Mitsubishi MELSEC Q Series Handbook page 30

2
SERIAL COMMUNICATION MODULE REPLACEMENT
(4) Comparison between QnAS series and Q series
Item
Cable
Cable length
Applicable
connector for
RS-232
external wiring
(side of
connection cable
for connecting to
the module)
Cable
RS-422/485
Cable length
External wiring
(side of
connection cable
for connecting to
the module)
*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.
2
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Specifications
QnAS series
A1SJ71QC24N1
A1SJ71QC24N1-R2
Use a cable that is compliant with the RS-232 standard.
Max.15m
D-Sub 9P
(male, screw type)
Item
Cable type
Number of pairs
Conductor resistance (20 )
Insulation resistance 10000 M -km or less
Dielectric withstand voltage 500 VDC for 1 minute
Electrostatic capacitance (1kHz) Average 60nF/km or less
Characteristic impedance
(100kHz)
*1
Max.1200m (overall distance)
Connected to terminal block
:Compatible, :Partial change required, ×:Incompatible
Q series
Compat-
QJ71C24N
ibility
QJ71C24N-R2
QJ71C24N-R4
*1
*2
D-Sub 9P
(male, screw type)
Description
Shielded cable
3P
88.0 /km or less
110 10
Precautions for replacement
For details on the connection
method, refer to the manual.