Selecting Cables And Terminal Resistors - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
N:N Network
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
Manufacturer
Mitsubishi Cable Industries, Ltd.
Showa Holdings Co., Ltd.
Sumitomo Electric Industries, Ltd.
The Furukawa Electric Co., Ltd.
Fujikura Ltd.
2. Cable structural drawing (reference)
Two-pair cable structural
drawing example
4.2.2 10BASE-T cable
10BASE-T cables used in LAN wiring for a personal computer can be connected to FX
1. Selection procedure when purchasing
1) Cable type
2) Connection specifications : Straight type
3) Connector
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.
Model name
SPEV(SB)-0.2-2P
SPEV(SB)-MPC-0.2  3P
SPEV(SB)-0.5-2P
KMPEV-SB CWS-178 0.2SQ  2P
KMPEV-SB CWS-178 0.5SQ  2P
DPEV SB 0.3  3P
DPEV SB 0.5  3P
D-KPEV-SB 0.2  3P
D-KPEV-SB 0.5  3P
IPEV-SB 2P  0.3 mm
IPEV-SB 2P  0.5 mm
Pair
Shield
Three-pair cable structural
drawing example
: 10BASE-T cable (Category 3 or higher)
: RJ45 connector (Connector with metal frame is used)
4.2 Selecting Cables and Terminal Resistors
Two-pair cable of 0.2 mm
Three-pair cable of 0.2 mm
Two-pair cable of 0.5 mm
Two-pair cable of 0.2 mm
Two-pair cable of 0.5 mm
Three-pair cable of 0.3 mm
Three-pair cable of 0.5 mm
Three-pair cable of 0.2 mm
Three-pair cable of 0.5 mm
2
Two-pair cable of 0.3 mm
2
Two-pair cable of 0.5 mm
4 Wiring
Remarks
2
2
2
2
2
2
2
2
2
2
2
-485-BD-RJ.
3G
Apx.A
B-19
A
B
C
D
E
F
G
H
I