Mitsubishi MELSEC Q Series Handbook

2 SERIAL COMMUNICATION MODULE REPLACEMENT
2 - 9
2.2.2 Cable specifications comparison
(1) Comparison between A series and Q series
:Compatible, :Partial change required, ×:Incompatible
*1 The RS-232 and RS-422/485 recommended cables are listed in the Q series serial communication module manual.
*2 Use the exclusive products listed in the Q series serial communication module manual as the connector shell of the cable to
connect to the Q series serial communication module.
Item
Specifications
Compat-
ibility
Precautions for replacement
A series Q series
AJ71UC24
QJ71C24N
QJ71C24N-R2
QJ71C24N-R4
RS-232
Cable
Use a cable that is compliant with the RS-232 standard.
*1
Cable length Max.15m
Applicable
connector for
external wiring
(side of
connection cable
for connecting to
the module)
D-Sub 25P
(male, screw type)
D-Sub 9P
*2
(male, screw type)
The connector must be
changed.
RS-422/485
Cable
Cable length
Max.500m
(overall distance)
Max.1200m
(overall distance)
External wiring
(side of
connection cable
for connecting to
the module)
Connected to terminal block
For details on the connection
method, refer to the manual.
*1
Description
Shielded cable
3P
88.0 /km or less
10000 M -km or less
500 VDC for 1 minute
Average 60nF/km or less
110 10
Item
Cable type
Number of pairs
Conductor resistance (20 )
Insulation resistance
Dielectric withstand voltage
Electrostatic capacitance (1kHz)
Characteristic impedance
(100kHz)

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English