Mitsubishi QJ71C24N User Manual page 116

4 SETTINGS AND PROCEDURES PRIOR TO OPERATION
External device 1)
SD
RD
External device 1)
SDA
SDB
RDA
R
RDB
SG
FG
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(d) External device and Q series C24 with m:n (multidrop) system configuration
1) Connection example 1
External device 2)
RS-232
C24 1)
SD
RD
SDA
SDB
RDA
R
RDB
SG
FG
Linked
operation
2) Connection example 2
C24 1)
SDA
SDB
RDA
RDB
SG
FG
RS-422/485
cable
RS-232
SD
RD
C24 2)
SD
RD
SDA
SDB
RDA
RDB
SG
FG
RS-422/485
cable
Linked
operation
External device 2)
SDA
SDB
RDA
RDB
SG
FG
RS-422/485
cable
C24n
SDA
SDB
RDA
R
RDB
SG
FG
RS-422/485
cable
Terminal
R
resistor
C24n
SDA
SDB
RDA
R
RDB
SG
FG
RS-422/485
cable
Terminal
R
resistor
MELSEC-Q
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