Mitsubishi MELSEC Q Series Handbook page 93
Transition from melsec-a/qna (large type), ans/qnas (small type) series to q series
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Also See for MELSEC Q Series:
- Programming manual (1296 pages) ,
- User manual (814 pages) ,
- Reference manual (532 pages)
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4
INTELLIGENT COMMUNICATION MODULE REPLACEMENT
4.2.2 Cable specifications comparison
(1) Replacement of intelligent communication modules AD51H-S3/A1SD51S
Item
Cable
Cable length
Applicable
RS-232
connector for
external wiring
(module side of
connection cable)
Cable
RS-422/485
Cable length
External wiring
(module side of
connection cable)
*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.
Specifications
AD51H-S3
A1SD51S
Use a cable that is compliant with the RS-232 standard.
Max. 15m
D-Sub 25P
D-Sub 9P
(male, screw type)
(male, screw type)
Item
Cable type
Number of pairs
Conductor resistance (20 )
Insulation resistance
Dielectric withstand voltage
Electrostatic capacitance (1kHz)
Characteristic impedance
(100kHz)
*1
Max. 500m
D-Sub 25P
(male, screw type)
: Compatible,
QD51
QD51-R24
*1
*2
*2
D-Sub 9P
(male, screw type)
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
Max. 1200m
Terminal block
: Partial change required, ×: Incompatible
Compat-
Precautions for replacement
ibility
Change the connector.
Change the connector.
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