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

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
4.2

Selecting Cables and Terminal Resistors

Select cables using the procedure described below.
4.2.1 When using ch0 in FX
When using ch0 (standard port (RS-422)) in the FX
RS-232C
external
device
9-pin D-Sub
25-pin D-Sub
For the connection diagram of the cable prepared by the user,
4.2.2 Twisted pair cable
Use 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
F-28
, FX PLC
3G 3GC
Cable combination
Prepared by user
(15m (49'2") maximum)
Screw for securing connector
[M2.6 (metric screw thread)]
refer to Section 4.3.
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
, FX PLC, use the following cables.
3G 3GC
FX-422CAB0
(1.5m(4'11))
FX-232AW
FX-232AWC
FX-232AWC-H
Model name
2
2
Three-pair cable structural
drawing example
4.2 Selecting Cables and Terminal Resistors
Connector
shape
Standard built-in
port
(RS-422)
5
4
8
2
7
1 maximum
6
3
8-pin D-Sub,
female
Remarks
2
Two-pair cable of 0.2 mm
Three-pair cable of 0.2 mm
2
Two-pair cable of 0.5 mm
2
Two-pair cable of 0.2 mm
2
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
Cable
length
16.5m
( 54'1"),
2
2
2
2
2