin number 2 and 8 are for the power supply for an operation panel or parameter unit. DO
NOT use when connecting two or more inverters.
•
Connecting with one inverter
Pin number
Signal name
Note
1
SG
2
P5S
Not to be used
3
RDA
4
SDB
5
SDA
6
RDB
7
SG
8
P5S
Not to be used
1) PLC
FX
2N
, FX
2NC
(version 3.00 or later)
RS-485 communication module
[FX
2N
]
FX
2N
-485-BD
FX
0N
- FX
2N
-CNV-BD
[FX
2NC
]
FX
0N
-485ADP
2) Inverter
S500 (with RS-485 communication function),
E500, A500 series PU (RS-485) connector
Inverter
PU (RS-485)
connector
Inverter
Inverter
Terminal
resistor
. . . . .
Station number 0
Station number 1
Station number 7
3) 10 BASE-T cable
Distribution
terminal
Terminal
resistor
.
.
.
PU (RS-485)
connector
PU (RS-485)
connector
1) PLC
FX
2N
, FX
2NC
(version 3.00 or later)
RS-485 communication module
[FX
2N
]
FX
2N
-485-BD
FX
0N
- FX
2N
-CNV-BD
[FX
2NC
]
FX
0N
-485ADP
2) Inverter
A500 + FR-A5NR (optional)
Inverter
Terminal
resistor
. . . . .
Station number 0
3) Twisted pair cable
Terminal
resistor
Inverter
Station number 1
Inverter
Station number 7
FR-A5NR
FR-A5NR
FR-A5NR
.
.
.
•
Modular jack
Viewing from front
face of inverter
(receptacle side)
ˆ
PLC
RDA
RDB
SDA
SDB
LINK
SG
24+
24G
RDA
RDB
SDA
SDB
SG
FX
0N
-485ADP FX
2N
-485-BD
100
Ω
1/4W terminal resistor
(prepared by the user)
110
Ω
terminal resistor
24V DC
50mA
10 BASE-T cable
FG
Class D grounding
Inverter
R
D
B
R
D
A
S
D
A
S
D
B
S
G
PU (RS-485)
connector
5 4 3 6 1
Distribution
terminal
5 4 3 6 1
5
4
3
6
1
5
4
3
6
1
•
Connecting with two or more inverters (Maximum 8 inverters)
•
Applicable equipment
Use the connectors and cables for LAN (10 BASE-T) available on the market.
-
Connector: RJ45 connector
-
Cable: Cable conforming to EIA568 (such as 10 BASE-T cable)
-
Terminal resistor: On the PLC side, 110
Ω
On the inverter side, 100
Ω
and 1/4W prepared by the user
Wiring for FR-A5NR
•
Terminal layout
•
Connecting with one inverter
•
Connecting with two or more inverters (Maximum 8 inverters)
•
Applicable equipment
-
Cable: Use the twisted pair cables (0.3mm
2
or more, 3 pairs)
-
Terminal resistor : On the PLC side, 110
Ω
On the inverter side, a chip for connecting terminal resistor only to the remotest
FR-A5NR from the PLC (between RDB and RDR)
. . .
PLC
RDA
RDB
SDA
SDB
LINK
SG
24+
24G
RDA
RDB
SDA
SDB
SG
FX
0N
-485ADP FX
2N
-485-BD
24V DC
50mA
FG
Class D grounding
110
Ω
terminal resistor
10 BASE-T
cable
Inverter
R
D
B
R
D
A
S
D
A
S
D
B
S
G
PU (RS-485)
connector
5 4 3 6 1
Distribution
terminal
5 4 3 6 1
5
4
3
6
1
5
4
3
6
1
Inverter
R
D
B
R
D
A
S
D
A
S
D
B
S
G
PU (RS-485)
connector
5 4 3 6 1
Distribution
terminal
5 4 3 6 1
5
4
3
6
1
5
4
3
6
1
Inverter
R
D
B
R
D
A
S
D
A
S
D
B
S
G
PU (RS-485)
connector
5 4 3 6 1
Distribution
terminal
5 4 3 6 1
5
4
3
6
1
5
4
3
6
1
100
Ω
1/4W terminal resistor
(prepared by the user) attached to
the remotest inverter from PLC
Terminal block
screw size M3 (0.12")
Terminal symbol
SDB
SDA
RDA
RDB RDR
SG
A
B
C
Used to connect to PLC RS-485 communication module
A chip for connecting terminal
resistor
Twisted pair cable
(0.3mm
2
or more)
0.3mm
2
or more
R
D
B
R
D
A
S
D
A
S
D
B
S
G
FR-A5NR
R
D
R
Inverter
RDA
RDB
SDA
SDB
LINK
SG
24+
24G
RDA
RDB
SDA
SDB
SG
FX
0N
-485ADP FX
2N
-485-BD
24V DC
50mA
FG
Class D grounding
PLC
110
Ω
terminal resistor
Twisted pair cable (0.3mm
2
or more)
. . . . .
A chip for
connecting
terminal
resistor
attached to
the remotest
inverter from
PLC
Class D
grounding
Class D grounding
RDA
RDB
SDA
SDB
LINK
SG
24+
24G
RDA
RDB
SDA
SDB
SG
FX
0N
-485ADP FX
2N
-485-BD
24V DC
50mA
FG
Class D grounding
0.3mm
2
or more
PLC
R
D
B
R
D
A
S
D
A
S
D
B
S
G
FR-A5NR
R
D
R
Inverter
R
D
B
R
D
A
S
D
A
S
D
B
S
G
FR-A5NR
R
D
R
Inverter
R
D
B
R
D
A
S
D
A
S
D
B
S
G
FR-A5NR
R
D
R
Inverter
110
Ω
terminal resistor
Manual number : JY997D00401
Manual revision : A
Date
: JULY 2001
