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Mitsubishi Electric FX5 User Manual page 89

Melsec iq-f series
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■FR-E7TR
• When one inverter is connected (4-wire type)
Set the termination resistor selector
Built-in RS-485 port
switch to "110 ".
FX5-485-BD
FX5-485ADP
RDA
RDB
SDA
SDB
0.3 mm
SG
PLC
• When multiple (up to 16) inverters are connected (4-wire type)
Built-in RS-485 port
FX5-485-BD
FX5-485ADP
RDA
RDB
SDA
SDB
0.3 mm
SG
PLC
For branching, perform wiring as shown below: (4-wire type)
Built-in RS-485 port
FX5-485-BD
FX5-485ADP
RDA
SDA
RDB
SDB
SDA
RDA
SDB
RDB
SG
SG
PLC
Twisted pair cable
2
(0.3 mm
or more)
Set the termination resistor selector switch to "100 ".
2
or more
Terminal arrangement
S
S
R
R
S
D
D
D
D
G
A
B
A
B
FR-E7TR
Inverter
Set the termination resistor selector
switch to "110 ".
Twisted pair cable
(0.3 mm
2
or more
Class-D
grounding
S
S
S
S
R
R
R
R
S
S
D
D
D
D
D
D
D
D
G
G
B
A
B
A
B
A
B
A
FR-E7TR
Inverter
For the pin arrangement in the connector, refer to the
case of when one inverter is connected.
When connecting a 100  termination resistor, set the switch to "100 ".
Terminal block
Connect them
to the serial
port of the PLC.
Set the termination resistor
selector switch farthest from
the inverter to "100 ".
2
or more)
Class-D
grounding
S
S
S
S
R
R
R
R
S
S
S
S
S
S
D
D
D
D
D
D
D
D
D
D
D
G
G
G
B
A
B
A
B
A
B
A
B
A
B
FR-E7TR
FR-E7TR
Inverter
Inverter
For crossover wiring of a shielded cable using the SG terminal,
set the terminal 2/SG selector switch to the right (ON) to change
terminal 2 to SG. (With this setting, analog inputs to terminal 2
become invalid.)
SG
RDB
To next station inverter
RDA
SDB
SDA
S
R
R
R
R
S
D
D
D
D
D
G
A
B
A
B
A
4 INVERTER COMMUNICATION
4.5 Wiring
4
87

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