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MELSEC-Q
2 SYSTEM CONFIGURATION AND AVAILABLE FUNCTIONS
2.2 Combinations of PLC CPU and External Device, and Available Functions
The following describes the system configurations and available functions when using
the Q series C24.
(1) System configurations
System configurations (combinations of PLC CPU and external device) for data
communication are shown below.
(a) External device and Q series C24 with 1:1 system configuration
RS-232/422
QJ71E71
RUN
INIT.
OPEN
SD
ERR.
COM.ERR
RD
10BASE-T
+12V
12G
10BASE
RS-232
MODE
RUN
ERR.
USER
BAT.
BOOT
CH.2
SDA
SG
SDB
(FG)
RDA
(FG)
RDB
RS-422
/485
CH1.
CH2.CH1.
2
1
3
4
5
6
7
RS-232
USB
Q25HCPU
POWER
MELSEC
PULL
MITSUBISHI
QJ71C24
(b) External device and Q series C24 with n:1 system configuration
RS-485
QJ71E71
RUN
INIT.
OPEN
SD
ERR.
COM.ERR
RD
10BASE-T
+12V
12G
10BASE
RS-232
MODE
RUN
ERR.
USER
BAT.
BOOT
CH.2
SDA
SG
SDB
(FG)
RDA
(FG)
RDB
RS-422
/485
CH1.
CH2.CH1.
2
1
3
4
5
6
7
RS-232
USB
Q25HCPU
POWER
MELSEC
PULL
MITSUBISHI
QJ71C24