MITSUBISHI ELECTRIC QJ71C24N - Manual (Page 39)

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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
C H.2 SDA
SG
SDB
(FG) R DA
(FG)
R DB
R S-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
C H.2
SDA
SG
SDB (FG)
R DA
(FG)
R DB
R S-422
/485
CH1.
CH2. CH1.
2 1
3
4
5
6
7
RS-232
USB
Q25HCPU
POWER
MELSEC
PULL
MITSUBISHI
QJ71C24