Mitsubishi QJ71C24N - Page 115

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MELSEC-Q
4 SETTINGS AND PROCEDURES PRIOR TO OPERATION
(b) External device and Q series C24 with 1:n (multidrop) system configuration
1) Connection example 1
2) Connection example 2
Terminal
resistor
R
R
R
SDA
SDB
RDA
RDB
SG
FG
SDA
SDB
RDA
RDB
SG
FG
External device C24 1) C24 2) C24n
RS-422/485
cable
RS-422/485
cable
SDA
SDB
RDA
RDB
SG
FG
R
R
SDA
SDB
RDA
RDB
SG
FG
RS-422/485
cable
(c) External device and Q series C24 with n:1 (multidrop) system configuration
Terminal
resistor
R
SDA
SDB
RDA
RDB
SG
FG
External device 1)
C24 1)
RS-422/485
cable
RS-422/485
cable
SDA
SDB
RDA
RDB
SG
FG
R
SDA
SDB
RDA
RDB
SG
FG
SDA
SDB
RDA
RDB
SG
FG
RS-422/485
cable
External device 2) External device n
R