Mitsubishi Electric FX3U-232-BD - Selecting Cables and Terminal Resistors

B-19
FX Series PLC User's Manual - Data Communication Edition
N:N Network
4 Wiring
4.2 Selecting Cables and Terminal Resistors
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter Communication
F
Non-Protocol Communication (RS/RS2 Instruction)
G
Non-Protocol Communication (FX
2N
-232IF)
H
Programming Communication
I
Remote Maintenance
Apx.A
Discontinued models
4.2 Selecting Cables and Terminal Resistors
Select cables using the procedure described below.
4.2.1 Twisted pair cable
Use shielded twisted pair cables for connecting communication equipment operating in accordance with RS-
485.
The table below shows recommended model names and manufacturers of cables used for wiring.
1. Recommended cables
2. Cable structural drawing (reference)
4.2.2 10BASE-T cable
10BASE-T cables used in LAN wiring for a personal computer can be connected to FX3G-485-BD-RJ.
1. Selection procedure when purchasing
1) Cable type : 10BASE-T cable (Category 3 or higher)
2) Connection specifications : Straight type
3) Connector : RJ45 connector (Connector with metal frame is used)
2. Cautions on using commercial cables
Pay attention to the following point when purchasing commercial cables.
• Use shielded cables. Make sure to connect the shield to the metal frame of the connector, and perform
class D grounding.
Manufacturer Model name Remarks
Mitsubishi Cable Industries, Ltd.
SPEV(SB)-0.2-2P
Two-pair cable of 0.2 mm
2
SPEV(SB)-MPC-0.2  3P
Three-pair cable of 0.2 mm
2
SPEV(SB)-0.5-2P
Two-pair cable of 0.5 mm
2
Showa Holdings Co., Ltd.
KMPEV-SB CWS-178 0.2SQ  2P
Two-pair cable of 0.2 mm
2
KMPEV-SB CWS-178 0.5SQ  2P
Two-pair cable of 0.5 mm
2
Sumitomo Electric Industries, Ltd.
DPEV SB 0.3  3P
Three-pair cable of 0.3 mm
2
DPEV SB 0.5  3P
Three-pair cable of 0.5 mm
2
The Furukawa Electric Co., Ltd.
D-KPEV-SB 0.2  3P
Three-pair cable of 0.2 mm
2
D-KPEV-SB 0.5  3P
Three-pair cable of 0.5 mm
2
Fujikura Ltd.
IPEV-SB 2P  0.3 mm
2
Two-pair cable of 0.3 mm
2
IPEV-SB 2P  0.5 mm
2
Two-pair cable of 0.5 mm
2
Two-pair cable structural
drawing example
Pair
Shield
Three-pair cable structural
drawing example