Mitsubishi MELSEC Q Series Handbook

4 INTELLIGENT COMMUNICATION MODULE REPLACEMENT
4 - 5
4.2.2 Cable specifications comparison
(1) Replacement of intelligent communication modules AD51H-S3/A1SD51S
: Compatible, : Partial change required, ×: Incompatible
*1 Recommended RS-232 and RS-422/485 cables are listed in the Q series intelligent communication module manual.
*2 Use an exclusive connector shell listed in the Q series intelligent communication module manual for the cable to be
connected to a Q series intelligent communication module.
Item
Specifications
Compat-
ibility
Precautions for replacement
AD51H-S3 A1SD51S
QD51
QD51-R24
RS-232
Cable
Use a cable that is compliant with the RS-232 standard.
*1
Cable length Max. 15m
Applicable
connector for
external wiring
(module side of
connection cable)
D-Sub 25P
(male, screw type)
D-Sub 9P
*2
(male, screw type)
D-Sub 9P
*2
(male, screw type)
Change the connector.
RS-422/485
Cable
Cable length Max. 500m Max. 1200m
External wiring
(module side of
connection cable)
D-Sub 25P
(male, screw type)
Terminal block Change the connector.
*1
Description
Shielded cable
3
88.0 /km or less
10000 M -km or more
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