Selecting Cables And Connection Devices - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
4.2

Selecting Cables and Connection Devices

When connecting equipment operating in accordance with RS-485, use the following connection method with
10BASE-T or shielded twisted pair cables.
PU connector
(RJ45 connector)
4.2.1 S500, E500, A500, F500, V500, D700 and E700 Series (PU connector)
1. In the case of 1-to-1 connection
When a distributor is not used
10BASE-T cable
Terminal resistor
Use a distributor because a terminal resistor cannot
be connected to the inverter.
2. In the case of 1-to-N connection
When a distributor is used
*1
10BASE-T cable
Terminal resistor
RS-485 connector
*1. When using FX
Non-stranded cable
(10BASE-T cable for LAN)
RS-485 connector
(PU connector)
10BASE-T
cable
Distributor
10BASE-T cable
connector
-485-BD-RJ, use the PU connector (RJ45 connector) for connection.
3G
Terminal resistor
(Which is supplied with or built in the communication
equipment for the FX PLC side, and should be arranged
by the user for the inverter side)
When a distributor is used
*1
10BASE-T cable
Terminal resistor
RS-485 connector
(PU connector)
10BASE-T
cable
Distributor
10BASE-T cable
PU
PU
connector
4 Wiring
4.2 Selecting Cables and Connection Devices
Terminal
resistor
Distributor
10BASE-T cable
Terminal
resistor
Distributor
10BASE-T cable
E-25
A
B
C
D
E
F
G
H
I
Apx.A